Lasioglossum (Dialictus) ellipticeps (Bluthgen 1923)
- Dataset
- Synopsis of Lasioglossum (Dialictus) Robertson, 1902 (Hymenoptera, Apoidea, Halictidae) in Japan, the Korean Peninsula and Taiwan
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Insecta
- order
- Hymenoptera
- family
- Halictidae
- genus
- Lasioglossum
- species
- Lasioglossum ellipticeps
biology_ecology
Flight records Female: May to August. Male: July. Flower records 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.
description
Additional description 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. S 7 – S 8 (Fig. 21 E): S 7 with short, apically rounded median process; median process of S 8 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.
description
Figs 20, 21, 22 A, 26 B
diagnosis
Diagnosis This species is similar to Lasioglossum briseis Ebmer and L. eomontanus Ebmer from Far East Asia (Pesenko 2007 b). For the differences between these species, see Pesenko (2007 b).
distribution
Distribution Russian Far East (Yakutia, Khabarovsk and Primorsk Terr., Irkutsk Prov.), Mongolia and the Korean Peninsula (north, new record for south).
materials_examined
Material examined 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).