Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Meridian Duskywing
Erynnis meridianus Bell, 1927

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes of hindwing are pale-tipped. Wings are black. Pattern on upperside of forewing has very little contrast with background. Transparent spots are small in the male, large in the female. Underside of hindwing is a uniform brown; spots below apex are very small or absent. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 5/8 - 1 7/8 inches (4.2 - 4.8 cm).
Life History: Males perch on hilltops to wait for females. Fully-grown caterpillars hibernate.
Flight: Two broods from March-September in the Southwest.
Caterpillar Hosts: Arizona white oak (Quercus arizonica) and plateau oak (Q. fusiformis); perhaps others.
Adult Food: Flower nectar.
Habitat: Oak thickets in foothills.
Range: Southern Nevada, Arizona, New Mexico, and west Texas south to Mexico City.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Get your BAMONA Gear!

Hoodies and t-shirts in two designs!

Advertise with us!

Do you have a product or service that you think would interest BAMONA users? If you would like to advertise on this website, contact us by email, or use the contact form and select the "Advertising" category.