Latin Name:  Polydrusus impressifrons (Gyllenhal, 1834)
                        (R. Bercha, det.)

Length:  7 mm

Range: Alberta

Habitat: 

Time of year seen: Spring to Fall  (Additional Sightings)

Diet: Poplar, birch, willow, oak, rose and strawberry

Other:  The Pale Green Weevil is native to Europe and is an adventive species that was introduced to North America in 1906 at Geneva, New York. As of 2008, Bright (Weevils of Canada and Alaska Volume 2) does not show it being present in Alberta, with the closest record from eastern Saskatchewan. Since that time it has been collected in Medicine Hat in 2010, Frank Lake in 2012, Alyderside in 2013 and Calgary in 2016.  The adult beetles are ~7mm in length and are covered in bright green scales.  There is one generation per year with the adult beetles emerging in spring after over wintering as mature larva and pupating.  Shortly after emerging the adult beetles mate and the female lays her eggs.  The eggs hatch and the larva fall to the base of the host tree where they burrow into the soil and feed on the roots.  The adults are generalist feeders and feed on the leaf margins and buds of a variety of trees including, but not limited to: poplar, birch, elm, willow, oak, rose and strawberry. (Beers et al, 2003 & Parrott et al, 1915)