Gall Midges (Cecidomyidae) as Enemies of the Tingidae, Psyllidae, Aleyrodidae and Coccidae

Abstract

This is the second of a series of papers dealing with zoophagous gall midges of the world. The first, “Gall Midges as Enemies of Aphids,” appeared recently (Bull. Ent. Res., xx, 1929, pp. 433–442), while the third dealing with gall midges as enemies of mites is in course of preparation.