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Species Page - Amara ovata
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scientific name    Amara ovata    

habitat
It habituates dry and open habitats. Gravelly grounds and sandy to loam soil structures are favored. Tall grassy patches often colonized. Cruciferous vegetation is usually preferred. It is also found in the vicinity of areas colonized by human population and has been noted in railway embankments, city roads etc. (Lindroth, 1992).

identification
Adults are stout. Females measure about 10 - 11mm and males are 9 - 10 mm in length. Body is dorsally greenish metallic while it is black in colour ventrally. Male genitalia are slender and slightly curved and tapered at apex. Antennomeres vary in coloration with basal 1 - 3 segments black and 4 - 11 segments red. Tibiae are red while femora and tarsi are red to reddish black in color (Avgine and Emre, 2009).

life history
The adults emerge in spring, mate and start oviposition. Larvae are present in field from July to September. There are three larval instars (Saska and Honek, 2003). Larvae pupate in soil in their final stadium and emerge as sexually immature adults in August. They do not mate and overwinter inside soil to emerge again in next spring. This species is a typical spring breeder (Lindroth, 1992).

conservation
Information not available.

diet info
Adults are granivorous and feed on seeds of cruciferous plant species such as Barbaraea vulgaris. The species has been found active in crops of winter wheat and winter rape (Honek and Jarosik, 2000). However, larva is carnivorous (Blunck, 1925).

range
It is a Palearctic species and distributed in Europe, Asia Minor, Siberia and Japan. It was introduced in North America in 1928 in Ontario, Toranto. In Canada, it is distributed in Alberta, British Columbia, Ontario and Quebec (CBIF, 2010, Lindroth, 1945). It has been reported recently from Atlantic Canada and has been recorded in Nova Scotia (Majka et al., 2006).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=29226



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References (6)
Specimen Info
There are 21 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (21)

 

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