. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE PKAR THRIPS. 9 incision, of the liead with its l)riph„rpnpa. Muciicn- (original). a (puescent, non-1 ood-taking larva. Ijater the pupal changes are imdergone, and lastly the adult insect appears before it issues forth to the tree. Larvte collected from the ground on August 28 were active, and, strange to say, green chlorophyll matter, imdigested food, which had been taken into the stomach several months l)ef()re, was still present in their bodies. The insects are scattered llir-ough the soil from near


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE PKAR THRIPS. 9 incision, of the liead with its l)riph„rpnpa. Muciicn- (original). a (puescent, non-1 ood-taking larva. Ijater the pupal changes are imdergone, and lastly the adult insect appears before it issues forth to the tree. Larvte collected from the ground on August 28 were active, and, strange to say, green chlorophyll matter, imdigested food, which had been taken into the stomach several months l)ef()re, was still present in their bodies. The insects are scattered llir-ough the soil from near the trunk to several feet from the tree. THE NYMPH OH The writer has not been able to determine how long the nymph stage (fig. 5) lasts, but it evidently extends over several weeks. Nymphs in all stages of development were collected during May and at intervals until the following February, but they are most connnon during December, January, and Februar}'. The writer has gathered. 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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