May. They lay eggs singly on various species of wild buckwheat leaves. After hatching the caterpillar starts eating the underneath of the hostplant, wild buckwheat. The genus is found in North America and is known as wild buckwheat. Others include Nuttall's scrub oak, desert sand verbena, and vanishing wild buckwheat. This wild buckwheat is quite variable in appearance. Eriogonum sphaerocephalum is a species of wild buckwheat known by the common name rock buckwheat. St. Catherine's lace, is a species of wild buckwheat in Southern California. Eriogonum plumatella is a species of wild buckwheat known by the common name yucca buckwheat. Eriogonum prociduum is a species of wild buckwheat known by the common name prostrate buckwheat. Eriogonum latens is a species of wild buckwheat known by the common name Inyo buckwheat. Eriogonum incanum is a species of wild buckwheat known by the common name frosted buckwheat. Eriogonum microthecum is a species of wild buckwheat known by the common name slender buckwheat. Eriogonum luteolum is a species of wild buckwheat known by the common name goldencarpet buckwheat. Eriogonum ochrocephalum is a species of wild buckwheat known by the common name whitewoolly buckwheat. Eriogonum rosense is a species of wild buckwheat known by the common name rosy buckwheat.