. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Fig. 20.—a, Sorghum head partly destroyed by English sparrows; b, sorghum head in- fested by the sorghum midge {Contarinia sorghicola), showing characteristic flattened appearance of spikelet; c, sorghum head with matured healthy seed. (Original.) States Department of Agriculture, in which he described the appear- ance of several heads of sweet sorghum received from Dillburg and Montgomery, Ala. These heads contained a large number of seed which had failed to mature and which had apparently been destroyed by the
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Fig. 20.—a, Sorghum head partly destroyed by English sparrows; b, sorghum head in- fested by the sorghum midge {Contarinia sorghicola), showing characteristic flattened appearance of spikelet; c, sorghum head with matured healthy seed. (Original.) States Department of Agriculture, in which he described the appear- ance of several heads of sweet sorghum received from Dillburg and Montgomery, Ala. These heads contained a large number of seed which had failed to mature and which had apparently been destroyed by the larvae of some species of Ceeidomyiidae. However, only the empty pupal skins attached to the spikelets of the seed were present, so no clue to the identity of the species was given. This note was. 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 United States. Bureau of Entomology. Washington : G. P. O.
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