Revision of the genus Eodendrus Belokobylskij (Hymenoptera: Braconidae, Doryctinae)

A revision of the genus Eodendrus Belokobylskij, stat. nov. (type species Dendrosotinus eous Belokobylskij) is provided. Six new species are described and figured: E. africanus Belokobylskij, sp. nov. (S. Africa), E. convergens Belokobylskij, sp. nov. (Brunei), E. elongatus Belokobylskij and Long, sp. nov. (Vietnam), E. flavus Belokobylskij and Long, sp. nov. (Vietnam), E. hoabinicus Belokobylskij and Long, sp. nov. (Vietnam, Brunei), and E. petiolatus Belokobylskij and Chen, sp. nov. (China). Redescriptions of E. eous (Belokobylskij), comb. nov. (Russian Far East, Korea, Japan) and E. conspicuus (Granger), comb. nov. (Madagascar) are given. The lectotype of Doryctes conspicuus Granger is designated. A key to all species of the genus Eodendrus is presented. The composition of the subtribe Caenophanina (Doryctini) is discussed.


Introduction
The subgenus Eodendrus Belokobylskij was erected in Dendrosotinus Telenga for the Eastern Palaearctic species D. eous Belokobylskij, 1988 (Belokobylskij 1998) on the basis of its lateral and posteriorly convergent furrows on the second tergite, and elongate acrosternite of the first metasomal segment. Study of the tropical and subtropical fauna of the Old World showed that these diagnostic characters are stable, phylogenetically significant and shared by several other species besides the type species. It is reasonable to raise this subgenus to generic status.
Aside from the Eastern Palaearctic species, E. eous, five new species of this genus are described from the Oriental Region (South China, Vietnam, Brunei) and two from the Afrotropical Region (S. Africa and Madagascar) of which one is already described and one median keel. Eyes glabrous or sparsely and very shortly setose. Occipital carina strong, not interrupted dorsally, usually obliterated ventrally for a short distance before reaching hypostomal carina. Malar suture absent. Clypeal suture complete. Hypoclypeal depression rather small and round. Postgenal bridge wide. Maxillary palpi six-segmented, labial palpi four-segmented; third segment of labial palpi not shortened. Scapus wide and rather short, without apical lobe. First flagellar segment weakly curved outside, usually not longer than second segment.
Mesosoma not depressed. Anterior pronotal lobe distinct and curved upwards. Pronotal keel absent or finely developed submedially. Propleural lobe distinct and wide. Mesonotum rather highly and usually almost perpendicularly raised above pronotum. Median lobe of mesonotum without anterolateral corners, distinctly protruding forward. Notauli rather wide, deep in anterior half, shallow or almost absent in posterior half. Prescutellar depression rather long and sculptured. Scuto-scutellar suture distinct. Scutellum weakly convex, with more or less distinct lateral carinae. Metanotum often with a short and usually pointed median tooth. Subalar depression shallow and wide. Mesopleural pit rather shallow and elongate. Sternauli rather deep, long, almost straight, running along entire length of lower part of mesopleura. Prepectal carina distinct and complete. Postpectal carina absent. Metapleural flange rather short and usually narrow. Propodeum without marginate areas; lateral tubercles and propodeal bridge absent.
Wings. Pterostigma of fore wing wide. Radial vein arising from or slightly behind middle of pterostigma. Radial cell not shortened. Both radiomedial veins present. Recurrent vein postfurcal. Nervulus distinctly postfurcal. Discoidal cell petiolate. Parallel vein interstitial. Brachial cell closed. Transverse anal veins absent. Hind wing with three hamuli. Nervellus present. Submedial cell short. First abscissa of mediocubital vein 0.5-0.76 second abscissa. Recurrent vein present, strongly oblique toward base of wing. Medial cell rather wide. Radial vein arising from costal vein. Radial cell weakly narrowed toward apex, without additional transverse vein. Hind wing of male without stigma-like enlargement.
Legs. Fore and middle tibiae with sparse thick spines arranged in single row. Hind coxa rather large, usually without basoventral tooth. All femora without distinct dorsal protuberances. Hind femur distinctly thickened, elongate-oval. Hind tibia thickened, with five to seven spines on outer distal margin. Hind tibial spurs short.
