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Species Page - Scoliopteryx libatrix
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scientific name    Scoliopteryx libatrix    

common name     The Herald

Wooded areas.

Adults fly in Alberta from late March through early October, with a gap in July. Adults hibernate.

Unmistakable. A medium-size (3.8-4.3 cm wingspan) orange-brown moth with falcate and strongly scalloped forewings. The forewing is crossed by a faint antemedian and prominent, slightly curved, doubled pale postmedian line. A broad brighter orange basal streak expands into the median area. The hindwings are dull orange-brown. Antennae of males are bipectinate. Scoliopteryx belongs to the Noctuid subfamily Catocalinae.

life history
The Herald emerges from the pupae in late summer or early fall, then hibernates. Hibernating adults may be found in barns and other buildings, and numbers have been found in limestone caves in Manitoba. The adults re-appear in spring and lay eggs. The larvae, which are solitary defoliators on willow and poplars, are bright green with a yellow dorsal stripe. The larvae pupate in summer, in a slight cocoon between leaves of the host-plant. Adults are nocturnal and come to both light and sugar bait. The larva is illustrated in Ives and Wong (1988) as well as with adults on a number of websites

An uncommon but very widespread species; no concerns.

diet info
Mainly willow of many species (Salix spp.), also poplar (Populus sp.) (Prentice, 1962).

Holarctic; in North America from NFLD to Vancouver Island, south to northern Mexico. Throughout the wooded areas of Alberta.

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Related Species Info
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References (3)
Specimen Info
There are 70 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (70)
Related Links
Moth Photographers Group


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