Figs 20, 21, 22A, 26B
Halictus ellipticeps Blüthgen, 1923: 254 ( holotype: Museum für Naturkunde, Humboldt Universität zu Berlin, Germany, ♀; type locality: Amur, Russia).
Halictus permicus Blüthgen, 1923: 330 –331 ( lectotype: Institute of Systematic and Experimental Zoology, Polish Academy of Sciences, Krakow, Poland, ♂; type locality: “Perm”, designated by Pesenko, 2007b: 117). Synonymized by Ebmer, 1978.
Halictus ( Chloralictus) mayacensis Cockerell, 1924: 582 ( syntypes: U. S. National Museum of Natural History, Smithsonian Institution, Washington, DC, USA, ♀; type locality: Primorsky, Russia); Synonymy by Blüthgen 1931.
Halictus ellipticeps – Hirashima 1957: 7–8.
Lasioglossum ( Evylaeus) ellipticeps Ebmer 1978: 310–311. — Ebmer 1982: 215–216. — Ebmer 1996: 282–283. — Ebmer 2005: 375. — Ebmer 2006: 565.
Evylaeus ( Smeathhalictus) ellipticeps Pesenko 2007a: 28. — Pesenko 2007b: 117.
This species is similar to Lasioglossum briseis Ebmer and L. eomontanus Ebmer from Far East Asia ( Pesenko 2007b). For the differences between these species, see Pesenko (2007b).
SOUTH KOREA: Gangwon-do: 2 ♀♀, Doam Myon Pyongchang-gun, 20 Aug. 2001 (Y. Maeta, SULE); 1 ♀, Mt. Hambaek-san, 14 Aug. 1999 (S. Park, SNU). Jeollabuk-do: JeongLyongChy, SanNaeMeon, NamWeon-gun, 14 ♀♀, 14 May 1991 (O. Tadauchi, ELKU), 1 ♀, 14 Jul. 1991 (K. Kanmiya, ELKU). Ulleung-do: 18 ♀♀, 1 ♂, Chusan, 11 Aug. 1999 (H. Kim, SNU); 3 ♀♀, 2 ♂♂, Jukdo, 12 Aug. 1999 (H. Kim, SNU); 2 ♀♀, Naesujeon, 12 Aug. 1999 (H. Kim, SNU); 1 ♀, 2 ♂♂, Naribunji, 11 Aug. 1999 (H. Kim, SNU); 2 ♂♂, Seoginbong, Dodong, 10 Aug. 1999 (H. Kim, SNU). Gyeongsangnam-do: 1 ♂, Sam- Jeong Ri, 14 Jul. 1991 (K. Kanmiya, ELKU). Jeollanam-do: 3 ♀♀, Jongseokdae, Mt. Jiri-san, 29 Jul. 1999 (H. Kim, SNU); 1 ♀, 1 ♂, Nogodan, Mt. Jiri-san, Gurye-gun, 29 Jul. 1999 (H. Kim, SNU). Jejudo: Yonsil, Mt Halla-san, 50 ♀♀, 24 Jul. 1990 (O. Tadauchi, ELKU), 12 ♀♀, 2 ♂♂, 27 Jul. 1990 (O. Tadauchi, ELKU); 13 ♀♀, 3 ♂♂, Mt Halla-san, alt. 1400–1600 m, 25 Jul. 1990 (O. Tadauchi, ELKU); 1 ♀, Ryuzinkaku, alt. 1600 m, Mt. Hanna, 16 Jul. 1968 ( T. Shirozu, ELKU).
LABRUM ( Fig. 20 C–D). Basal area approximately 2.2 × as wide as long in female; basal elevation moderately developed in female, absent in male; distal process of female slender, nearly as long as basal
area, and without lateral projection, that of male absent; keel of distal process narrow, apically bluntly pointed; labral fimbria acutely pointed at apex in both sexes.
STERNA. S7–S8 ( Fig. 21E): S7 with short, apically rounded median process; median process of S8 slightly present, round or truncate apically, with sparse short hairs.
MALE GENITALIA ( Fig. 21 A–D). Gonobase nearly flat at bottom, ventral arms connected with each other at upper ends; gonocoxite smooth, gently sloping in lateral view, inner and outer dorsal margins nearly parallel; gonostylus small, bud-like in lateral view, located at top of gonocoxite, with sparse short hairs; ventral retrorse lobe tongue-like, long, apex reaching gonobase, with short hairs ventrally, apical hairs longer than around one; penis valve higher than gonocoxite, without cleft on top.
Russian Far East (Yakutia, Khabarovsk and Primorsk Terr., Irkutsk Prov.), Mongolia and the Korean Peninsula (north, new record for south).
Female: May to August.
Male: July.
In South Korea, this species visits the following 10 species in 6 families. Asteraceae: Erigeron annuus (L.) Pers., Lactuca indica L. Balsaminaceae: Impatiens balsamina L., I. noli-tangere L. Campanulaceae: Campanula takeshimana Nakai, Codonopsis lanceolata (Siebold & Zucc.) Trautv., Platycodon grandiflorus (Jacq.) A. DC. Geraniaceae: Geranium sp. Lamiaceae: Agastache rugosa (Fisch. & C.A. Mey.) Kuntze. Lythraceae: Lythrum anceps (Koehne) Makino.