Euceros kiushuensis UCHIDA, 1958

Riedel, Matthias, 2025, Notes on some Asian species of Euceros GRAVENHORST, with description of a new species (Hymenoptera, Ichneumonidae, Eucerotinae), Linzer biologische Beiträge 57 (1), pp. 343-349 : 347

Euceros kiushuensis UCHIDA, 1958

M a t e r i a l e x a m i n e d: Taiwan: Taichung Prov., 15 km W Lishan , 1410 m, 24.258°N 121.211°E, 1J 25.V.2012, leg. J. Halada (Linz) ; Laos: Hua Phan Prov., Ban Saleui , Phon-Pan-Mt., 20°13'30 " N 103°59'26 " E, 1350-1900 m, 1♀ 30.IV.2012, 1♀ 6.V.2012, 2♀♀ 27.VI.2013, 1♀ 19- 21.IV.2014, leg. C. Holzschuh & natives (Linz) .

D e s c r i p t i o n: ♀. Body length 8.5-12.0 mm. Flagellum with 45-50 segments, 1 st flagellar segment 4.0-4.5× as long as wide. Distance between lateral ocellus and eye 2.0- 2.3× ocellar diameter. Hind femur 3.7-4.1× as long as wide. 1 st tergite 1.2× as wide as long, latero-median carina in basal 0.3-0.4. Structure otherwise as described by BARRON (1978: 335-337) and KASPARYAN & TOLKANITZ (1999: 340-342).

Color. Yellow. Flagellar segments 1-16/18 brown, distal segments black. Mandibular teeth, v-shaped spot on ventral frons confluent with dorso-median spot on face, stemmaticum and small spot on occiput, collar, central spot and lateral stripes on mesoscutum, dorso-frontal stripe on mesopleuron, frontal margin of metapleuron, posterior spot on mesosternum, median stripe on scutellum, antero-median spot on propodeum and central transverse stripes on all tergites. Legs yellow; external and ventral stripes on hind coxa, basal 0.2-0.4 of hind femur and often base of hind tibia black. Fore wing usually slightly infuscate apically; pterostigma brownish, ochreous basally.

J. Body length 11.0 mm. Flagellum with 44 segments, 1 st flagellar segment 3.2× as long as wide. Distance between lateral ocellus and eye 1.7× ocellar diameter. Hind femur 4.2× as long as wide. 1 st tergite about as long as wide, latero-median carina in basal 0.5. Structure otherwise as described by BARRON (1978: 335-337) and KASPARYAN & TOLKANITZ (1999: 340-342).

C o l o r. Yellow. Flagellum brown, flagellar segments 5-12 black, segments 5-17 ochreous laterally. Mandibular teeth, V-shaped spot on ventral frons, stemmaticum and small spot on occiput, central spot on mesoscutum, median stripe on scutellum, antero-median spot on propodeum and median and lateral spots on each tergite black. Lateral lobe of mesoscutum and frontal stripes on all femora reddish. Wings hyaline; pterostigma brownish, ochreous basally.

D i s t r i b u t i o n: Transpalaearctic and Oriental, known from Taiwan ( KASPARYAN & TOLKANITZ 1999), new record for Laos.