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Species Page - Eurygaster alternata
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scientific name    Eurygaster alternata    

habitat
Prefers moist habitats. Associated with swampy areas and hedges (McPherson 1983).

seasonality
In Alberta, this species has been collected from June to August.

identification
7.5- 9.5 mm. The genus Eurygaster is easily told from other Albertan genera by its narrow scutellum which exposes the hemylytra for its entire length. Both E. alternata and E. amerinda are similar in appearance, although E. alternata is somewhat smaller and is generally found in wetter habitats (McPherson 1982). Colour and patterning in both species can be quite variable.

life history
This species has been preyed upon by lizards, birds, and asilid flies, and is used in nest provisioning by the astatid wasp Dryudella montana (Cresson) (McPherson 1982).

diet info
Phytophagous

range
E. alternata is found throughout the continental United States south to New Mexico and north through much of Canada, even reaching the Northwest Territories (Maw et al. 2000). Within Alberta, this species has been taken near Cypress Hills (partly treed plateau, up to 4,800 feet), Medicine Hat, Lethbridge (short-grass prairie), Calgary (short and long-grass prairie), Beaverlodge (mixed northern forest and parkland), and Cochrane (foothills) (Strickland 1953).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2491



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References (4)
Specimen Info
There are 3 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (3)

 

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