Metasoma. First tergite subpetiolate or petiolate, more or less wide or rather narrow. Acrosternite (coarsely sclerotized and separated anterior part of sternite) in female (0.35) 0.4-0.66 and in male 0.25-0.36 as long as first tergite, its apical margin situated distinctly behind (female) or at level (male) of spiracles. Dorsope of first tergite distinct; basolateral lobes absent. Spiracular tubercles usually long and directed partly downwards, situated near basal 0.25-0.3 of tergite. Dorsal carinae present in basal 0.25-0.3. Second suture distinct, sometimes almost effaced medially, usually weakly laterally curved. Second tergite with more or less distinct, almost straight or curved, more or less strongly posteriorly convergent longitudinal furrows. Second and third tergites with separate laterotergites. Ovipositor usually a little shorter than body. Apex of ovipositor with two small dorsal nodes and finely serrate ventrally.

Diagnosis
This genus is similar to Dendrosotinus Telenga (distributed in the Palaearctic, Oriental and Afrotropical Regions) but differs in having the acrosternite of the first tergite of the female distinctly elongate and the second metasomal tergite with lateral and posteriorly convergent longitudinal furrows.

Description
Female. Body length 7.0 mm; fore wing length 4.6 mm. Head width 1.46 its median length. Head behind eyes (dorsal view) convex in anterior half, strongly and almost linearly narrowed in posterior half; transverse diameter of eye 1.66 as long as temple ( Figure 2). Ocelli medium-sized, in triangle with base 1.356 its sides. POL 1.66 Od, 0.56 OOL. Eye sparsely and shortly setose, 1.256 as high as broad. Malar space height 0.56 height of eye, equal to basal width of mandible ( Figure 3). Face width 1.16 height of eye and 1.26 height of face and clypeus combined. Clypeus with distinct lower flange. Clypeal suture complete. Hypoclypeal depression small and round, its width about 0.56 distance from edge of depression to eye, 0.36 width of face ( Figure 1). Hypostomal flange narrow. Antennae (Figure 4) slender, filiform, more than 40-segmented (apical segments missing). Scapus about 1.56 as long as its maximum width. First flagellar segment weakly curved outside, not flattened, 4.26 as long as its apical width, 0.756 as long as second segment. Subapical segments about 36 as long as their width.
Wings. Fore wing ( Figure 5) 3.76 as long as its maximum width. Radial vein arising shortly after middle of pterostigma. Metacarpus 1.16 as long as pterostigma. Second radial abscissa almost 4.06 first abscissa, 0.76 the straight third abscissa, 1.56 first radiomedial vein. Second radiomedial cell 36 as long as its maximum width, 1.56 as long as brachial cell. First abscissa of medial vein weakly S-shaped. Recurrent vein 36 second abscissa of medial vein. Distance from nervulus to basal vein 1.26 nervulus length. Brachial cell widened medially, closed apically almost on level of recurrent vein. Hind wing (Figure 6) 4.66 as long as wide. First abscissa of costal vein 0.76 second abscissa. First abscissa of mediocubital vein 0.656 second abscissa. Recurrent vein long, curved toward base of wing, sclerotized for most part, interstitial.
Legs. Hind coxa with very small but distinct basoventral tooth (Figure 7), its length 1.76 maximum width. Hind femur almost 36 as long as wide ( Figure 9). Hind tibia with seven short and thick spines on apical outside margin ( Figure 8). Hind tarsus almost as long as hind tibia. Basitarsus thickened, 0.56 as long as second to fifth segments combined. Second tarsal segment 0.66 as long as basitarsus, 1.16 as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 11) 1.36 as long as head and mesosoma combined. First tergite high (lateral view) (Figure 10), distinctly and linearly widened from base to apex (dorsal view) ( Figure 11), with distinct wide spiracular tubercles in basal 0.3 that are directed somewhat downwards. Acrosternite of first tergite about 0.66 as long as tergite. Maximum width of first tergite almost twice its minimum width; length 1.66 its apical width. Second tergite with rather deep, wide, weakly curved and rather weakly posteriorly convergent lateral longitudinal furrows; basal width of median area 1.46 its apical width; length of tergite 1.26 its basal width, 1.76 length of third tergite. Second suture complete, very deep laterally, shallow medially. Ovipositor sheath 0.756 as long as body, 1.46 as long as metasoma, 1.156 as long as fore wing.
