Diadasia is a genus of bees in the family Apidae. Its species are oligolectic, specialized on a relatively small number of plant species.
The eastern miner bee is a species of miner bee in the family Andrenidae. It is found in North America. It is a specialist in pollinating Fabaceae plants.
Leiopodus singularis is a species of bee in the family Apidae. It is found in Central America and North America.
Centris atripes is a species of centridine bee in the family Apidae. It is found in Central America and North America. It is a pollinator of Krameria erecta as well as Senna wislizeni of the painteri variety, which it pollinates during the rainy season.
Macrotera opuntiae, the sandstone mining bee, is a species of bee in the family Andrenidae. It is found in North America. As the specific name suggests, these bees are pollinators of Opuntia cacti.
Melitoma marginella is a species of chimney bee in the family Apidae. It is found in Central America and North America.
Centris nitida is a species of centridine bee in the family Apidae. It is found in Central America. It has also been introduced to the US state of Florida.
Diadasia australis is a species of chimney bee in the family Apidae. It is found in Central America and North America.
Agapostemon virescens, the bicolored striped sweat bee, is a species of sweat bee in the family Halictidae. It is found in North America, and is the official bee of the city of Toronto. Like other species in its genus, A. virescens nests underground, in aggregations wherein multiple females share a single burrow.
Halictus tripartitus is a species of sweat bee in the family Halictidae. It is partially eusocial, with nests connected underground and some workers capable of reproducing. The species is a pollinator of Silene spaldingii.
Ptilothrix bombiformis, known generally as the hibiscus bee or eastern digger bee, is a species of chimney bee in the family Apidae. It is found in Central America and North America.
Diadasia diminuta, the globe mallow bee, is a species of chimney bee in the family Apidae. It is found in Central America and North America.
Bombus sonorus, commonly known as the Sonoran bumble bee, is a species of bumble bee in the family Apidae. It is found in Central America and western and southwestern North America. Considered uncommon, it is sometimes categorized as a subspecies of Bombus pensylvanicus.
Bombus californicus, the California bumble bee, is a species of bumble bee in the family Apidae. Bombus californicus is in the subgenus Thoracobombus. It is found in Central America and the western half of North America. Bombus californicus is classified as Vulnerable by the IUCN.
Ceratina sequoiae is a species of small carpenter bee in the family Apidae. It is found in North America. It is a specialist on Clarkia flowers.
Diadasia ochracea, the ochraceous chimney bee, is a species of chimney bee in the family Apidae. It is found in Central America and North America.
Diadasia rinconis is a species of chimney bee in the family Apidae. It is found in Central America and North America. In the Sonoran Desert, D. rinconis is considered the "cactus bee" as it feeds almost exclusively on a number of Sonoran Desert cactus species, its life cycle revolving around the flowering of the native species of cacti.
Cemolobus is a genus of long-horned bees in the family Apidae. There is one described species in Cemolobus, C. ipomoeae. It is an oligolectic pollinator of morning glories.
Ptilothrix relata is a species of chimney bee in the family Apidae. It is found in South America.
Ptilothrix sumichrasti is a species of chimney bee in the family Apidae. It is found in South America.
