Gonatopus helleni (Raatikainen, 1961)

Kochetkov, D. N., 2024, NEW RECORDS OF PINCER WASPS (HYMENOPTERA: DRYINIDAE) FROM RUSSIA, WITH DESCRIPTION OF A NEW SPECIES OF BOCCHUS ASHMEAD, 1893, Far Eastern Entomologist 498, pp. 1-12 : 7-8

Gonatopus helleni (Raatikainen, 1961)

Figs 14 , 19–22

MATERIAL EXAMINED. Russia: Zabaikalskii Krai , 70 km SE of Nizhnii Tsasuchei, Zun-Torei Lake, Daurskii Nature Reserve, 50°00'15"N 115°43'13"E, 29- 30. VI 2022, 2 ♀ (DK) .

DESCRIPTION. Female of the dark morph. Apterous; length 3.3–3.5 mm. Head black, except mandible, clypeus and anterior region of face yellow; head below and occiput brown; antenna brown, except segments 1 and 10 totally or partly yellow; mesosoma and metasoma black; legs brown or partly yellow, except club of profemur black or dark brown, protarsomeres yellow. Antenna clavate; antennomeres in following proportions: 8:5:9:5:4,5:5:5:5:5:8. Head excavated, shiny, granulated, frons posteriorly and anterior part of vertex smooth; frontal line complete; occipital carina lacking; POL = 2; OL = 2,5; OOL = 7; TL = 2; OPL = 5. Palpal formula 3/2. Pronotum slightly shiny, granulated, crossed by slightly transverse impression. Scutum dull, granulated. Scutellum shiny. Metanotum transversely striate, not hollow behind scutellum, about as long as scutellum, with sides rounded. Metathorax + propodeum dull, with anterior surface and disc granulated; posterior surface of propodeum, mesopleuron and metapleuron transversely striate. Mesometapleural suture obsolete. Protarsal segments in following proportions: 10:1,5:3:6:11, or 11:2:3:6:12, segment 1 approximately twice as long as segment 4. Enlarged claw with one large subdistal tooth and 1 row of 4–5 lamellae. Segment 5 of protarsus with 2 rows of 6–8 lamellae; distal apex with 3–6 lamellae. Tibial spurs 1/0/1.

DISTRIBUTION. Russia: European part (South), Eastern Siberia (Buryatia, *Zabaikalskii Krai). – Europe (from Spain to Finland), Mongolia.

Figures

Figs 14–18. Female chelae: 14 – Gonatopus helleni; 15 – G. pulicarius; 16 – Anteon thai; 17 – A. munitum; 18 – Bocchus beketovi sp. n.; Scale bar: 0.1 mm.