Type data: Holotype BMNH Hym.17.a.897 ?, Australia (as New Holland).
Halictus vividus Smith, F. 1879. Descriptions of New Species of Hymenoptera in the Collection of the British Museum. London : British Museum xxi 240 pp. [35].
Type data: Holotype BMNH Hym.17.a.904 ?, Swan River, WA.
description
Diagnosis: Like L. greavesi but with different mesoscutal punctation. Both sexes metallic green. Female: Frons elongate, striate, mesoscutum with dull sheen, mesially sparse to openly punctate, parapsidal areas openly punctate, dorsal surface of propodeum rugulosopunctate, defined by strong posterolateral carinae set well below dorsal level, fore tibial spur fan shaped. Male: Antennae moderately long (FL 2.24 x UID), AS4 equal to AS2+3, distal three flagellar segments swollen, genal hair long, forming a beard, dense cover of long hair on fore coxae, S3-S4 with hair forming V-shaped pattern with lateral tufts on S4, forewings with 2nd r-m weaker than 1st r-m.
Remarks: Lasioglossum florale is the most commonly collected metallic Lasioglossum s.1. species in the dry areas of the Nullarbor and southern Western Australia. In the sand dunes at
Eucla (Western Australia), thousands of specimens were observed forming "clouds" of insects feeding on
