Monardella
Guides
Choristostigma zephyralis
Choristostigma zephyralis is a small crambid moth described from California in 1914. Adults are distinguished by bright sulphur yellow forewings shading to orange yellow at the termen, with prominent purple markings including a costal stripe extending to the reniform spot. The hindwings are sulphur yellow with dark subbasal, discal, and subterminal lines plus purplish suffusion beyond the subterminal line. The species has a wingspan of approximately 23 mm. Larvae feed on Monardella villosa, a California native mint.