Colour. Head light reddish brown to brown, yellow around eyes in wide area. Mesosoma dark reddish brown, light reddish brown to yellowish brown for most part dorsally. Metasoma light reddish brown, second tergite laterally yellow in wide areas, but almost black marginally; third to sixth tergites laterally yellow in wide areas. Antenna yellow basally, brownish yellow to dark brown toward apex. Palpi pale yellow. Tegulae yellow. Legs yellow to brownish yellow; hind femur brown medially; middle and hind tibiae pale yellow basally; fifth tarsal segments brown. Ovipositor sheath brownish yellow, black apically at short distance. Fore wings entirely faintly yellowish infuscate. Pterostigma yellow in basal half, brown in apical half.

Discussion
This new species is similar to E. hoabinicus sp. nov. but differs in the relatively short first flagellar segment (Figure 4 cf. Figure  distinct and complete. Hypoclypeal depression round, its width 0.76 distance from edge of depression to eye ( Figure 12). Antennae ( Figure 14) slender, filiform, 39-segmented. First flagellar segment weakly curved outside, not flattened, 5.3-6.06 as long as its apical width, almost equal to second segment. Penultimate segment about 4.06 as long as wide, slightly shorter than apical segment; the latter without apical spine.
Mesosoma. Length 2.0-2.26 its height. Mesoscutum highly and almost perpendicularly raised above pronotum. Notauli complete, deep in anterior half and shallow in posterior half, distinctly crenulate. Prescutellar depression rather shallow, with five to seven distinct carinae, almost smooth, 0.2-0.256 as long as weakly convex scutellum. Sternauli deep, straight, finely granulate, running along almost entire length of lower part of mesopleura.
Wings. Fore wing ( Figure 115 Legs. Hind coxa without basoventral tooth ( Figure 17), its length 1.86 maximum width. Hind femur 3.0-3.26 as long as wide ( Figure 18). Hind tarsus almost as long as hind tibia. Basitarsus 0.66 as long as second to fifth segments combined. Second tarsal segment 0.7-0.86 as long as basitarsus, 1.66 as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 20) 1.1-1.26 as long as head and mesosoma combined. First tergite distinctly and linearly widened from base to apex, with small spiracular tubercles. Acrosternite of first tergite about 0.46 as long as tergite ( Figure 19). Maximum width of first tergite 1.8-2.06 its minimum width; length about 1.56 its apical width. Second tergite with rather distinct, straight, weakly posteriorly convergent lateral longitudinal light furrows; length of tergite 0.8-0.96 its basal width, 1.1-1.26 length of third tergite. Second suture shallow and complete, with very weak lateral bends. Ovipositor sheath almost as long as mesosoma and metasoma combined.
Sculpture. Vertex and temple with very thin and dense striation, with granulation between striae. Frons transversely and partly obliquely striate. Face distinctly and densely transversely striate. Mesoscutum densely granulate, with undulate striae in medioposterior part. Scutellum densely granulate. Mesopleura rather finely granulate for most part, very finely granulate below. Propodeum rather finely and irregularly rugulose, finely and small reticulate in basolateral parts, without marginate areas and carinae. Hind legs very weakly granulate. First tergite densely punctulate with rugulosity. Second tergite entirely and third in basal 0.3-0.7 striate-rugose, third tergite laterally rugulose-granulate. Remaining tergites smooth.
Male. Body length 4.0 mm. First metasomal tergite 1.76 as long as apical width. Propodeum with rather distinct carina in basal 0.3. Otherwise similar to female.

Discussion
This new species is similar to E. eous (Belokobylskij) Figure 24) slender, filiform, 29-segmented, 1.26 as long as body. Scapus 1.36 as long as its maximum width. First flagellar segment weakly curved outside, not flattened, 5.56 as long as its apical width, 0.96 as long as second segment. Penultimate segment 4.36 as long as its width, 0.76 as long as first flagellar segment, almost equal to apical segment; the latter pointed apically.
