Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Adela trigrapha (Zeller, 1876)

Family: Adelidae
Subfamily: Adelinae
Identification: males have large eyes, long white antenna 3 times forewing length, black forewing crossed by three white lines which are reduced to two or only traces in some populations. Females have smaller eyes, smaller antenna (1.5 X FWL) and bright orange head. Forewing bright, metallic blue, hindwing purple
Wing Span: 0.55-0.62 cm
Life History:
Caterpillar Hosts: Leptosiphon androsaceus (syn. Linanthus androsaceus) and L. bicolor
Adult Food:
Range: Vancouver Island to southern California, including Santa Rosa and Santa Cruz Islands
Management Needs:
Taxonomy Notes: None.