Exeristes roborator (Fabricius, 1793)

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 : 13

Exeristes roborator (Fabricius, 1793) ( figs 1 ; 2 , 1 , 10; 3, 4)

M a t e r i a l. Carpathians. Romania: Constanţa Country: Agigea, 12.08.1964, 2 Ơ, 3 ♀; idem, 13.08.1964, 1 Ơ, 4 ♀ ; idem, 20.08.1964, 2 ♀ ; idem, 2.06.1968, ♀ ; Teleorman Country: Merisani , 10.08.1958, ♀ ; Vaslui Country: Husi , 17.06.1980, ♀ ; Maramures Country : Cluj, 25.07.1979, ex Larinus sp. , 2 Ơ ; idem, ex Larinus sp. , 21.07.1989, 1 ♀ ; idem, ex Larinus sp. , 18.07.1990, 1 Ơ, 2 ♀ ; idem, 25.07.1990, 4 Ơ, 2 ♀ ; Mehedinti Country: Planisevita , 15.05.1967, 1 ♀ ; Iasi Country: Breazu , 28.09.1961, 2 ♀ ; idem, 2.08.2000, 1 ♀ ; idem, 17.08.2000, 1 Ơ; Dumesti, 22.08.1959, 1 Ơ ; idem, 24.08.1959, 1 Ơ, 2 ♀ ; idem, 5.09.1959, 1 ♀ ; Neamt Country: Ruginești, 9.07.1967, 1 Ơ; Suceava Country : Poiana Stampei , 19.08.1971, 1 ♀ ; idem, 17.08.1954, 1 ♀ ; Tulcea Country: Babadag, 07.1968, 1 Ơ; Murighiol , 8.09.1982, 3 Ơ ; idem, 13.09.1983, 1 Ơ (Pisica). Ukraine: Ivano-Frankivsk Region: Bogorodchany District: Mochary , 300–350 m, mixed forest, 5 km NE of Bogorodchany, sweeping, 5.09.2011, 1 ♀ ; idem, 7.09.2011, 1 ♀ (Varga) ; Gorgany, Stara Guta , 07.2004, 1 ♀ ; Ivano-Frankivsk, Vovchynets , 21.05.2006, 1 ♀ ( Sirenko ) .

D i a g n o s i s. The female is characterized by the hind coxae and all trochanters red; fore tarsal claws enlarged basally (into lobes); ovipositor tip subapically tuberculated ( fig. 2 , 1 ); metasomal tergites strongly transverse; and hind tarsus with fifth tarsomere about 1.0– 1.1 times longer than second tarsomere (as on fig. 3 , 6). The male generally resembles female and has black coxa, red trochanter, and apically tuberculated clypeus ( fig. 3 , 4).

D i s t r i b u t i o n. Afrotropical, Oriental and Palaearctic Regions ( Yu et al., 2012).

Remarks. Some specimens in Pisica’s collection were misidentified as “ Exeristes arundinis ” and “ Gregopimpla bernuthii (Hartig, 1838) ”. The collection also contains numerous specimens without locality labels reared from Rhyacionia buoliana (Denis & Schiffermuller, 1775) .

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).