B. longicollis var. depressiusculus (Fig. 20K)

Body strong. First tergite large, slightly more broadening posteriorly (Fig. 20K). Sculpture of body rough (Fig. 20K). Antenna with 29-35 antennomeres. Corporal colour fairly albanic.

Hosts

DIPT. Chloropidae:! Chlorops pumilionis Bjerkander, Ch. taenipus Meigen. — LEP. Momphidae:! Mompha bradleyi Riedl. Glyphipterigidae:? Glyphipterix simpliciella Stephens. — HYM. Cephidae:! Cephus pygmaeus Linnaeus. Tenthredinidae:! Heptamelus ochroleucus (Stephens).

Distribution

Palaearctic Region, in Europe frequent to common.

Taxonomic position

The species Bracon (Bracon) longicollis is nearest to B. (Glabrobracon) exhilarator Nees, their distinction see at the latter species. - B. (B.) longicollis is near to B. (B.) nigratus Wesmael (Palaearctic Region, in Europe fairly frequent to sporadic), the two species are distinguished by the following features:

1 (2) Propodeum with a medio-longitudinal carina and along it rugulose-subrugulose (to rugose) of variable extent (Figs 18D; 19A; 20 C-D). Forewing: pterostigma (2.8-)3-3.2 times as long as wide (Figs 18G; 20E). Second tergite transverse, 3-3.2 times as broad behind as long; tergites 1-2 usually with rugosity (Figs 18I; 20F). Ovipositor sheath usually as long as hind tibia. Tegula yellow. ♀ ♁: (2.5-) 3-5 mm ............................................................................................. B. (B.) longicollis Wesmael, 1838

2 (1) Propodeum without a medio-longitudinal carina, at most above lunule with a few rugulae (Fig. 24C). Forewing: pterostigma wide, 2.2-2.5(-2.7) times as long as wide (Figs 24F; 25B). Second tergite less transverse, 2.6-2.7 times as broad behind as long; tergites 1-2 usually with rougher rugosity (Fig. 24H). Ovipositor sheath usually as long as hind basitarsus. Tegula (dark) brown to blackish. ♀: (2.8-) 3-4 mm, ♁: (2-) 2.5 mm .................................................... B. (B.) nigratus Wesmael, 1838

The species B. (B.) longicollis is also near to B. (B.) speerschneideri Schmiedeknecht considering their sculpture quality of the tergites and the short ovipositor sheath; the distinction of the two species is presented as follows:

1 (2) Propodeum with a medio-longitudinal carina, along it rugulose-subrugulose (Figs 18D; 19A, 20 C-D). Hind femur thick, 2.3-3.1 times (♀) and 3.3 times (♁) as long as broad (Figs 18E; 19B). Temple receded (Fig. 18A). Tergites 2-3 of ♀ equal in length (Fig. 18I). Ground colour of body blackish to black, tergites 2-3 with yellow to testeceous pattern (albanic and melanic forms sporadic). Body rather strong, ♀: (2.5-) 3-5 mm .............................................. B. (B.) longicollis Wesmael, 1838

2 (1) Propodeum medio-basally with fine sculpture (Fig. 21A). Hind femur thin, four times as long as broad (Fig. 21B). Temple rounded (Fig. 21C). Female: second tergite somewhat longer than third tergite (Fig. 21D). Ground colour of body brown to dark brown with faint rusty pattern. Body rather gracile, ♀: 3-3.2 mm .................................................. B. (B.) speerschneideri Schmiedeknecht, 1897

The species Bracon (Glabrobracon) reseri Papp seems also near to B. (B.) longicollis disregarding the subgeneric difference between them: B. reseri: at most tergites 2-3 rugo-rugulose, rugose. The deviating features of B. reseri from three species, B. larvicida Wesmael, B. romani Fahringer and

B. terebella Wesmael, were presented previously (Papp 1989: 273-276), the fourth species, B. longicollis, is separated subsequently:

1 (2) Temple in dorsal view rounded (Fig. 21E). Flagellomeres 6-8 to 22-24 of ♀♀ subcubic, at most somewhat longer than broad; those of ♁♁ 1.3-1.4 times longer. First discal cell slightly less high, 1-M 1.5 times as long as m-cu (Fig. 21F). Female: legs blackish to black with less yellowish brown to brown pattern; ♁: legs somewhat more light coloured. Tegula black. ♀ ♁: 3.2-3.6 mm .................... ................. ..................................................................................................... B. (Gl.) reseri Papp, 1989

2 (1) Temple in dorsal view receded (Fig. 18A). Flagellomeres of ♀♀ (1.3-)1.6-2 times as long as broad; those of ♁ 1.8-2.2 times longer. First discal cell high, 1-M 1.7 imes as long as m-cu (Fig. 18H). Female: legs yelow with more or less brownish to blackish pattern; ♁: legs yellow to brownish with less dark pattern. Tegula yellow to brown. ♀: 2.4-5 mm, ♁: 2.2-4 mm ......... B. longicollis Wesmael, 1838