Erynnis brizo, the sleepy duskywing or banded oak duskywing, is a species of Hesperiidae butterfly that occurs throughout North America and is commonly confused with E. juvenalis and E. lucilius.[3] The species is listed as threatened in Connecticut and Maine.[4]
The upper forewing is blackish brown with continuous bluish-brown spots. The hindwing is almost completely brown with lighter brown spots. The caterpillar of this species is small and gray green with purplish tips. There is a faint lateral white stripe. Unlike most caterpillars Hesperiidae have distinct heads and the E. brizo's head is brown with an orange spot.[5]
This small Erynnis stays in oak-pine barrens and cut-over forest. It can be seen near forest edges including near roads, train tracks and towns.
The larvae consume Scrub oak (Quercus ilicifolia) and other shrubby oaks. The adults consume Nectar from flowers of heaths (Ericaceae) including wild azalea and blueberry; also blackberry and dandelion.[6]
Erynnis brizo, the sleepy duskywing or banded oak duskywing, is a species of Hesperiidae butterfly that occurs throughout North America and is commonly confused with E. juvenalis and E. lucilius. The species is listed as threatened in Connecticut and Maine.
Erynnis brizo is een vlinder uit de familie van de dikkopjes (Hesperiidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1832 door Boisduval & Le Conte.
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