Ichneumonoid collecting in Alberta
by Albert T. Finnamore
Provincial Museum of Alberta, Edmonton, Alberta
About 20,000 ichneumonoids were collected from the riparian habitat at the ecological preserve in
Writing-on-Stone Provincial Park. The Milk River is one of the northern-most tributaries of the Mississippi
watershed and contains some of the last areas undisturbed by agriculture. Collections were made with
pans and Malaise traps from May 1st to September 30th, more or less the season of activity at that
latitude. Collections from this site will be compared with those collected from a dry exposed grassland site
and also with a boreal peatland where over 650 species of Ichneumonidae have been collected. At this
point it appears that the riparian sites act as agricultural refugia in the grasslands.
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