A synopsis of the world Fauna of the Saltusaphidinae or Sedge Aphids/

by Richards, W. R.
Published 1971

Taxonomy and distribution of the european corn borer and allied species: Genus ostrinia(lepidoptera: pyralidae)/

by Mutuura, Akira
Published 1978

A Monograph of the Western Hemisphere Bumblebees (hymenoptera: apidae: bombinae) : III. The genus pyrobombus subgenus cullumanobombus

by Mıllıron, H. E.
Published 1973

A Monograph of the Western Hemisphere Bumblebees (hymenoptera: apidae: bombinae) : II. The genus megabombus subgenus megabombus

by Mıllıron, H. E.
Published 1973

Pest Insects of Annual Crop Plants ın Canada I.Lepıdoptera II.Dıptera III.Coleoptera /

by Beirne, Bryan P.
Published 1971

The bıology And dynamıcs Of Lıthocolletıs Blancardella(Lepidoptera:Gracıllarııdae)On Appla In Quebec /

by Pottinger, R. P.
Published 1971

The cephalic structures and spiracles of final-istar larvae of the subfamily campopleginae, Tribe campoplegini (Hymenoptera: Ichneumonidae) /

by Finlayson, Thelma
Published 1975

Canada and Its insect fauna /

Published 1978

Revision of the subfamily sphaeridinae of America North of Mexico (coleoptera: hydrophilidae)/

by Smetana, Ales.
Published 1978