Latin Name:  Pieris oleracea Harris 1929
                        (N. Kondla, det.)

Wingspan: 40 - 45 mm

Range:  All of Alberta

Habitat:  Open woodlands

Time of year seen:  April to August (Additional Sightings)

Caterpillar's Diet: Mustard Family plants

Other:  The Mustard White is found though out the boreal region of Canada.  It is found in both deciduous and coniferous forest.  There are two generations per year in Alberta, the first is out in mid-May and the second in July.  The dark under wing veins may be reduced (ie pale) or absent in the second summer generation. (Bird et al, 1995 & Acorn, 1993)