Atypical Wing Venation in Dialictus and Hemihalictus and Its Implications for Subgeneric Classification of Lasioglossum

Table 1

Characteristics of Hemihalictus, Dialictus, Evylaeus, and Chloralictus type species.

Genus-group name	Type species	Date of publication	Vein 1rs-m	Integument colour	Female inner hind tibial spur	Male flagellomere length
Hemihalictus Robertson	Panurgus lustrans Cockerell	1897, p. 288	Absent	Nonmetallic	Serrate/denticulate	short
Dialictus Robertson	Halictus anomalus Robertson	1 Feb. 1902, p. 48	Absent	Metallic	Pectinate	short
Evylaeus Robertson	Halictus arcuatus Robertson${}^{*}$	10 Sep. 1902, p. 247	Present	Nonmetallic	Serrate/denticulate	long
Chloralictus Robertson	Halictus cressonii Robertson	10 Sep. 1902, p. 248	Present	Metallic	Pectinate	long

${}^{*}$Junior subjective synonym of Halictus cinctipes Provancher.