Erynnis afranius
Encyclopedia
Afranius Duskywing or Bald Duskywing (Erynnis afranius) is a butterfly
of the Hesperiidae family. It is found from northern Mexico
through central United States to southern Alberta
, Saskatchewan
, and Manitoba
.
The wingspan
is 25–31 mm. There can be two generations from mid-May to late August.
The larvae feed on Lupinus spp., Lotus
spp., and Thermopsis rhombifolia
.
Butterfly
A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...
of the Hesperiidae family. It is found from northern Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
through central United States to southern Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...
, Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....
, and Manitoba
Manitoba
Manitoba is a Canadian prairie province with an area of . The province has over 110,000 lakes and has a largely continental climate because of its flat topography. Agriculture, mostly concentrated in the fertile southern and western parts of the province, is vital to the province's economy; other...
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is 25–31 mm. There can be two generations from mid-May to late August.
The larvae feed on Lupinus spp., Lotus
Lotus (genus)
Lotus is a genus that includes bird's-foot trefoils and deervetches and contains many dozens of species distributed world-wide. Depending on the taxonomic authority, roughly between 70 and 150 are accepted. Lotus is a genus of legume and its members are adapted to a wide range of habitats, from...
spp., and Thermopsis rhombifolia
Thermopsis rhombifolia
Thermopsis rhombifolia, also known as Golden Bean, Buffalo Bean, Wet Tooth, and Buffalo Flower, is a hardy perennial native to the North American plains....
.
External links
- Afranius DuskywingErynnis pacuviusPacuvius Duskywing, Dyar's Duskywing, or Buckthorn Dusky Wing is a butterfly of the Hesperiidae family. It is found in most of the western United States and in southern British Columbia.The wingspan is 29–33 mm...
, Nearctica - Afranius Duskywing, BugGuide
- Afranius Duskywing, Butterflies and moths of North America