Casinaria scabra

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 : 747-748

Casinaria scabra THOMSON, 1887 ( fig. 6 )

Casinaria scabra THOMSON, 1887: 1099 ♀

Lectotypus: (♀) Berck, Gall., scabra (Lund) , type studied.

syn. Casinaria sobrina PFANKUCH, 1923: 87 ♀

Lectotypus: (♀) Triest 11.5.71 Krchb, 127, THOMSON i m. rufimanus THMS ♀ O.E. 1101, 10 (ZSM), actually not found in ZSM, synonymized by HORSTMANN (1986: 258).

syn. nov. Casinaria alpina THOMSON, 1887: 1100 ♂

Holotypus: (♂) 86/273, 42 (Lund), type studied.

D e s c r i p t i o n: ♀: Body length 6-7 mm. Flagella with 30-33 segments; 1 st flagellomeres length 2.6x width; preapical flagellomeres slightly longer than wide. Temples narrow, strongly narrowed behind eyes. Ocelli small, distance of lateral ocelli to eyes 1.0-1.1x and between them 1.8-2.4x their diameter. Face moderately narrowed ventrally, finely rugose-punctate, minimal width 0.67x eye length. Malar space length 0.4-0.5x width of mandibular bases. Genal carinae not bent outwards and obsolete ventrally, reaching hypostomal carinae far from mandibular bases in acute angle of 70°. Hypostomal carinae ± elevated.

Mesopleural discs granulate or finely rugose, with ± distinct punctures; specula granulate, matte; dorsal impressions with moderately dense striae. Prepectal carina not elevated and absent on the transversal parts. Metapleura finely rugose; coxal carinae partly developed. Scutellum wider than long, with lateral carinae in basal 0.3. Propodeum with complete but fine carinae; area superomedia very wide (2x); area petiolaris moderately but very widely impressed, with irregular transversal rugae. Hind femora length 4.7x width; length of inner spurs of hind tibiae 0.7x hind metatarsus length. Areolets pointed or stalked, 2 nd recurrent veins distal of middle; nervuli postfurcal; postnervuli intercepted behind the middle; external angles of discoidal cells c.90°; nervelli of hind wing not intercepted. 2 nd tergite length 1.3-1.45x width, 3 rd tergite length 0.8-0.95x width.

Colour: Black. Palps and tegulae yellowish. Mandibles black. 2 nd tergite subapically, 3 rd tergite completely and 4 th tergite in basal 2/3 reddish. All coxae and trochanters black; legs otherwise reddish; hind femora sometimes infuscate apically; hind tibiae reddish, with basal ivory ring, infuscate subbasally and in apical 0.1-0.2; hind tarsi except basal ivory spots on metatarsi blackish. Pterostigmata brown.

♂: Flagella with 30-33 segments, preapical flagellomeres slightly longer than wide. Hypostomal carinae sometimes elevated. Area petiolaris centrally rather distinctly impressed. 2 nd tergite length 1.2-1.8x width; 3 rd tergite length 0.75-0.95x width. 2 nd and 3 rd tergites with apical red bands or 2 nd tergite subapically and 3 rd and 4 th tergites completely reddish.

H o s t s: Anarta myrtilli (LINNAEUS, 1761) (Lep. Noctuidae ) (EDI), Ematurga atomaria (LINNAEUS, 1758) (Lep. Geometridae ) (EDI), Isturgia limbaria (FABRICIUS, 1775) (Lep. Geometridae ) (ZSM).

D i s t r i b u t i o n: Austria*, Bulgaria, Czechia (Moravia), Germany, Hungary*, Italy, Norway, Slovakia*, United Kingdom*.

Figures

Figs 1-8: Metasomas of ♀♀ of: (1) Casinaria affinis TSCHEK; (2) C. cultellator AUBERT; (3) C. ischnogaster THOMSON; (4) C. morionella HOLMGREN; (5) C. petiolaris (GRAVENHORST); (6) C. scabra THOMSON; (7) C. subglabra THOMSON; (8) C. compressiventris nov.sp. HT.