Diaparsis (Diaparsis) inusitata, Khalaim, 2013

Khalaim, Andrey I., 2013, Afrotropical species of Diaparsis Förster, 1869 (Hymenoptera: Ichneumonidae: Tersilochinae), African Invertebrates 54 (1), pp. 127-127 : 139-141

Diaparsis (Diaparsis) inusitata sp. n.

Figs 21–27

Etymology: From the Latin inusitata (unusual, uncommon, strange).

Diagnosis: The new species differs from other Afrotropical species of the genus by virtue of the combination of interstitial second recurrent vein and entirely black flagellum of antenna and first tergite of metasoma.

Description:

Female.

Body length 4.2 mm.

Head rounded behind eyes in dorsal view; temple 0.74× as long as eye width. Flagellum of antenna tapered towards apex, with 24 segments; sub­basal flagellomeres about 1.3× as long as broad, subapical flagellomeres subsquare. Mandible slender, with upper tooth much longer than lower tooth. Malar space as long as basal width of mandible. Clypeus 2.4× as broad as long, weakly separated from face, almost flat in lateral view, distinctly and densely punctate in upper 0.7, smooth between punctures and ventrally. Face and frons very densely punctate (distance between punctures shorter than one diameter of puncture) on granulate background. Vertex and temple finely and rather densely punctate on finely granulate background, dull. Occipital carina complete.

Mesosoma with mesoscutum, mesopleuron and dorsolateral area of propodeum granulate and very densely punctate (distance between punctures shorter than one diameter of puncture), mesopleuron centrally between punctures almost smooth, punctures on propodeum partly indistinct because of granulation. Notaulus with irregular wrinkles. Foveate groove in anterior 0.6 of mesopleuron, moderately deep, wide, oblique, with transverse wrinkles. Propodeal spiracle small, separated from pleural carina by about 2.0 diameters of spiracle. Propodeum with basal keel 0.55× as long as apical area; apical area flat, rounded anteriorly, impunctate, granulate, with fine transverse wrinkles; apical longitudinal carinae strong, reaching transverse carina.

Fore wing length 2.9 mm. First abscissa of radius straight, longer than width of pterostigma. Metacarp ending far from apex of fore wing. Second recurrent vein interstitial. Intercubitus long. Hind wing with nervellus slightly reclivous.

Legs slender. Hind femur 4.5× as long as broad and 0.82× as long as tibia. Spurs of hind tibia straight. Tarsal claws not pectinate.

Tergite 1 of metasoma 3.5× as long as broad posteriorly, trapeziform in cross-section (dorsolateral carina distinct), smooth dorsally and with petiole partly striate laterally, with small glymma. Second tergite almost 1.4× as long as broad anteriorly; thyridial depression shallow, elongate. Ovipositor robust, upcurved, with two rounded dorsal subapical teeth; sheath 1.62× as long as hind tibia and almost 1.4× as long as first tergite.

Head, mesosoma and tergite 1 of metasoma black. Antenna with scape and pedicel brownish yellow, flagellum brownish basally to black apically. Palpi, mandible (except for reddish teeth), lower 0.3 of clypeus, tegula and legs yellow-brown; hind leg with coxa and femur predominantly brown, tibia fuscous basally and apically, with broad and pale sub-basal band, tarsus infuscate. Pterostigma brown. Metasoma behind tergite 1 dark brown.

Male. Unknown.

Holotype: ♀ UGANDA: Central Region : Mulange [0°30'35"N 33°02'43"E], xi.1922, R. Dummet, SAMHYM-P006177 ( SAMC).

Figures

Figs 21–27. Diaparsis inusitata sp. n., ♀ holotype: (21) habitus, lateral view; (22) head, dorsal view; (23) head, frontal view; (24) head, mesosoma and ovipositor, lateral view; (25) propodeum and tergite 1, dorsolateral view; (26) apex of fore wing; (27) hind tibia and apex of metasoma, dorsal view.