Casinaria horstmanni, Riedel, 2018

Riedel, Olmgren Matthias, 2018, Revision of the Western Palae arctic species of the genus Casinaria H (Hymenoptera, Ichneumonidae, Campopleginae), Linzer biologische Beiträge 50 (1), pp. 723-763 : 733-734

Casinaria horstmanni nov.sp. ( figs 15 , 39 )

Holotypus: (♀) Esp.-Alicante Moraira, 90m, 8-13.ix.1989 garrigue, réc. R. Wahis, Mal.trap (ZSM).

Paratypes: (♀) Esp.-Alicante Moraira, 90m, 5-7.x.1989 garrigue, réc. R. Wahis, Mal.trap (ZSM); (♀) Esp.-Alicante Moraira, 90m, 7.x.1989 garrigue, réc. R. Wahis, Mal.trap (ZSM); (♂) Esp.- Alicante Moraira, 90m, 2-13.iv.1990 garrigue, réc. R. Wahis, Mal.trap (ZSM); (♂) 14.VIII.1960 Hyères, Fr., legit R. Hinz, [red] 1567 (ZSM).

D e s c r i p t i o n: ♀: Body length 9 mm. Flagella filiform, with 33 segments; 1 st flagellomere length 2.4x width; preapical flagellomeres almost square. Temples narrow, roundly narrowed behind eyes. Ocelli large, distance of lateral ocelli to eyes 0.7-0.8x and between them 1.9x their diameter. Face strongly narrowed ventrally, finely rugosepunctate, minimal width 0.55x eye length and 0.9x width of frons. Clypeus ± convex. Malar space length 0.3x width of mandibular bases. Genal carinae bent moderately outwards ventrally, reaching the mandibular bases in an angle of c.80°. Hypostomal carinae not elevated.

Mesopleural discs distinctly and densely punctate, finely granulate, ± shining; specula granulate, matte; dorsal impressions strongly striate. Prepectal carina slightly bent forwards and elevated ventrally, absent on transversal parts. Propodeum rugose, with basal carinae (area basalis) and narrow but deep longitudinal impression centrally covered with coarse transversal rims. Hind femora length 4.3-4.7x width; inner spurs of hind tibiae 0.7x as long as hind metatarsi. Claws pectinate. Areolets stalked, 2 nd recurrent veins distal of middle; nervuli slightly postfurcal; postnervuli intercepted in the middle; external angles of discoidal cells acute (c.80°); nervelli of hind wings interstitial, not intercepted. 2 nd tergite length 2.2x width; thyridia long-oval, distance from basal margin 1-2x their length; 3 rd tergite length 1.5x width. 7 th tergite with a deep triangular apical excision; ovipositor sheaths shortly reaching behind metasomal apex.

Colour: Black. Palps and tegulae yellow; mandibles except reddish teeth black. All coxae, trochanters and trochantelli black; legs otherwise red; fore and middle tibiae pale yellow externally; fore and middle tarsi brownish; hind tibiae red to brown, ivory basally, brownish subbasally and apically; hind tarsi except ivory base of hind metatarsi dark brown. Pterostigmata brown.

♂: Body length 8 mm. Flagella with 33-34 segments, Hind femora length 4.6x width. 2 nd tergite length 2.3x width; 3 rd tergite length 1.6x width. Areolets with 2 nd recurrent veins in the middle. Fore and middle tarsi apically ± brownish. Structure and colouration otherwise as in ♀.

H o s t s: unknown.

D i s t r i b u t i o n: France, Italy, Spain.

Figures

Figs 13-16: Propodea of ♀♀ of: (13) Casinaria flagellator nov.sp. HT; (14) C. hinzi nov.sp. HT; (15) C. horstmanni nov.sp. PT; (16) C. kriechbaumeri (COSTA).

Figs 38-43: Faces of: (38) Casinaria hinzi nov.sp. HT; (39) C. horstmanni nov.sp. PT; (40) C. nigrotrochanterata nov.sp. HT; (41) C. paramorionella nov.sp. PT.; (42) C. compressiventris nov.sp. HT; (43) C. tegulata nov.sp. HT.