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Species Page - Synaxis formosa
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scientific name    Synaxis formosa    

habitat
Prairie badlands.

seasonality
The only Alberta record is for early September.

identification
A relatively large and robust geometrid, wings grey-brown with heavy, dark grey speckling. Forewing more elongate than usual for this group, with a slightly falcate tip and slight mid-margin points. Dark, jagged AM, PM and subterminal lines, hindwing slightly lighter and with PM line only. The narrow forewing, large size and jagged transverse lines are unique among the larger fall-flying geometrids

life history
Unlike other species in this genus, formosa does not have bright yellowish colouration to mimic fall colours; it's colours are much more subdued, matching the light browns and greys of the end of summer in dry prairie habitats. Virtually nothing is known of this species biology, and the immature stages are undescribed.

conservation
Known in Canada from only two localities. More survey work needed.

diet info
The larval hostplants are unknown.

range
Riske Creek to Lillooet, BC and Dinosaur Prov. Park, AB; south to southern CA and CO (McGuffin 1987, Fischer et al. 2000).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4308



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References (1)
Specimen Info
There are 1 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (1)
Related Links
Moth Photographers Group

 

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