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Species Page - Metanema determinata
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scientific name    Metanema determinata    

common name     Dark-banded Thorn, Dark Metanema

habitat
Deciduous and mixedwood forests and woodlands.

seasonality
Flies from mid May to mid July, most common in the latter half of June.

identification
Wings two-toned grey with two straight, yellow-tan transverse lines on the forewing. Median area between AM and PM lines darker grey. Black forewing discal spot small or absent. Similar to M. inatomaria, which lacks the darker contrasting band between the two transverse lines and has yellow scales within the dark discal spot (determinata has an all-black discal spot).

life history
The mottled brown-grey and slightly flattened larva blends in well with tree bark. The pupa overwinters (Wagner et al 2001). Adults fly up when disturbed during the day, and also come to light at night.

conservation
Not of concern.

diet info
Larvae feed on willows (Salix spp.) (Prentice 1963).

range
Found throughout most of North America, from the Yukon, NWT and central BC east to Nova Scotia, south to MD, NE and NM (McGuffin 1987, Wagner et al. 2001).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4302



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References (2)
Specimen Info
There are 124 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (124)
Related Links
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