Mesosoma. Length 2.26 its height. Mesoscutum rather highly and perpendicularly raised above pronotum. Pronotal keel rather distinct. Notauli deep in anterior half, shallow in posterior half, crenulate-granulate. Prescutellar depression rather shallow, with three carinae, coriaceous, 0.36 as long as weakly convex scutellum. Subalar depression shallow, wide, striate-rugulose. Sternauli rather shallow, but deep medially, weakly curved, narrow, coriaceous, connected with prepectal carina anteriorly, running along almost entire length of lower part of mesopleura. Metapleural flange rather long, wide, rounded apically. Wings. Fore wing (Figure 25) 4.56 as long as its maximum width. Radial vein arising weakly a little middle of pterostigma. Metacarpus 1.26 as long as pterostigma. Second radial abscissa 2.86 first abscissa, 0.56 the straight third abscissa, 1.36 first radiomedial vein. Second radiomedial cell almost 3.06 as long as its maximum width, 1.56 as long as brachial cell. First abscissa of medial vein almost straight. Recurrent vein 3.06 second abscissa of medial vein. Distance from nervulus to basal vein almost equal to nervulus length. Brachial cell closed apically distinctly before recurrent vein. Hind wing (Figure 26) 6.06 as long as wide. First abscissa of costal vein 0.56 second abscissa. First abscissa of mediocubital vein 0.46 second abscissa. Recurrent vein rather long, curved toward base of wing, unsclerotized, distinctly antefurcal.
Legs. Hind coxa without basoventral tooth, its length 1.76 maximum width ( Figure 28). Hind femur almost 3.06 as long as wide ( Figure 29). Hind tibia with four short and thick spines on apical outside margin (Figure 27). Hind tarsus almost as long as hind tibia. Basitarsus thickened, 0.56 as long as second to fifth segments combined. Second tarsal segment 0.656 as long as basitarsus, 1.3-1.56 as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 31) 1.56 as long as head and mesosoma combined. First tergite distinctly and almost linearly widened from base to apex ( Figure 31), with long and rather thick spiracular tubercles in basal 0.3 that are directed somewhat downwards. Acrosternite of first tergite about 0.56 as long as tergite. Maximum width of first tergite about 26 its minimum width; length 1.86 its apical width. Second tergite with rather deep, straight, distinctly carinate, strongly posteriorly convergent lateral longitudinal light furrows; basal width of median area 36 its apical width; length of tergite 1.36 its basal width, 1.36 length of third tergite. Second suture very shallow medially and deep laterally, with weak lateral bends. Ovipositor sheath 0.86 as long as body, 1.46 as long as metasoma, 1.26 as long as fore wing.

Discussion
This new species is similar to E. hoabinicus sp. nov. but differs in the lateral furrows of second tergite being distinctly carinate and strongly posteriorly convergent (Figure 31 cf. Figure 76), the relatively greater postocellar distance (Figure 22 cf. Figure 67), the relatively narrow fore wing (Figure 25 cf. Figure 70), the long dorsal hairs of the hind tibia ( Figure 27 cf. Figure 74), and the finely sculptured scutellum.   Figure 35) weakly thickened, filiform, 37-39-segmented, 1.36 as long as body. Scapus 1.36 as long as its maximum width. First flagellar segment weakly curved outside, weakly flattened, 3.8-4.06 as long as its apical width, equal to or slightly shorter than second segment. First and second flagellar segments dorsally flat and almost glabrous. Penultimate segment 4.0-4.56 as long as its width, 0.6-0.656 as long as first segment, 0.8-1.06 as long as apical segment; the latter pointed apically.
Legs. Hind coxa without basoventral tooth, its length almost twice maximum width ( Figure 37). Hind femur 3.2-3.46 as long as wide (Figure 38). Hind tibia with six short and thick spines on apical outside margin ( Figure 39). Hind tarsus almost as long as hind tibia. Basitarsus weakly thickened, 0.66 as long as second to fifth segments combined. Second tarsal segment 0.5-0.556 as long as basitarsus, almost as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 43) 1.16 as long as head and mesosoma combined. First tergite not high (lateral view) (Figure 42), distinctly and linearly widened from base to apex ( Figure 43), with distinct and not long spiracular tubercles in basal 0.3 that are not directed downwards. Acrosternite of first tergite 0.25-0.36 as long as tergite. Maximum width of first tergite 1.7-1.856 its minimum width; length 2.16 its apical width. Second tergite with shallow, rather wide, weakly curved and weakly posteriorly convergent longitudinal lateral furrows; basal width of area 2.2-2.56 its apical width; length of tergite 1.36 its basal width, 1.4-1.66 length of third tergite. Second suture complete, rather deep (especially laterally), regularly curved or almost straight medially, without lateral bends.
