Olesicampe caucasica RIEDEL, 2025

Olesicampe caucasica RIEDEL nov.sp. ( Figs 5-8 View Figs 5-8 )

Holotype: (♀) Georgia, Vashlovani, Datviskhevi , 41.240505°/46.383119°, MT, 24.IV-4.V.2023, leg. G. Japoshvili (Tbilisi) . Paratype: (♀) Georgia, Vashlovani, Datviskhevi, 41.240505°/46.383119°, MT, 16-24. V.2023, leg. G. Japoshvili ( ZSM, Munich).

D e s c r i p t i o n: ♀. Body length 5.5-6.0 mm. Flagellum with 24-26 segments, pedicel and annellus not thickened; 1 st flagellar segment 3.0× as long as wide and 0.31× as long as eye; preapical segment short, 1.3× as long as wide. Head 1.9× as wide as long dorsally. Temple long, slightly narrowed behind eye. Distance between lateral ocellus and eye 1.4× and between lateral ocelli 1.9× ocellar diameter. Face densely punctate, with very dense setae without silvery shine. Combined length of face and clypeus 0.8-0.9× facial width. Gena slightly swollen, not excavated. Malar space 0.4× as long as width of mandibular base. Ventral mandibular tooth 1/3× longer than dorsal tooth. Genal carina reaching hypostomal one far away from mandibular base, hypostomal carina slightly elevated.

Mesoscutum densely punctate, shining and almost smooth between punctures. Side of pronotum punctate dorsally and rugose-striate ventrally. Mesopleuron with distinct and dense punctures, shining and almost smooth between punctures; speculum partly smooth and shiny; mesopleural impression with coarse regular striae. Propodeum with distinct carination in basal half. Area basalis trapezoid, about as wide as long. Area superomedia pentagonal, open apically, longer than wide, lateral carinae almost parallel apically; costula weak or obsolete in its frontal 0.3-0.4. Hind trochantellus moderately widened. Hind femur 4.1× as long as wide. Inner spur of hind tibia 0.52× as long as hind metatarsus. Areolet stalked frontally, vein 2m-cu distad its middle. Vein 1cu-a interstitial or slightly antefurcal. Postnervulus intercepted in or apical to the middle. Outer discoidal edge moderately acute (80°).

Side of petiole not impressed basally, smooth; glymma small or absent. Postpetiole 1.0× as long as wide, with parallel sides and lateral carina. 2 nd tergite 1.1× as long as wide. Ovipositor sheath short.

Color: black. Flagellum black basally, ± brownish distally. Palps, mandible except teeth, ventral spot of scape, tegula, sometimes apical spot of fore coxa, fore and mid trochanters and all trochantelli yellow. Fore and mid legs otherwise reddish, their femora apically and tibiae frontally with ivory stripes. Hind femur chestnut-red to black; hind tibia ochreous, yellow basally, infuscate in apical 0.1-0.3. Hind tarsus brown, metatarsus ivory in basal half. Fold of 2 nd sternite yellow. Tergites black, 3 rd tergite mainly and sometimes 4 th tergite frontally reddish. Pterostigma brownish.

♁ unknown.

R e m a r k s: This new species differs from the other Olesicampe species with black hind femur and enlarged hind trochantellus, such as O. fulcrans (THOMSON) and O. nigricoxa (THOMSON) , by its smooth and shiny mesopleuron which is coarsely and densely punctate.

D i s t r i b u t i o n: So far only known from Georgia.