New species of North American bees of the genus Dufourea (Hymenoptera, Halictidae) with descriptions of two previously undescribed females
The Administration, 1980 - Nature - 21 pages
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Abdomen Abdomen.—Terga Allotype female anal fimbria apical lobes apical margin basal flaps basitarsus Calif carina clypeus to antennal coarse dark brown densely pitted distance from clypeus DUFOUREA eye to galea femur flagellomeres flagellum fringe hairs frons G. E. Bohart galea to maxillary genital capsule hair bands Head.—Face with length including basal lobes inner eye margins integument black interscrobal distance labial palpomere labial palpus lateral ocellus length including basal length of eye length to breadth long as broad longer than broad mandible maxillary palpomere maxillary palpus median apical projection mesepisternum mesoscutum metanotum nearly impunctate Oenothera palpus to labial palpus to lacinia Paratypes polished posteriorly propodeal enclosure propodeum roughened San Luis Obispo scrobal diameter scutellum scutum Series Holotype male slightly longer sparsely pitted sparser sterna striate subapical sublateral terga tergum terminal hair thorax three pit widths tibia tibial scopa twice as long Type Series Holotype ventral vertex VIII with total volsella wing Zacatecas