Coparative behavioral biology of two middle east species of carpenter bees/

by Gerling Dan.
Published 1983

Biosystematic studies of ceylonese wasps a monogaph of the tiphiidae/

by V. Karl.
Published 1982

Biosystematic studies of ceylonese wasps a monogaph of the tiphiidae/

by V. Karl.
Published 1983

Studies of neotropical caddisflies,XXXIX: the genussmicridea in the chilean subregion(Trichoptera:Hydropsychidae) .

by Flint, Oliver S.
Published 1989

Biology and systematics of the North American phyllonorycter leafminers on salicaceae, with a synoptic catalog of the palearctic species ( lepidoptera gracillariidae).

by Davis, Donald R.
Published 2001