Episyron arrogans ( Smith, 1873 )

Song, Zhiyan, Dong, Lili, Ma, Li & Li, Qiang, 2025, Review and key of the Chinese species of the genus Episyron Schiødte (Hymenoptera, Pompilidae), including descriptions of two new species, Deutsche Entomologische Zeitschrift 72 (2), pp. 133-154 : 133-154

Episyron arrogans ( Smith, 1873)

Figs 6 A – F , 7 A – H

Pompilus arrogans Smith, 1873: 187, ♀. Type locality: “ Hiogo ” [ Japan, Honshu].

Pompilus funereipes Costa, 1874: 30, tab. 7 (bis), fig. 5, ♀. Lectotype, ♀, “ P. funereipes, Napoli ” [ Italy], designated by Wolf 1981 c: 32. Junior subjective synonym of Pompilus arrogans Smith, 1873 according to Wahis 1986: 28.

Pompilus sapporensis Matsumura, 1912: 182, ♀. Syntypes, ♀, “ Sapporo (Hokkaido) ” [ EIHU]. Junior subjective synonym of Pompilus arrogans Smith, 1873 according to Yasumatsu 1937: 74.

Episyron tripunctatus : Gussakovskij 1932: 42 (misidentification).

Episyron arrogans : Kim 1970: 558, ♀ (S Korea: Hwacheon); Lelej et al. 1994: 143, ♀ ♂, (S Korea: Gyeonggi-do, Gangwon-do; N Korea: Komunsan).

Episyron arrogans : Lelej, Yamane, 1992: 107, ♀ ♂.

Material examined.

CHINA • 1 ♀; Hebei, Xinglong County, Wulingshan National Nature Reserve ; 40°31'N, 117°20'E; 29. VIII. 1973; coll. Jikun Yang, sweep net ( YNAU) ; CHINA • 6 ♀♀ 2 ♂♂; Hebei, Xiaowutaishan ; 39°56'N, 114°58'E; 17–22. VI. 2009; coll. Zhenhua Zu; sweep net ( YNAU) ; CHINA • 6 ♂♂; Shanxi, Qinshui County; 35°26'N, 113°47'E; 22. V. 2012; coll. Li Jian; sweep net ( YNAU) ; CHINA • 1 ♂; Yunnan, Zhaotong City , Ludian County; 26°12'N, 103°17'E; 18. VII. 2016; coll. Yuxiang Chen; sweep net ( YNAU) ; CHINA • 1 ♂; Heilongjiang, Yichun City, Fenglin National Nature Reserve ; 48°06'N, 128°61'E; 23. VII. 2008; coll. Yiping Wang; sweep net ( YNAU) .

Diagnosis.

Female. Body length 10.1–13.7 mm; fore wing 8.0– 11.6 mm. Body largely black, following markings whitish yellow: narrow stripes along inner orbit and posterior margin of eyes, posterior margin of pronotum (medially interrupted), a spot on tegulae, paired basolateral roundish spots on T 1, paired basal transverse spots on T 2, T 3 and T 5 (sometimes connected), dorsobasal spot on hind tibia (Fig. 6 A – D ). Spur brown; squamiform pubescence usually brown (Fig. 6 D ). Male. Body length 7.6–10.5 mm; fore wing 6.8–8.0 mm. In addition to spots seen in female, basal transverse line (or shortly interrupted medially) on T 2, T 3 and T 7 whitish yellow; ventral face of fore tibia and basal half of hind tibia reddish yellow (Fig. 7 A ); spur white, and ventral faces of antennal flagellomeres brownish ( Smith 1873; Bingham 1897; Kim 2022; Anju et al. 2024).

Distribution.

Palearctic region: European part (Centre, North Caucasus), Eastern Siberia (Irkutsk Prov.), Far East (Amur Prov., Khabarovsk Terr., Primorskii Terr., Kurils), Europe (Western, Southern, Eastern), Turkey, China (Heilongjiang, Liaoning, Hebei, Henan, Shanxi, Jiangxi, Zhejiang, Fujian, Yunnan), South Korea, Japan (Hokkaido, Honshu, Shikoku, Kyushu, Tsushima, Izu, Ryukyu); Oriental region: China, Philippines ( Bingham 1897; Wahis 2007; Amiresmaeili et al. 2011; Ghahari et al. 2014; Loktionov and Lelej 2014, 2017; Kim 2022; Anju et al. 2024).

Figures

Figure 6. A – F. Episyron arrogans (Smith, 1873), ♀. A. Female, lateral view; B. Head, frontal view; C. Head, dorsal view; D. Postnotum, propodeum, dorsal view; E. Fore wing and hind wing; F. Fore tarsus. Scale bar: 1.0 mm.

Figure 7. A – H. Episyron arrogans (Smith, 1873), ♂. A. Male, lateral view; B. Head, frontal view; C. Head, dorsal view; D. Postnotum, propodeum, dorsal view; E. Fore wing and hind wing; F. Genitalia, ventral view; G. Genitalia, dorsal view; H. Hypopygium, ventral view. Scale bar: 1.0 mm.