Amblyteles WESMAEL

A. M, 2011, Illustrated key to the genera of the subtribe Amblytelina of Palaearctic (Hymenoptera, Ichneumonidae, Ichneumoninae, Ichneumonini), Linzer biologische Beiträge 43 (1), pp. 597-711 : 670-671

12. Amblyteles WESMAEL

Amblyteles WESMAEL 1844 - Nouveaux Mém. Acad. Roy. Sci. Let. Beaux-Arts Belgique 18: 113. Type species: ( Amblyteles fasciatorius WESMAEL ) = armatorius FÖRSTER.

D i s t r i b u t i o n: Palaearctic (1 species).

I n t r o d u c t i o n:

Genus is characterized by strongly developed apophysises of propodeum along with normal, rather narrow bidentate mandibles, along with striated middle field of postpetiolus and peculiar coloration of abdomen with yellow base of front tergites and yellow or

with yellow apices of apical tergites. It is differed from genera with strongly developed teeth of propodeum by bidentate mandibles and distinctive coloration. Hypopygium of males is without of elongated process.

M o r p h o l o g y:

F l a g e l l u m: Bristle-shaped, with slightly elongated segments, strongly attenuated to apex. Flagellum of males not ribbed with light bacilliform tyloides.

H e a d: Head contour from above almost linearly narrowed backwards; mandibles narrow, with two teeth, upper tooth considerably longer than lower one; clypeus of females moderately convex, of males flat.

T h o r a x: Mesonotum moderately convex, only just longer than width; axillary tongue practically not expressed; scutellum high elevated above postscutellum, roundly fall backwards, not carinated laterally, in males more convex and more elevated. Hind margin of metanotum with projections. Propodeum from lateral angle-shaped; with considerably elevated area superomedia; area superomedia rectangular, slightly transverse, without costula or with slightly marked costula in males; coxal carina absent; areae dentiparae at apex with strong, pointed apophysises directed upwards.

L e g s: Slender, long. Hind coxae of females without scopa.

W i n g s: Areolet pentagonal with narrow base; membrane of wing hyaline.

A b d o m e n Of females amblypygous, broadly-oval from above. Middle field of females’ postpetiolus more often sharply longitudinally striated, distinctly elevated and carinated, in males from sharply longitudinally-wrinkled to densely wrinkly-punctured. Gastrocoeli shallow, of females short, of males more narrow and long, thyridia absent or only just marked. Sternites strongly unsclerotized, sternites 2-4 with fold. Hypopygium of males with slightly elongated central part and rounded apex.

C o l o r a t i o n: Abdomen black, second and third tergites with yellow band at base, other ones to completely yellow; yellow coloration of males more extensive.

S i z e: Body length 12-16 mm.

B i o l o g y a n d e c o l o g y:

H o s t s: For a single species of a genus from the literature there are data on its breeding in West Palaearctic from 4 species of Noctuidae – Cucullia absinthii L, Mamestra brassicae L., M. persicariae L., Triphaena pronuba L., 2 species of Nymphalidae – Limenitis populi L., Polygonia c-album L. and one species of Geometridae – Gonodontis bidentata CL.. In East Palaearctic it is bred from Gonodontis bidentata CL. ( Lasiocampidae ) ( HERTING 1976).

S e a s o n a l a c t i v i t y a n d h i b e r n a t i o n: All females and males, available in our disposal are collected in the end of June. References to hibernation of females are adduced in A. RASNITSYN' s article (1964).