Legs. Hind coxa without basoventral tubercle, its length 1.8 times maximum width ( Figure 50). Hind femur 3.0-3.36 as long as wide ( Figure 52). Hind tibia with six thick spines on apical outside margin ( Figure 53). Hind tarsus almost as long as hind tibia. Basitarsus thickened, 0.55-0.66 as long as second to fifth segments combined. Second tarsal segment about 0.66 as long as basitarsus, 1.3-1.46 as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 54) almost as long as head and mesosoma combined. First tergite distinctly and almost linearly widened from base to apex, with small spiracular tubercles in basal 0.3. Acrosternite of first tergite 0.35-0.46 as long as tergite. Maximum width of first tergite about twice its minimum width; length 1.4-1.66 its apical width. Second tergite with more or less distinct, shallow, weakly curved and weakly posteriorly convergent lateral longitudinal light furrows. Length of second tergite 1.1-1.156 its basal width, 1.25-1.56 length of third tergite; basal width of area on second tergite about 1.36 its apical width. Second suture shallow and almost straight, with very weak or without lateral bends. Ovipositor sheath 0.85-0.956 as long as body, 1.7-1.856 as long as metasoma, 1.1-1.26 as long as fore wing.
Hind tibia with short, rather dense and semi-erect hairs dorsally, length of these hairs 0.5-0.86 maximum width of tibia.
Colour. Body dark reddish brown, head ventrally and around eye (sometimes widely) yellowish brown or light reddish brown, often mesoscutum laterally and anteriorly, pronotum mediolaterally or ventrally and mesopleura below half light reddish brown or reddish brown. Antennae dark brown or black, three or four basal segments light reddish brown. Palpi yellow. Legs light brown, hind coxa, femur and usually tibia darker, all tibiae widely infuscate, pale yellow or light brown basally. Ovipositor sheath dark reddish brown, black apically or entirely black. Fore wings faintly infuscate. Pterostigma brown, pale in basal 0.3 and apically.

Description
Female. Body length 2.4 mm; fore wing length 1.8 mm.
Head width 1.36 its median length. Head behind eye (dorsal view) regularly roundly narrowed; transverse diameter of eye 1.46 as long as temple ( Figure 56). Ocelli small, in triangle with base 1.56 its sides. POL 26 Od, 0.76 OOL. Eye glabrous, 1.156 as high as broad. Malar space height 0.46 height of eye, 0.756 basal width of mandible ( Figure 57). Face width almost equal to height of eye and 1.256 height of face and clypeus combined. Clypeus with narrow lower flange. Clypeal suture distinct and complete. Hypoclypeal depression round, its width 0.86 distance from edge of depression to eye, 0.46 width of face ( Figure 55). Hypostomal flange very narrow. Antennae (Figure 58) slender, filiform, more than 22-segmented (apical segments missing). Scapus 1.256 as long as its maximum width. First flagellar segment weakly curved outside, not flattened, about 5.06 as long as its apical width, 0.856 as long as second segment. Subapical segments about 4.56 as long as their width.
Wings. Fore wing (Figure 59) 3.76 as long as its maximum width. Radial vein arising from middle of pterostigma. Metacarpus 1.16 as long as pterostigma. Second radial abscissa 2.86 first abscissa, 0.556 the straight third abscissa, 1.46 first radiomedial vein. Second radiomedial cell 3.46 as long as its maximum width, 1.36 as long as brachial cell. First abscissa of medial vein straight. Recurrent vein 3.06 second abscissa of medial vein. Distance from nervulus to basal vein 1.36 nervulus length. Brachial cell closed apically distinctly before recurrent vein. Hind wing (Figure 60) 5.36 as long as wide. First abscissa of costal vein 0.66 second abscissa. First abscissa of mediocubital vein 0.46 second abscissa. Recurrent vein short, curved toward base of wing, unsclerotized, distinctly antefurcal.
Legs. Hind coxa without basoventral tooth, its length almost twice maximum width ( Figure 61). Hind femur 3.06 as long as wide (Figure 62). Hind tibia with four short spines on apical outside margin ( Figure 63). Hind tarsus 0.96 as long as hind tibia. Basitarsus 0.66 as long as second to fifth segments combined. Second tarsal segment about 0.66 as long as basitarsus, 1.16 as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 65) 1.256 as long as head and mesosoma combined. First tergite distinctly and linearly widened from base to apex, with long spiracular tubercles in basal 0.3 that are directed somewhat downwards. Acrosternite of first tergite about 0.456 as long as tergite. Maximum width of first tergite almost twice its minimum width; length 1.76 its apical width. Second tergite with rather distinct, straight, posteriorly convergent lateral longitudinal light furrows; basal width of median area about twice its apical width; length of tergite 1.26 its basal width, 1.26 length of third tergite. Second suture distinct laterally, almost absent medially, with very weak lateral bends. Ovipositor sheath 0.856 as long as body, 1.56 as long as metasoma, 1.16 as long as fore wing.
