Perissosega venablei Krombein, 1983

Mita, Toshiharu, 2022, Taxonomy of Perissosega Krombein (Hymenoptera: Chrysididae, Amiseginae) with description of a new species from Japan, Zootaxa 5169 (3), pp. 279-285 : 282

Perissosega venablei Krombein, 1983

( Figs 5–10 )

Perissosega venablei Krombein, 1983: 27 . Holotype ♀; type locality: Sri Lanka, Southern Prov. , Galle District , Kanneliya section, Sinharaja Jungle (USNM).

Diagnosis. Body 2.9–3.5 mm in female, 3.6– 2.9 mm in male; black with dark brown mandibles, antennae and legs, articulation of legs paler; wings strongly infuscate with two clear bands, legs sometimes brown; head punctate, almost contiguous; scapal basin with dorsal margin surrounded by strong carina ( Fig. 7 ); occipital carina posterior to ocellar region absent or effaced ( Fig. 9 ), laterally always complete, extending ventral to hypostoma; ocellar triangle narrow, POL 0.8 × OL ( Fig. 8 ); mesosoma ( Fig. 10 ) punctate, punctures almost contiguous; mesopleuron with punctures, dorsally denser, almost punctate-reticulate ( Fig.5 ); median enclosure of metanotum 0.75 ×mesoscutellum; metapectal-propodeal complex bearing spine-like posterior propodeal projection; distal part of pterostigma + R1 2 v 0.7 × 2r-rs 2 v ( Fig. 6 ); 2r-rs 2 v weakly curving; Rs&M 2 v arising before (holotype) or almost at (one paratype ♀) Cua 2 v; metasoma punctate, punctures shallow, somewhat larger and denser than those on mesosoma; median polished line more or less present on T2 (♀) or absent (♂).

About the recognition of P. venablei from the closely allied species, see the diagnosis of P. sulcata sp. nov.

Specimens examined. Holotype ♀, “ SRI LANKA: Gal. Dist. , Kanneliya Jungle ”, “ 14-VII-1978, K. V. Krombein, P. B. Karunaratne ”, “ HOLOTYPE, PERISSOSEGA VENABLEI ♀, Karl V. Krombein”, “ Type No. 100444, U.S.N.M.”( USNM) . Paratypes 1♀, Sri Lanka , Mat. Dist. , Kibissa , 0.5 miwest, Sigiriya, Jungle, 3. VI . 1978, K. V. Krombein, P. B. Karunaratne leg. ( USNM) ; 1♂ (allotype), Sri Lanka , Rat. Dist. , Gilimale , Induruwa, Jungle, 2. II. 1979, Malaise trap, K. V . Krombein, P. B. Karunaratne , T . Wijesinhe , S. Siriwardane, T. Gunawardane leg. ( USNM) .

Figures

FIGURES 5–10. Perissosega venablei Krombein, holotype ♀. 5. Lateral habitus; 6. forewing; 7, head, frontal view; 8, head, dorsal view; 9, vertex; 10, mesosoma. Scale bar = 1.0 mm.