Aneuclis lugubris, Khalaim, 2009

Khalaim, Andrey I., 2009, South African species of Aneuclis Förster, 1869 (Hymenoptera: Ichneumonidae: Tersilochinae), African Invertebrates 50 (1), pp. 123-136 : 131-134

Aneuclis lugubris sp. n.

Figs 19–21

Etymology: From Latin lugubris (mournful).

Description:

Female.

Body length 2.56 mm.

Head roundly narrowed behind eyes in dorsal view; temple 0.66 times as long as eye width. Flagellum of antenna with 13 or 14 segments; all flagellomeres elongate. Upper tooth of mandible longer than lower tooth. Malar space subequal to or somewhat longer than basal width of mandible. Face and frons finely granulate and very finely punctate (sometimes punctures indistinct), often almost smooth and shining. Vertex very finely granulate to almost smooth, matt. Temple smooth and shining.

Mesonotum finely granulate and finely punctate (sometimes indistinctly). Notaulus usually more or less developed. Mesopleuron finely granulate, finely punctate centrally, sometimes almost smooth and shining. Sternaulus in anterior part of mesopleuron weakly impressed, as a rule with transverse wrinkles. Propodeum evenly granulate, impunctate; basal keel half as long as apical area ( Fig. 20 ); spiracle separated from pleural carina by about 2.0 diameters of spiracle; apical area pointed anteriorly ( Fig. 20 ) or sometimes rounded, its longitudinal carinae reaching or not reaching transverse carina.

Fore wing length 2.14 mm. First section of radial vein longer than width of pterostigma. Metacarp short, ending far short of apex of fore wing. Second recurrent vein postfurcal.

First tergite length 0.6 mm, posterior width 0.14 mm; tergite very slender, entirely smooth, without glymma. Second tergite length 0.27 mm. Thyridia shallow, 2.0–3.0 times as long as wide. Ovipositor evenly upcurved, with weak dorsal subapical depression ( Fig. 21 ); sheath 1.3 mm, about twice as long as first tergite.

Primarily brown to dark brown species, with mesosoma sometimes black. Palpi and antenna fuscous or black; scape and pedicel sometimes slightly yellowish or brownish. Mandibles (except teeth), lower clypeus and tegula yellow to yellow-brown. Pterostigma brown to pale brown, usually with pallid marks basally and apically. Legs mostly brown to dark brown ( Fig. 19 ); fore and mid femora widely yellowish or yellowish brown apically; hind femur with narrow pallid mark apically; tibiae more or less pale apically and sometimes also basally.

Male. Similar to female. Flagellum of antenna with 14 segments.

Holotype: ♀‘ S. Africa, N. Cape, Glen Lyon farm, Horn Site (4.38 km 153° SSE Nieuwoudtville) 31°24.268'S 19°08.788'E’, ‘ Medicago pastures on tillite, 11–14 October 2000, S van Noort, Malaise trap NW00-TM1- M19’, ‘SAM-HYM-P0024930’ ( SAMC).

Paratypes: SOUTH AFRICA: Northern Cape: ♀same data as holotype ( SAMC) ; 2♀5♂ West Driefontein farm, 13.1 km 106° ESE Nieuwoudtville, 31°22.178'S: 19°15.064'E, Succulent Karoo on shales, Malaise trap, 13–16.x.2000, S. van Noort (♀4♂ SAMC, ♀♂ ZISP); 4♀Oorlogskloof farm, Beacon Site , 6.65 km 158° SSE Nieuwoudtville, 31°25.307'S: 19°09.590'E, natural veg. on dolerite, sweep, 9.x.2000, S. van Noort ( SAMC) ; 2♀same data, but 9–12.x.2000 ( ZISP) ; ♀Willemsrivier farm, Tienkie Wheat North Site , 2.06 km 337° NNW Nieuwoudtville, 31°21.831'S: 19°05.897'E, old wheat field on tillite, Malaise trap, 9– 12.x.2000, S. van Noort ( SAMC) ; 2♀Willemsrivier farm, Tienkie Wheat South Site , 1.72 km 334° NNW Nieuwoudtville, 31°21.990'S: 19°06.011'E, old wheat field on tillite, Malaise trap, 12–15.x.2000, S. van Noort ( SAMC) . Eastern Cape: ♀Februarie Farm , 39.9 km 268° W Kirkwood, 33°32.813'S: 25°03.091'E, valley bushveld (non-trashed), Malaise trap, 10–12.ii.2001, S. van Noort ( SAMC) .

Figures

Figs 19–24. New South African Tersilochinae: (19–21) Aneuclis lugubris sp. n.: (19) hind leg, lateral view, (20) propodeum, dorsal view, (21) ovipositor, lateral view; (22–24) A. vannoorti sp. n.: (22) head with antenna, lateral view, (23) propodeum and first tergite, dorsolateral view, (24) ovipositor, lateral view.