Enicospilus yezoensis (Uchida, 1928)

Shimizu, So, Broad, Gavin R. & Maeto, Kaoru, 2020, Integrative taxonomy and analysis of species richness patterns of nocturnal Darwin wasps of the genus Enicospilus Stephens (Hymenoptera, Ichneumonidae, Ophioninae) in Japan, ZooKeys 990, pp. 1-144 : 1

Enicospilus yezoensis (Uchida, 1928) Figure 53

Henicospilus yezoensis Uchida, 1928: 227; LCT ♀ from Japan, SEHU, examined.

Enicospilus ranunculus Chiu, 1954: 36; HT ♀ from South Korea, TARI, examined; syn. nov.

Specimens examined.

Total of 31 specimens (18♀♀12♂♂ and 1 unsexed): Japan (16♀♀12♂♂ and 1 unsexed), South Korea (1♀), unknown (1♀).

Type series: LCT ♀ of Henicospilus yezoensis Uchida, 1928, Maruyama, Hokkaidô, JAPAN, 27.VII.1929, T. Uchida leg. (SEHU); HT ♀ of Enicospilus ranunculus Chiu, 1954, SOUTH KOREA (TARI).

Distribution.

Eastern Palaearctic region ( Yu et al. 2016).

Newly recorded from South Korea.

JAPAN: [ Hokkaidô] ( Uchida 1928; present study); [ Tôhoku] Aomori ( Ichita 1994; present study), Yamagata*, and Fukushima*; [ Kantô-Kôshin] Tochigi*, Nagano*, Tôkyô *, and Kanagawa*; [ Tôkai] Mie*; [Kinki] Hyôgo * and Nara*; [Shikoku] Kôchi *; [ Kyûshû] Fukuoka*, Saga* and Kagoshima ( Fukuda and Kusigemati 1986; present study). *New records.

Bionomics.

Unknown.

Differential diagnosis.

This species is similar to E. melanocarpus and E. ramidulus . However, E. yezoensis is easily distinguished from all other species of Enicospilus by the following combination of character states: proximal and distal sclerites separated (Fig. 53F ); central sclerite comma-shaped (Fig. 53F ); face wide and subquadrate (Fig. 53B ); gena wide and not constricted behind eye in dorsal view (Fig. 53C, D ); and diagonal groove of outer mandibular surface with dense and long setae (Fig. 53B, D ) (also see Table 8 ).

Remarks.

This species is rather morphologically stable. The holotype of E. ranunculus syn. nov. is clearly conspecific with E. yezoensis and is newly synonymised here.

Figures

Figure 53. Enicospilus yezoensis (Uchida, 1928) ♀ from Japan A habitus B head, frontal view C head, dorsal view D head, lateral view E mesosoma, lateral view F central part of fore wing.