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Species Page - Trichordestra legitima
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scientific name    Trichordestra legitima    

common name     Striped Garden Caterpillar

habitat
Occurs in meadows, clearings, edges, gardens. etc.

seasonality
The only Alberta record is a single specimen collected July 18, 2001.

identification
A medium-size moth (approx. 2.7 3.833 cm wingspan). Forewings blue-grey moth with rust and black markings. The basal area and the area in and around the reniform rust brown, area before and lower part of reniform black. Orbicular large, clear blue grey. The claviform spot is a contrasting small black or brown filled wedge. Very similar to T. rugosa and in particular T. tacoma, but both lack the rust-brown on the forewings found in legitima. There are also differences in the male genitalia.

life history
Adults are nocturnal and come to light, but also fly and nectar during cloudy days. There is a single annual brood.

diet info
Crumb (1956) reported it was a general feeder, and Handfield (1999) lists over 20 genera of plants. Preferred hosts include slender grasses in the genera Muhlengergia and Agrostis (Godfrey). An occasional pest of garden vegetables, tobacco, grasses and other plantings (Covell, 1984).

range
Widespread in eastern North America; in Canada from Newfoundland west to extreme northeastern Alberta.

notes
The only Alberta record is a single specimen collected July 18, 2001 on the north shore of Lake Athabasca. The illustrated specimen is from Ontario.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=5138



Comments (1)Add New Comment

K (2011-07-01)
Got these guys in Springfield Mo. The caterpillar is striped black brownish and yellow.

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References (4)
Specimen Info
There are 23 specimens of this species in the online database
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Specimen List (23)
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