Erynnis icelus

Dreamy duskywing
Conservation status
	; Secure (NatureServe)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Hesperiidae
Genus:	Erynnis
Species:	E. icelus
Binomial name
	Erynnis icelus; (Scudder & Burgess, 1870)
Synonyms
	List Nisoniades icelus Scudder & Burgess, 1870; Nisoniades icelus Lintner, 1872; Nisoniades bautista Plötz, 1884; Nisoniades hamamaelidis Scudder, 1889; Thanaos icelus (Scudder & Burgess, 1870) ;

Erynnis icelus, also known as the dreamy duskywing or aspen dusky wing, is a species of butterfly in the family Hesperiidae. It is found in boreal North America.

The wingspan is 29–38 mm. There is one generation with adults on wing from April to early July. There might be a rare second generation in the southern Appalachian Mountains.^{[citation needed]}

The larvae are pale green with multiple white dots. Its heart is visible as a green, middorsal stripe.^[2]

The larvae feed on Salix, Populus and sometimes Betula species. Adults feed on nectar from flowers of blueberry, wild strawberry, blackberry, Labrador tea, dogbane, New Jersey tea, winter cress, purple vetch and lupine.^{[citation needed]}

References

^ "NatureServe Explorer 2.0 Erynnis icelus Dreamy Duskywing". explorer.natureserve.org. Retrieved 27 September 2020.
^ Wagner, David L. (25 July 2005). Princeton Field Guide to Caterpillars of Eastern North America. Princeton University Press. p. 63. ISBN 0691121443.

External links

Nearctica
BugGuide
Dreamy Duskywing, Butterflies of Canada

This Pyrginae-related article is a stub. You can help Wikipedia by expanding it.

[1] "NatureServe Explorer 2.0 Erynnis icelus Dreamy Duskywing". explorer.natureserve.org. Retrieved 27 September 2020.

[2] Wagner, David L. (25 July 2005). Princeton Field Guide to Caterpillars of Eastern North America. Princeton University Press. p. 63. ISBN 0691121443.

[1]

[2]