This new species is similar to E. hoabinicus sp. nov. but differs in the relatively long temple (Figure 56 cf. Figure 67), the relatively short and wide scapus (Figure 58 cf. Figure 69), the long first radiomedial cell (Figure 59 cf. Figure 70), the long fifth tarsal segment, the medially indistinct second metasomal suture (Figure 65 cf. Figure 76), the medially almost smooth vertex, and the almost entirely smooth third tergite (Figure 65 cf. Figure 76).
Metasoma. Metasoma (Figure 76) almost as long as head and mesosoma combined. First tergite distinctly and linearly widened from base to apex, with long spiracular tubercles in basal 0.25 that are directed somewhat downwards. Acrosternite of first tergite about 0.56 as long as tergite. Maximum width of first tergite 2.36 its minimum width; length 1.6-1.76 its apical width. Second tergite with rather distinct, shallow, almost straight, posteriorly convergent, lateral longitudinal light furrows; basal width of median area 1.8-2.26 its apical width; length of tergite 1.0-1.26 its basal width, 1.3-1.56 length of third tergite. Second suture shallow, but distinct, with very weak lateral bends. Ovipositor sheath 0.7-0.96 as long as body, 1.3-1.86 as long as metasoma, 0.9-1.16 as long as fore wing.
Sculpture and pubescence. Vertex and frons distinctly and densely granulate with fine transverse striation in part. Face distinctly transversely striate with dense granulation between striae. Temple distinctly and obliquely striate-coriaceous, almost smooth in lower 0.25. Mesoscutum densely rugulose-granulate, rather widely rugose-reticulate in medioposterior 0.7. Scutellum distinctly and densely granulate. Mesopleura rugulosegranulate in upper 0.3, granulate or granulate-coriaceous in median 0.3, almost smooth below sternauli. Metapleura entirely and coarsely rugulose-reticulate. Propodeum densely rugulosereticulate, rather sparsely and distinctly punctulate in long lateral areas, sometimes with fine median carina in basal 0.3, without marginate areas. Hind coxae distinctly and sparsely striate with dense granulation in dorsal half and coriaceous laterally. Hind femur distinctly and densely granulate, finely granulate below. Hind tibia densely granulate, coriaceous in lower half. First and second tergites densely striate, with dense reticulation between striae. Third tergite striate in mediobasal 0.25, densely granulate basolaterally, coriaceous for most part, smooth medioapically. Remaining tergites smooth. Mesoscutum entirely with dense short semi-erect hairs. Hind tibia with rather short, rather dense and semi-erect hairs dorsally, length of these hairs 0.5-0.86 maximum width of hind tibia.
Colour. Head brownish yellow. Mesosoma light reddish brown, prescutellar depression, axillae, metanotum, below part of metapleura and propodeum medially and posteriorly or entirely distinctly infuscate to black. Metasoma dark reddish brown, second and third tergites in furrows and suture and around its light reddish brown, second tergite with rather large yellow or brownish yellow lateroapical spots; apex of metasoma brownish yellow. Sometimes body almost entirely light reddish brown. Antenna dark reddish brown, almost black apically, two basal segments yellow. Palpi yellow. Tegulae yellowish brown. Legs brownish yellow; hind leg light reddish brown, trochanter and basal 0.2 of tibia pale yellow; rarely legs entirely yellow. Ovipositor sheath black, dark brown basally. Fore wings faintly infuscate. Pterostigma brown, pale yellow in basal 0.4 and apically.

Discussion
This new species is similar to E. petiolatus sp. nov. but differs in the relatively short temple (Figure 67 cf. Figure 78), the thick hind femur (Figure 73 cf. Figure 84), the wide and short first metasomal tergite (Figure 76 cf. Figure 87), and the short second tergite (Figure 76 cf. Figure 87). E. hoabinicus sp. nov. is similar also to E. eous (Belokobylskij) but differs in the long acrosternite of the first tergite, the large spiracular tubercle of the first tergite ( Figure 76 cf. Figure 54), the relatively short temple (Figure 67 cf. Figure 45), the first flagellar segment being distinctly shorter than the second segment ( Figure 76 cf. Figure 87), and the distinctly convergent posteriorly furrows of the second tergite ( Figure 76 cf. Figure 54).

