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Common Name: Red Turnip Beetle Latin Name:
Entomoscelis americana Brown, 1942 (R.
Bercha, det.)
Length: 7 mm
Range: Throughout Alberta
Habitat:
Various
Time of year seen: Summer
and Fall (Additional Sightings)
Diet: Turnip, radish, rapeseed, mustard and canola
Other: The Red Turnip Beetle is a native to North
American and occurs throughout Alberta. Both the adult beetles and the
larvae eat plants in the cabbage family. The Adult beetles are
distinctively colored: bright red with a triangular black mark on the
pronotum and three black stripes on the elytra. The Red Turnip Beetles
lifecycle begins when it over winters as an egg in the ground. In late
April to early May the larvae emerge and begin to feed. By late May
the larvae reach maturity and pupate, with the Adults emerging in early
June. The adult beetles feed for 2-3 weeks, before burrowing back into
the ground for a one month rest period. They re-emerge in July and
August and disperse in search of a mates. There is only one generation
per year. (www.agf.gov.bc.ca/cropprot/turnipbeetle.htm) |