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Native bicingulatum halictid

Scientific Name
Lasioglossum (Chilalictus) bicingulatum
Scientific Author
(Smith, 1863)
Taxonomy
(Hymenoptera: Halictidae: Halictinae: Halictini)

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Labrum

Diagnostic Notes

_Halictus bicingulatus_ Smith, F. 1853. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part I. Andrenidae and Apidae. London : British Museum 197 pp. [57]. **Type data:** Holotype f (presumed lost), Melbourne, VIC. **Synonyms**: _Halictus festivus_ Rayment, T. 1935. A Cluster of Bees. Sixty essays on the life-histories of Australian bees, with specific descriptions of over 100 new species, and an introduction by Professor E.F. Phillips, D.Ph., Cornell University, U.S.A. Sydney : Endeavour Press. 752 pp. [707]. **Type data**: Holotype ANIC f, West Warburton, VIC. _Halictus haematopus_ Cockerell, T.D.A. 1914. Some Tasmanian bees. Entomologist 47: 305–308 [307]. **Type data**: Holotype BMNH Hym.17.a.989 f, Launceston, TAS. _Halictus leai_ Cockerell, T.D.A. 1910. New and little-known bees. Transactions of the American Entomological Society 36: 199–249 [237].
Type data: Holotype BMNH Hym.17.a.968 ?, VIC. _Halictus sanguinipes_ Cockerell, T.D.A. 1914. Descriptions and records of bees. LIX. Annals and Magazine of Natural History 8 13: 504–522 [513]. **Type data**: Holotype USNM 58177 f, Windsor, VIC. **Diagnosis**. Most like _L. aquilonium_, see that species. Both sexes black, female metasomal posterior marginal areas light red-brown. Female with frons above antennal bases weakly concave, reticulate, mesoscutum anterior margin distinctly bilobed, surface dull, densely punctate, dorsal surface of propodeum weakly ruguloso-striolate, defined posteriorly by carinae just below dorsal surface, carinae form a ridge. Male with antennae long, AS4:AS2+3=1.4, paraocular areas hair forming a mat, S2 with posteriorly directed hair, S3-S4 with posterolaterally directed hair, S5-S6 with posteromesially directed hair.

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