Thorp, Robbin W.; LaBerge, Wallace E.(Champaign, Ill. : Illinois Natural History Survey, 2005-03)
This work reports on a study of 1,200 specimens segregated into 9 species, 4 of which are new to science. One name is relegated to synonymy. The relationships within the subgenus and with other subgenera of Andrena are ...
LaBerge, Wallace E.; Thorp, Robin W.(Champaign, Ill. : Illinois Natural History Survey, 2005-03)
The subgenus Onagrandrena was first recognized and described by Linsley and MacSwain (1956) to include those black Andrena that are oligolectic on plants of the family Onagraceae and have pollen-collecting hairs modified ...
LaBerge, Wallace E.(Champaign, Ill. : Illinois Natural History Survey, 2001-11)
The genus Tetraloniella was proposed by
Ashmead in 1899 (p. 61) to include a small
Palearctic eucerine bee, Macrocera graia
Eversmann, known to Ashmead only in the
female sex. This specimen and several others
of this ...