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Species Page - Anaphothrips obscurus
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scientific name    Anaphothrips obscurus    

habitat
Various grasses and cereals, Poa sp., Calamagrostis canadensis, Bromus sp.

seasonality
Adults collected in June, July, and August.

identification
Body is around 1.5mm in length, not heavily reticulated, and yellowish. Antennae have 9 segments, though the suture between segments 6 and 7 is not complete. Antennal segments 3 and 4 have forked sense cones (Stannard, 1968). Pronotum lacks conspicuous setae. Macropterous forms are most common, but brachypterous and apterous forms may also occur (Bailey, 1957). Forewings are grayish yellow (Stannard, 1968).

life history
Females of A. obscurus hibernate in the shoot sheaths of grasses over the winter. There is both a macropterous, and brachypterous form for females of this species (Ananthakrishnan, 1984). Males are unknown in North America (Heming).

conservation
Is considered a pest as it can be quite destructive to oat and wheat crops (Ananthakrishnan 1984).

diet info
Feeds on grasses, or the heads of grasses (Stannard, 1968).

range
Generally found in temperate regions of the world (Mound and Kibby, 1998), including Quebec, Ontario, Alberta & B.C. in Canada (Chiasson, 1986).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=3515



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References (6)
Specimen Info
There are 82 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (82)

 

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