Ecological methods with particular reference to the study of insect populations by Southwood, T.R.E

Insects and spiders by Mullins, Anne Beranece

Helpful and harmful organisms by Anderson, Mike

Pesticide chemistry in the 20th century

Available for University of the Philippines Diliman via ACS Publications. Click here to access
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Patterns of variation in wasps of the genus Therion (Hymenoptera, Ichneumonidae) by Slobodchikoff, C.N

Ecological succession and control of insect pests affecting stored seeds of upland crops [microform] by Cacmarao, Gloria Cacdac 1941-

Insects in relation to pollination and fruit set cucurbits [microform]. by Salviejo, Perlita Bermudez 1943-

A revision of North American bees of the subgenus Cnemidandrena (Hymenoptera, Andrenidae) by Donovan, Barry J.

The biology of insects by Friedlander, C. P. (Cecil Paul)

Know the bug.