Megastylus (Megastylus) kuslitzkii Humala, 2007

Watanabe, Kyohei, 2023, Taxonomic and Zoogeographic Notes on Japanese Orthocentrinae (Hymenoptera, Ichneumonidae), with Descriptions of Four New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 52, pp. 7-44 : 32

Megastylus (Megastylus) kuslitzkii Humala, 2007

[New SJN: Kyokutou-ashinaga-hae-himebachi]

( Figs. 16A–D )

Megastylus (Megastylus) kuslitzkii Humala, 2007: 699 .

Diagnosis. T I and T II covered with longitudinal striae ( Figs. 16C, D ). Antenna with more than 35 (female) or 32 (male) flagellomeres. FL I 6.0–6.2 (female) or 6.4 (male) times as long as maximum wide. Scutellum with lateral carina from base to apex. Mesopleuron whitish yellow to brown ( Fig. 16A ). Hind femur in 5.8–6.2 (female) or 6.9 (male) times as long as maximum width in lateral view. Fore wing length 3.5–4.1 mm. Male: T I 3.1 times as long as maximum width. T II 1.25 times as long as maximum width. Frons and face mat and finely granulated. OOL longer than POL. Nervellus intercepted at lower 1/3.

Material examined. JAPAN: KPM-NK 84759 , F, Hokkaido, Sapporo City, Maruyama , 29. VII. 2009, K. Watanabe leg. ; RUSSIA: ZISP, F (paratype) and M (holotype), Primorsky Krai, Lazo Rec., Bay Tachingouz , 8. VIII. 1972. V. Kuslitzky leg.

Distribution. Japan (Hokkaido) and Far East Russia.

Remarks. This is the first record of this species from Japan.

Figures

Fig. 16. Megastylus (Megastylus) kuslitzkii Humala, 2007 (A–C: KPM-NK 84759, female) ― A: lateral habitus; B: head, frontal view; C: head, mesosoma, and metasoma, dorsal view; D: T I and T II, dorsal view.