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Species Page - Trichordestra rugosa |
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Trichordestra rugosa ->species page |
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| scientific name Trichordestra rugosa Morrison common name Wrinkled Trichordestra habitat Restricted to bogs and fens. seasonality The Alberta specimens were collected on June 20, 2002. identification A stocky medium-size purple-grey and maroon moth. There are black markings before the orbicular, between the orbicular and reniform and below the reniform, and a prominent, wedge shaped, black claviform spot. No W-mark on the subterminal line, instead a series or 3 or more small prominent dark spots, which are diagnostic. Hindwings fuscous with a prominent discal cresent and a broad black terminal band. See also T. tacoma and T. legitima. life history According to Handfield (1999), females are diurnal and visit flowers during the day, whereas the males are nocturnal and come to light. There is a single annual brood. conservation Rare & local. diet info The only reported hostplant appears to Pyrus melanocarpa (Handfield, op. cit.). range An eastern species, recorded from Newfoundland west to central Alberta where it has been found in single bog-fen complex near Ft. Assiniboine. notes The only Alberta record is a series of 6 collected in a larch fen near Fort Assiniboine by Doug Macaulay. This is the only record of rugosa from east of Ontario. The illustrated specimen is from New Brunswick. quick link http://www.entomology.ualberta.ca/searching_species_details.php?s=6207
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