Glyphidops Enderlein

Key to adult Glyphidops Enderlein

1. Arista entirely, or at least basal third, with dense white pubescence (Figs. 1 C, 4C)................... G. (Glyphidops) ... 2

- Arista brown, bare or with faint brown pubescence (Figs. 10 C, 11C)............................... G. (Oncopsia) ...9

2. Posterior notopleural and scutellar setae inserted on cilyndrical tubercles, half as long as the seta. Male tergite 6 yellow, contrasting dark abdomen (Fig. 1 A)..................................................... G. (G.) bullatus (Enderlein)

- Thoracic setae not inserted on cilyndrical tubercles. Tergite 6 at most paler than rest of abdomen (Figs. 4 A, 6A)........... 3

3. Anterior fronto-orbital seta inconspicuous (Fig. 6 D). Arista apical with short pubescence on proximal half and distal half brown. Pleuron with yellow stripe form anterior margin of postpronotal lobe to anepimeron and posterior half of katepisternum to mid coxa (Fig. 6 A–B)........................................................ G. (G.) ruselatus new species

- Anterior fronto-orbital seta well-developed, at least hair-like (Figs. 3 D, 5D). Arista with dense and conspicuous white pubescence. Pleuron with yellow stripe not reaching katepisternum and mid coxa........................ (Figs. 2 A, 4A) … 4

4. First flagellomere oblong with arista dorso-apical (Figs. 3 D, 5D).............................................. 5

- First flagellomere lanceolate or elliptic tapering towards apex with arista apical (Figs. 2 D, 8D)....................... 6

5. Frontal vitta yellow with black spot covering posterior third, from posterior pair of fronto-orbital seta to occiput (Fig. 3 C). Anterior fronto-orbital seta spine-like and subequal to mid fronto-orbital seta (Fig. 3 D)................ G. (G.) etele Aczél

- Frontal vitta entirely yellow, without black spot posteriorly, at most blackish around ocellar tubercle (Fig. 5 C). Anterior frontoorbital seta hair-like and weak (Fig. 5 D)................................................ G. (G.) obscurus Hennig

6. Body dark brown with bluish reflections (Figs. 2 A, 7A). Fontal vitta yellow with brown “Y” shaped stripe from antennal base to ocellar tubercle, sometimes vanishes at midpoint (Figs. 2 C, 7C). Pedicel not elongate, first flagellomere length more than twice length of pedicel (Figs. 2 D, 7D).................................................................... 7

- Body brown, if with bluish reflections, only in darker areas of abdomen (Figs. 4 A, 8A). Frontal vitta yellow, at most with two narrow stripes in lateral margins anteriorly (Figs. 4 C, 8C). Pedicel elongate, first flagellomere length, less than twice length of pedicel (4D, 8D)..................................................................................... 8

7. Femora dark brown with apex paler to yellowish (Figs. 7 A–B). Surstylus spatulate and inflated (Fig. 7 G). Syntergite 7+8 dorsally straight and not protuberant................................................... G. (G.) steyskali new species

- Femora yellow with proximal and distomedial yellowish-brown rings (Fig. 2 A–B). Surstylus linear and not inflated (Fig. 2 G). Syntergite 7+8 dorsally convex and protuberant...................................... G. (G.) coracinus new species

8. Supra-alar seta present. Antennal base rounded and inflated; margins rounded in dorsal view. Frontal vitta with two narrow black stripes in lateral margins anteriorly (Fig. 8 C)....................................... G. (G.) vittatus (Cresson)

- Supra-alar seta absent. Antennal base not inflated and at most slightly rounded. Frontal vitta with ovate black spot on posterior third, covering the ocellar tubercle (Fig. 4 C)............................................ G. (G.) filosus (Fabricius)

9. Head not elongate in lateral view, with antennal base conspicuously reduced (Figs. 13 C–D). Veins R2+3 and M1, with 10 and 8 intercalated cross-veins respectively, each associated with one brown spot (Fig. 13 E). Occiput height, more than three times length (Fig. 13 D)............................................................. G. (O.) pluricellatus (Schiner)

- Head at least slightly elongate in lateral view, with antennal base porrect (Figs. 11 D, 12D). Veins R2+3 and M1 without supernumerary cross-veins (Figs. 11 E, 12E). Occiput height at most twice length....................................... 10

10. Pleuron yellowish-brown and partly yellow with katatergite yellow (Figs. 11 A, 12A). Occiput with reduced ventral brown stripe (Figs. 11 D, 12D). Abdomen dorsally with median yellow stripe from tergite 1 to tergite 6 or shorter.............. 11

- Pleuron brown with bluish reflections, even katatergite (Figs. 9 A, 10A). Occiput with wide ventral brown stripe (Figs. 9 C, 10D). Abdomen dorsally without median yellow stripe..................................................... 12

11. Arista with faint brown pubescence. Frontal vitta yellow with narrow brown “Y” shaped stripe from anterior margin of frons to ocellar tubercle (Fig. 12 C).......................................................... G. (O.) limbatus Enderlein

- Arista bare. Frontal vitta yellow (Fig. 11 C)............................................. G. (O.) flavifrons (Bigot)

12. Anterior notopleural seta hair-like and slender. Hind femur dorsally with two distomedial setae. Tibia yellow, without brown ring............................................................................... G. (O.) carrerai Aczél

- Anterior notopleural seta absent. Hind femur dorsally without seta. Tibia yellow with distomedial pale brown ring, darker on mid and hind tibiae.................................................................. G. (O.) durus (Cresson)