Lasioglossum (Hemihalictus) allodalum Ebmer & Sakagami, 1985

Figs 7D, 8D, 10D

Lasioglossum (Evylaeus) allodalum Ebmer & Sakagami 1985: 301 –302 (in key), 305, Figs 2–3, 9, 12 (♀ ♂) [Holotype: MNHAH (according to Tadauchi et al. 1998, the depository of holotype shown as ELKU); ♀, type locality = Kuriyagawa, Iwate Pref., Japan]; Ebmer 1996: 285.

Evylaeus (Nitidiusculaeus) allodalus: Pesenko 2007b: 84 (in key), 92 (in key), 112, Figs 65–68 (♂).

Diagnosis. According to Ebmer & Sakagami (1985), this species is separated from the other members of the nitidiusculum group by a combination of the following character states: head length/width ratio 0.96–0.98 in female and 1.02 in male; male hind distitarsi normal length, particularly 1st distitarsi approximetry 1.9 × as long as wide; female T2–T3 without white fimbriae on latero-apical margin; female T2 with weaker and less sharper PP; male metasomal sterna homogenously with sparse, loose and erect hairs; and the gonostylus of male genitalia longer, straight and apically less widened in dorsal view (Ebmer & Sakagami 1985, Fig. 12).

Specimens examined. (n = 97) [South Korea] GW: 2♀, Bougmyong-ri, Dongsan-myon, Chunchon-gun, 22– 23. v. 1992 (O. Tadauchi, ELKU) ; Gamjong-ri, Dong-myon, Chunchon-gun, 2♀, 25. iv. 1992 (T. Saigusa & O. Tadauchi, ELKU) , 2♀, 21. v. 1992 (O. Tadauchi, ELKU); 83♀, Mt. Odae-san, alt. 900 m, 9. vi. 2013 (O. Tadauchi, ELKU) ; 2♂, Mt. Gariwang-san, Jeongseon-gun, 30. vii. 2013 (R. Murao, ELKU) . GG: Kwangnung, Pochon-gun, 1♀, 24. iv. 1992 (O. Tadauchi, ELKU) , 1♀, 19. v. 1992 (O. Tadauchi, ELKU). GB: 3♀, Shinwon-ri, Unmun Chongdo-gun, 26–27. iv. 2003 (Y. Maeta, SULE) . JB: 1♀, Sanlyong-ri, Sannae-myon, Namweon-gun, 2. v. 1992 (O. Tadauchi, ELKU) .

Distribution. South Korea, Russian Far East, Japan, Nepal.

Flight period in South Korea. Female: April to June. Male: July.

Flower records in South Korea. This species has been recorded visiting the following 10 plant species in six families: Asteraceae: Taraxacum officinale . Brassicaceae: Sisymbrium luteum . Caprifoliaceae: Lonicera sp. Cornaceae: Cornus sp. Papaveraceae: Chelidonium sp. Rosaceae: Crataegus sp., Malus halliana, Neillia incisa, Prunus sp., Rubus sp.