Books by Paul David Hurd
An annotated catalog of the ha
An annotated catalog of the halictid bees of the Western Hemisphere (Hymenoptera, Halictidae)
Principal sunflower bees of North America with emphasis on the Southwestern United States (Hymenoptera, Apoidea)
An annotated catalog of the carpenter bees (genus Xylocopa Latreille) of the Western Hemisphere (Hymenoptera, Anthophoridae)
The bee family Oxaeidae with a revision of the North American species (Hymenoptera, Apoidea)
The principal Larrea bees of t
The principal Larrea bees of the southwestern United States (Hymenoptera, Apoidea)
Ecology of the squash and gourd bee, Peponapis pruinosa, on cultivated cucurbits in California (Hymenoptera
Parasitic bees of the genus Holcopasites Ashmead (Hymenoptera: Apoidea)
A classification of the squash and gourd bees Peponapis and Xenoglossa (Hymenoptera: Apoidea)
A classification of the large
A classification of the large carpenter bees (Xylocopini, Hymenoptera: Apoidea)
American bees of the genus Dio
American bees of the genus Diozys Lepeletier and Serville
The carpenter bees of Californ
The carpenter bees of California (Hymenoptera: Apoidea)
The megachiline bees of Califo
The megachiline bees of California (Hymenoptera : Megachilidae)
Revision of the Nearctic speci
Revision of the Nearctic species of the pompilid genus Pepsis (Hymenoptera, Pompilidae)
The Scoliidae of California (H
The Scoliidae of California (Hymenoptera: Aculeata)
The California velvet ants of
The California velvet ants of the genus Dasymutilla Ashmead (Hymenoptera: Mutillidae)
The melectine bees of Californ
The melectine bees of California (Hymenoptera: Anthrophoridae)
Systematics of the California
Systematics of the California species of the genus Pepsis Fabricius (Hymenoptera: Pompilidae)