Predatory Midges

In Lady Beetle Releases to Control Rosy Apple Aphid  (Vol. IV, No. 7)

Aphidoletes aphidimyza  (Vol. IV, No. 2)

In Biological Control at National Entomology Society Meetings summary # 3  (Vol. IV, No. 2)

In Biological Control at National Entomology Society Meetings summary # 4  (Vol. IV, No. 2)


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