. Elementary entomology. Insects. 248 ELEMENTARY ENTOMOLOGY hind legs, are parasitic upon the eggs or larvae of other insects, and belong to a group of families which are the most important of parasitic insects. The technical differences between the more common families are based. FIG. 391. A gall-fly (Cy- iiips quercnssaltratix}, which produces the jumping galls formed on oak leaves. (Much enlarged) (After Kellogg). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may n
. Elementary entomology. Insects. 248 ELEMENTARY ENTOMOLOGY hind legs, are parasitic upon the eggs or larvae of other insects, and belong to a group of families which are the most important of parasitic insects. The technical differences between the more common families are based. FIG. 391. A gall-fly (Cy- iiips quercnssaltratix}, which produces the jumping galls formed on oak leaves. (Much enlarged) (After Kellogg). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882. Boston, New York [etc. ] Ginn and Company
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