Description
Female. Body length 4.2 mm; fore wing length 2.8 mm.
Head width 1.46 its median length. Head behind eye (dorsal view) weakly convex in anterior half, almost linearly narrowed in posterior half; transverse diameter of eye 1.56 as long as temple ( Figure 78). Ocelli small, in triangle with base 1.56 its sides. POL 1.76 Od, 0.76 OOL. Eye sparsely and shortly setose, 1.156 as high as broad. Malar space height 0.46 height of eye, 0.86 basal width of mandible ( Figure 79). Face width almost equal to height of eye and 1.26 height of face and clypeus combined. Clypeus with narrow lower flange. Clypeal suture distinct and complete. Hypoclypeal depression round, its width 0.66 distance from edge of depression to eye, 0.356 width of face ( Figure 77). Hypostomal flange indistinct. Antennae (Figure 80) slender, filiform, more than 23-segmented (apical segments missing). Scapus 1.36 as long as its maximum width. First flagellar segment weakly curved outside, not flattened, about 5.06 as long as its apical width, slightly shorter than second segment. Subapical segments 3.8-4.06 as long as their width.
Mesosoma. Length about 26 its height. Mesoscutum highly and almost perpendicularly raised above pronotum. Pronotal keel fine. Notauli deep in anterior half, shallow to almost indistinct in posterior half, crenulate. Prescutellar depression shallow, wide, with distinct median carina, striate with granulation, 0.36 as long as weakly convex scutellum. Subalar depression shallow, wide, rugose-areolate. Sternauli rather shallow, almost straight, narrow, very finely coriaceous, connected with prepectal carina anteriorly, running along almost entire length of lower part of mesopleura. Metapleural flange rather short, wide, almost pointed apically. abscissa of medial vein. Distance from nervulus to basal vein almost equal to nervulus length. Brachial cell closed apically distinctly before recurrent vein. Hind wing (Figure 82) 5.66 as long as wide. First abscissa of costal vein 0.56 second abscissa. First abscissa of mediocubital vein 0.56 second abscissa. Recurrent vein long, curved toward base of wing, unsclerotized, distinctly antefurcal.
Legs. Hind coxa without basoventral tooth, its length 26 maximum width (Figure 83). Hind femur 4.26 as long as wide (Figure 84). Hind tibia with six short spines on apical outside margin (Figure 85). Hind tarsus 1.16 as long as hind tibia. Basitarsus 0.66 as long as second to fifth segments combined. Second tarsal segment about 0.66 as long as basitarsus, 1.56 as long as fifth segment (without pretarsus).
Metasoma. Metasoma (Figure 87) 1.66 as long as head and mesosoma combined. First tergite weakly and linearly widened from base to apex, with long spiracular tubercles in basal 0.3 that are directed somewhat downwards. Acrosternite of first tergite 0.66 as long as tergite. Maximum width of first tergite 1.86 its minimum width; length 2.36 its apical width. Second tergite with shallow, curved, distinctly posteriorly convergent, light longitudinal lateral furrows; basal width of median area 1.66 its apical width; length of tergite 1.66 its basal width, 1.26 length of third tergite. Second suture shallow, but distinct, with very weak lateral bends. Ovipositor sheath 0.96 as long as body, 1.46 as long as metasoma, 1.36 as long as fore wing.
Colour. Head and mesoscutum light reddish brown, remaining mesosoma and apex of metasoma reddish brown, most part of metasoma almost black. Antenna reddish brown, darkened toward apex, brownish yellow basally. Palpi yellow. Tegulae yellowish red. Legs brownish yellow. Ovipositor sheath black. Fore wings faintly infuscate. Pterostigma brown, pale yellow in basal 0.3 and apically.

Discussion
This new species is similar to E. eous (Belokobylskij) from the Russian Far East but differs in the narrow and long first tergite with long spiracular tubercles (Figure 87 cf. Figure 54), the long acrosternite of the first metasomal segment, the long second tergite (Figure 87 cf. Figure 54), the setose eye, and the slender hind femur (Figure 84 cf. Figure 52). It differs from E. hoabinicus sp. nov. in the long and narrow first and second tergites (Figure 87 cf. Distribution. China (Guangxi).