Lasioglossum (Hemihalictus) villosulum Kirby 1802
Creators: name: Murao, Ryuki
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Halictidae
Lasioglossum
Lasioglossum villosulum

description: Lasioglossum (Hemihalictus) villosulum (Kirby, 1802)
Figs 8A, 10 C, 11B, 11D
Melitta villosula Kirby 1802: 62 [Lectotype: Natural History Museum, London, United Kingdom; ♂, type locality = England]. Lectotype designated by Ebmer (1988: 649).
Melitta punctulata Kirby 1802: 66 [Holotype: Natural History Museum, London, United Kingdom; ♀, Barham, England].
Synonymy by Dalla Torre (1896: 90).
Halictus hirtellus Schenck 1869: 311 [Lectotype: Forschungsinstitut Senckenberg, Frankfurt an Main, Germany; ♀, type locality = Elberfeld, near Letmathe, Germany]. Synonymy by Blüthgen (1922a: 48).
Halictus medinai Vachal 1895: 148 [Holotype: in “Mus. Seville”; ♂, type locality = Seville, Spain]. Synonymy by Blüthgen (1923: 239).
Halictus pauperatulellus Strand 1909: 44 [Syntypes: Museum für Naturkunde an der Humboldt Universität zu Berlin, Germany; 2♂, type locality = Blidah-Médéah, Algeria]. Synonymy by Blüthgen (1922b: 318).
Halictus trichopsis Strand 1914: 156 [Holotype: Senckenberg Deutsches Entomologisches Institut, Müncheberg, Germany; ♂, type locality = Taihorin, Formosa (Taiwan), examined]. Synonymy by Blüthgen (1923: 241).
Halictus melanomitratus Strand 1914: 156 [Holotype: Senckenberg Deutsches Entomologisches Institut, Müncheberg, Germany; ♀, type locality = Taihorin, Formosa (Taiwan), examined]. Synonymy by Blüthgen (1923: 241).
Halictus melanomitratus var. mitratolus Strand 1914: 158 [Holotype: Senckenberg Deutsches Entomologisches Institut, Müncheberg, Germany; ♀, type locality = Taihorin, Formosa (Taiwan), examined]. Synonymy by Blüthgen (1923: 241).
Halictus villosulopsis Blüthgen 1926c: 540 [Syntypes: Natural History Museum, London, United Kingdom; 3♀, type locality = Shillong (Assam State), India]. Synonymy by Ebmer (1978a: 207).
Halictus pahanganus Blüthgen 1928: 374, 395 (in key), Fig. 12 [Holotype: Natural History Museum, London, United Kingdom; ♂, type locality = Lubok Tamang (Pehang State), Malaysia]. Synonymy by Ebmer (1978a: 207).
Halictus barkensis Blüthgen 1930b: 224 [Syntypes: Museum für Naturkunde an der Humboldt Universität zu Berlin, Germany; 1♀ 1♂, type locality = Bengazi, Libya]. Synonymy by Warncke (1976: 94).
Halictus villosulus perlautus Cockerell 1938a: 82 [Holotype: Natural History Museum, London, United Kingdom; ♂, type locality = Asni, Morocco]. Synonymy by Warncke (1973b: 290).
Halictus (Evylaeus) rufotegularis Cockerell 1938b: 7 [Holotype: American Museum of Natural History, New York, USA; ♀, type locality = Ifrane, Morocco]. Synonymy by Ebmer (1976a: 253) and Warncke (1976: 95).
Halictus villiersi Benoist 1941: 80 [Holotype: Muséum National d’ Histoire Naturelle, Paris, France; ♀, type locality = Tachdirt pass (Grand Atlas), Morocco]. Synonymy by Warncke (1973b: 290).
Halictus berberus Benoist 1941: 81 [Holotype: Muséum National d’ Histoire Naturelle, Paris, France; ♂, type locality = Djebel M’Goun; Muséum National d’ Histoire Naturelle, Paris, France, Morocco]. Synonymy by Warncke (1976: 94).
Evylaeus villosulus: Pesenko et al. 2000: 234 (in key), 291, Figs 406, 419, 485–487, 582–584 (♀ ♂).
Evylaeus (Truncevylaeus) villosulus: Pesenko 2007b: 84 (in key), 93 (in key), 113, Figs 73–76 (♂).
Diagnosis. Among east Asian Lasioglossum, this species is characterized by a combination of following character states: head wider than long (length/width ratio 0.86–0.94 in female and 0.92–1.01 in male); IS of mesoscutum smooth over entire surface in both sexes; mesepisternum reticulate punctate over entire surface in both sexes; inner hind tibial spur of female serrate; disc of T1 medially with distinct moderately dense PP in both sexes; and female metasomal sterna with well developed scopa. The other members of villosulum group have not been found from eastern Asia.
Specimens examined. (n = 13) [South Korea] GW: 2♀, Dongmyon-gun, Jeong-ri, Chuncheon city, 19. viii. 2001 (Y. Maeta, SULE). GG: 1♀, Buncheon-ri, Bongdam-eup, 23. v. 2011 (W. Kim, ELKU). JJ: 1♀, Jeju Is., 22. x. 2005 (O. Tadauchi, ELKU); 3♀ 1♂, Mt. Halla-san, alt. 1400–1600 m, 25. vii. 1990 (O. Tadauchi, ELKU); 1♀, Orimok-Haeandong, alt. 500–900 m, 13. ix. 1998 (O. Tadauchi, ELKU); Yonsil, Mt. Halla-san, 1♀, 24. vii. 1990 (O. Tadauchi, ELKU), 1♂, 27. vii. 1990 (O. Tadauchi, ELKU); 2♂, Kaewol bridge, Mt. Halla-san, 26. vii. 1990 (O. Tadauchi, ELKU).
Distribution. Widely distributed from the Palearctic to Oriental Region. In eastern Asia, this species is recorded from the following countries: North Korea, South Korea (new record), Mongolia, Siberia, Russian Far East, China, Japan, Taiwan.
Flight period in South Korea. Female: May to October. Male: July.
Flower records in South Korea. Aster yomena yomena (Asteraceae), Lactuca indica (Asteraceae).
description: Published as part of Murao, Ryuki, 2017, Bees of the Hemihalictus series of Lasioglossum Curtis (Hymenoptera, Halictidae) in South Korea, pp. 451-488 in Zootaxa 4268 (4) on pages 464-465, DOI: 10.11646/zootaxa.4268.4.1, http://zenodo.org/record/580871