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Species Page - Eremobina claudens |
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Eremobina claudens ->species page |
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| scientific name Eremobina claudens (Walker) common name Dark-winged Quaker; Alberta Quaker (ssp. albertina) habitat Deciduous and mixedwood forest and edges. seasonality In Alberta adults are on the wing in August and early September. identification A medium-sized (2.8-3.4 cm wingspan) grey moth with black and white markings. The forewings have a short black basal dash, bordered on the upper side with a pale line that usually meets the lower antemedian line and joins it to form a curved doubled loop to the lower margin. The orbicular and reniform spots are large and filled with pale scales, and the area between the two spots is usually filled with darker scales. The postmedian line is sinuous and made up of a series of pale crescents between the veins, bordered on the lower end with dark scales basad and pale scales distad. The fringes are grey, lightly checkered with pale scales marking the veins. Hindwings are grey, lighter towards the base, and the fringes are not checkered. The antennae are simple, and sexes are alike. The overall color of specimens ranges from almost black to pale pearl grey, with paler specimens ("jocasta") in drier habitats and darker ones in more mesic ones. life history Little is known. Adults are single brooded, with a fall flight, and are attracted to light. conservation A widespread and fairly common moth; no concerns. range Boreal America, from Newfoundland west to Yukon, Alaska and Vancouver Island; south to at least Montana. In Alberta it is found throughout the southern Boreal forest, foothills and lower elevations in the mountains, as well as in parts of the aspen parklands. Populations from MB west have been named subspecies albertina. notes Alberta and Saskatchewan populations of claudens have been named subspecies albertina, the Alberta Quaker. Many Alberta specimens, in particular those from the more xeric habitats, have been identified previously as E. jocasta. More work is needed to clarify the relationship of these "species". The common names used above are from Holland (1968) and are updated to "Quaker" from "Hadena" as claudens is no longer placed in the genus Hadena. quick link http://www.entomology.ualberta.ca/searching_species_details.php?s=6385
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