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Species Page - Colocasia propinquilinea
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scientific name    Colocasia propinquilinea    

common name     Closebanded Yellowhorn

habitat
Deciduous and mixedwood forest.

seasonality
In Alberta, adults have been collected in May and early June.

identification
A medium-size (3.5-4.5 cm wingspan) dull grey moth with few markings. The forewings are grey with the obscure markings defined by raised black scales (visible under magnification). The orbicular is a small dark ringed dull white spot. The reniform is a white oblong, faintly and incompletely outlined with black and with a black bar or spot in the center. Normal lines obscure, marked with a black spot where they meet the costa. The hindwings are dull even grey. Fringes of both wings are checkered with black, grey and white scales. The sexes are similar, except the male antennae are bipectinate but simple in the females. Very similar to the Yellowhorn (Colocasia flavicornis) which may also occur in eastern Alberta. The Yellowhorn has the lower half of the median area of the forewing darker and contrasting with the remainder of the forewing.

life history
Adults are nocturnal and come to lights. There is a single brood each year. The larvae are solitary defoliators on deciduous trees.

conservation
In Alberta, very scarce and at the western edge of its range.

diet info
No Alberta data; elsewhere in Canada, a variety of deciduous trees including willow (Salix sp.), Manitoba maple (Acer negudo), Trembling aspen (Populus tremuloides), Largetooth aspen (Populus grandidentata), Silver Maple (Acer saccarinum), Basswood (Tilia americana) and White birch (Betula papyrifera). White birch is by far the most frequently recorded host.

range
From Newfoundland west across the southern edge of the Boreal forest to central Alberta, south to North Carolina, Missouri, and Arkansas. In Alberta, it has been found along the southern edge of the Boreal forest, west to Redwater.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=1499



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References (3)
Specimen Info
There are 29 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (29)
Related Links
Moth Photographers Group

 

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