Clarkia-specialist
Guides
Hesperapis regularis
Clarkia Evening Bee
Hesperapis regularis is an oligolectic bee endemic to California, specialized in collecting pollen exclusively from flowers of the genus Clarkia. Unlike most bees, it is active in the evening hours. Females construct underground nests where they provision chambers with a mixture of Clarkia pollen and nectar for larval development.
Proserpinus clarkiae
Clark's sphinx
Proserpinus clarkiae, known as Clark's sphinx, is a small sphinx moth in the family Sphingidae. It occurs in western North America from British Columbia to Baja California and eastward to the Rocky Mountain states. Adults fly in spring and feed on nectar from diverse flowering plants, while larvae specialize on Clarkia unguiculata.