Exeristes arundinis (Kriechbaumer, 1887)

Varga, O., 2017, A Review Of The Genus Exeristes (Hymenoptera, Ichneumonidae, Pimplinae) From Carpathians, With An Illustrated Key To Western Palearctic Species, Vestnik Zoologii 51 (1), pp. 9-14 : 11-12

Exeristes arundinis (Kriechbaumer, 1887) ( figs 1 ; 2 , 3 , 6; 3, 1)

Material. Type material. Lectotype ♀ and paralectotype ♀ ( ZSSM). No material examined from Carpathians. Additional material. Ukraine: Odesa Region: Kyliya District, 12 km of Vylkovo , sweeping, 4.07.1997, 3 Ơ, idem, 6.07.1997, 1 ♀ (Kasparyan) ( ZISK) .

Diagnosis. The female is characterized by the hind coxa black, trochanter red; fore tarsal claws enlarged basally (into lobes) and emarginated apically ( fig. 2 , 6); ovipositor tip subapically tuberculated ( fig. 2 , 3 ); metasomal tergites elongated; and hind tarsus with fifth tarsomere about 1.2 times longer than second tarsomere ( fig. 3 , 5). The male generally resembles female and has black scape, pedicel, and all coxae; red all trochanters ( fig. 3 , 1 ).

D i s t r i b u t i o n. Palaearctic Region ( Yu et al., 2012).

Figures

Fig. 1. The Carpathian Exeristes spp. distribution map. Yellow circle — E. roborator; red circle — E. longiseta; green circle — E. arundinis.

Fig. 2. Exeristes spp., female. 1 — E. roborator, ovipositor tip (lateral view); 2 — E. longiseta, ovipositor tip (lateral view); 3 — E. arundinis, ovipositor tip (lateral view); 4 — E. denticulator, holotype, ovipositor tip (lateral view); 5 — E. ruficollis, lectotype, ovipositor tip (lateral view); 6 — E. arundinis, fore tarsal claw (lateral view); 7 — E. ruficollis, lectotype, hind femur and tibia (lateral view); 8 — E. denticulator, holotype, hind tibia and tarsus (lateral view); 9 — E. denticulator, holotype, propodeum and tergites I–II of metasoma (dorsal view); 10 — E. roborator, propodeum and tergites I–II of metasoma (dorsal view).

Fig. 3. Exeristes spp., male. 1 — E. arundinis, habitus (lateral view); 2 — E. longiseta, habitus (lateral view); 3 — E. ruficollis, head and mesosoma (lateral view); 4 — E. roborator, clypeus (frontal view); 5 — E. arundinis, hind tarsus (lateral view); 6 — E. roborator, hind tarsus (lateral view).