Ellis, 1913 : 205
Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini)
Gibbs, Jason
Zootaxa
2011
2011-10-28
3073
1
216
3SF64
Ellis
Ellis
[151,702,390,416]
Insecta
Halictidae
Lasioglossum
Animalia
Hymenoptera
184
185
Arthropoda
species
succinipenne
Dialictus
Halictus succinipennis Ellis, 1913: 205. Ƥ.
Holotype.Ƥ USA, Colorado, Florissant, 14.vi.1948on sand (S.A. Rohwer); [ NMNH: 28200]. Examined. Taxonomy. Michener, 1951: Lasioglossum( Chloralictus) succinipenne, p. 1118 (catalogue); Hurd, 1979: Dialictus succinipennis, p. 1972 (catalogue); Dialictus succinipennis, p. 1972 (catalogue); Moure & Hurd, 1987: Dialictus succinipennis, p. 132 (catalogue); Gibbs, 2010b: Lasioglossum( Dialictus) succinipenneƤ3, p. 317 (redescription, key).
Diagnosis.Female L. succinipennecan be recognised by the following diagnostic combination: head long (length/ width ratio = 1.05–1.09), clypeus apicolateral margins weakly convergent, supraclypeal area elongate, mesoscutal punctures dense throughout (i<d), metapostnotum rugoso-carinulate, and metasomal terga metallic, with dense, whitish tomentum. They are most similar to L. pilosumand L. leucocomum. Female L. pilosumhave subparallel apicolateral margins of clypeus and distinctly yellowish pubescence. Female L. leucocomumhave a shorter supraclypeal area. Male L. succinipennecan be recognised by the following combination: head long (length/width ratio = 1.09–1.21), eyes strongly convergent below (UOD/LOD ratio = 1.38–1.48), clypeus yellow distally, mesoscutal punctures dense, mesepisternum with obscure punctures, metapostnotum rugoso-carinulate, metasomal terga metallic with dense and distinct punctures. They are most similar to L. pilosum, which lacks mesepisternal punctures. Range.Alberta and Manitoba south to Colorado, west to Illinois and southern Ontario. USA: CO, IL, MN, NE, WI. CANADA: AB, MB, ON. DNA Barcode.Available. Multiple sequences.
Comments.Common in Midwest. Until recently, L. succinipennewas only known from Colorado. It was later identified from Manitoba ( Patenaude 2007) and subsequently from numerous Midwestern sites (Wolf & Ascher 2009; Gibbs 2010b).