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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
Photos from the gathering
 
Photos from the 2007 gathering in Minnesota

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Species Erynnis brizo - Sleepy Duskywing

Sleepy Duskywing - Erynnis brizo Sleepy Duskywing - Erynnis brizo - male Erynnis brizo Erynnis brizo Unk Duskywing Skipper (Sleepy or Dreamy)? - Erynnis brizo Unk Duskywing Skipper (Sleepy or Dreamy)? - Erynnis brizo Erynnis brizo Which skipper? - Erynnis brizo
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies)
Family Hesperiidae (Skippers)
Subfamily Pyrginae (Spread-wing Skippers)
Genus Erynnis (Duskywings)
Species brizo (Sleepy Duskywing)
Other Common Names
Banded Oak Dusky wing
Size
Wingspan 28-41 mm
Identification
Forewings lack translucent spots. Compare Dreamy Duskywing, E. icelus. See Internet, print references.
Range
Eastern United States, plus southwestern United States into Mexico, parts of California.
Habitat
Dry oak or oak/pine woodlands, usually on sandy or shaly soil.
Season
April-May, early June (northern part of range, e.g., New York, Wisconsin), March-April (North Carolina), January-May (Florida, Texas)
Food
Adults take nectar, especially from heath family (Ericaceae) plants. They also take fluids from mud, etc.
Life Cycle
Larvae feed on oaks of dry habitats, including Scrub Oak, Quercus ilicifolia and Black Oak, Quercus velutina. Larvae live in nests of rolled oak leaves and overwinter there, pupate and emerge in spring. Males "hilltop", or patrol hostplants to seek females. One flight per year.
Print References
Glassberg, p. 155, plate 51 (2)
Scott, plate 4 (caterpillar), 42 (adult), fig. 71, #647, p. 488 (3)
Allen, p. 194, plate 25--adult, plate 40--larva (4)