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Species Page - Gypsonoma fasciolana
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scientific name    Gypsonoma fasciolana    

habitat
Inhabit grasslands and mountainous regions with occasional occurrence in small patches of grassland in boreal regions (Pohl et al. 2010).

seasonality
Adult flight periods occur from May to July (Pohl et al. 2010).

identification
This genus has a forewing pattern that is uniform with the basal patch and median fascia well defined. This well defined region is also separated by an interfascial band of contrasting, lighter coloration. Male moths lack costal folds and notching near the base of their antennae. Male genitalia consist of a prominent clasper on the basal excavation margin and a cluster of long scales on the tegumen (near the area where the tegumen articulates with the vinculum). Female genitalia consist of two tacklike signa with some degree of sclerotization of the ductus bursae. The sculpturing of the sterigma is different between species (Heinrich 1923, Miller 1987, Gilligan et al. 2008). This species has an alar expanse of 13-18mm (with their forewings 6-8mm in length) (Heinrich 1923, Miller 1987). The forewings have dark areas and markings that are grayish brown or brownish black in coloration. The hindwings are paler than the forewings. This moth can be distinguished from other moths of this genus by the two white interfascial bands on the forewing bordering the dark median fascia. Specimens found in Wyoming may have these areas moderately suffused with brownish-gray irrorations (Gilligan et al. 2008).

life history
In North America, this genus consists of leaf-rolling larvae that feed within their rolled leaves of Salix and Populus (Miller 1987). These larvae then pupate (mostly likely hibernate as larvae or pupae) and emerge from their leaf rolls as adults in July (Razowski 2003). Most likely multiple generations per year at lower latitudes.

conservation
No information available.

diet info
The larva is a leaf-roller and feeds on Salix (willow), Populus balsamifera (balsam poplar), and Populus tremuloides (quaking aspen) (Prentice 1966).

range
This genus has a primarily Holarctic range with seven species recognized in North America (Nova Scotia to British Columbia, south to Maine, Massachusetts, New York, Pennsylvania, New Jersey, Arkansas, and Wyoming) (Gilligan et al. 2008, Fernald 1882, Pohl et al. 2010).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=19210



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References (7)
Specimen Info
There are 87 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (87)
Related Links
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