Rank Species | Genus Proserpinus Order Butterflies and moths | |
 | ||
Similar Proserpinus, Proserpinus lucidus, Hemaris thetis, Sphinx perelegans, Proserpinus flavofasciata | ||
Proserpinus clarkiae (Clark's sphinx) is a moth of the family Sphingidae. It is known from British Columbia and Washington south through California to Baja California, east to Idaho, Wyoming and Utah. The habitat consists of oak woodland and pine-oak woodland in foothills.
Contents
Description
The wingspan is 30–38 mm. The forewing underside basal orange colour is vestigial or absent. The hindwing upperside is pale-orange or yellowish and the marginal band of the hindwing is black.
Biology
Adults are on wing from mid March to June in one generation per year. They feed on the nectar of various flowers, including Salvia columbariae, Asclepias cordifolia, Ribes aureum, Dichelostemma capitatum, Clarkia, Vicia, Cirsium and Stachys species.
The larvae feed on Clarkia unguiculata.