. Annual report, including a report of the insects of New Jersey, 1909. Fig. 41.—Pear psylla; pupa from above; much Fig. —Pear psylla; pupa from below; much enlarged. P. annulata Fitch. Sure to occur in New Jersey. P. carpina Fitch. Common on Carpinus in New York, and probably in New Jersey. P. buxi Linn. An imported species on "Buxus sempervirens," which has been found in Jersey City. P. pyricola Forst. Throughout the State but more abundant in the south- ern counties. This is the "pear psylla," and its injuries are very local though sometimes severe. PACHYP
. Annual report, including a report of the insects of New Jersey, 1909. Fig. 41.—Pear psylla; pupa from above; much Fig. —Pear psylla; pupa from below; much enlarged. P. annulata Fitch. Sure to occur in New Jersey. P. carpina Fitch. Common on Carpinus in New York, and probably in New Jersey. P. buxi Linn. An imported species on "Buxus sempervirens," which has been found in Jersey City. P. pyricola Forst. Throughout the State but more abundant in the south- ern counties. This is the "pear psylla," and its injuries are very local though sometimes severe. PACHYPSYLLA Riley. P. celtidis-mamma Riley. Makes leaf galls on "Celtis," in New Jersey (Bt). P. celtidis-cucurbita Riley. Also a common gall-maker on "Celtis" (Bt). P. celtidis-vesiculum Riley. Found with the preceding (Bt). P. venusta O. S. Paterson III, 25 (Coll); makes galls on the leaf petioles of hackberry in New Jersey (Bt). P. celtidis-gemma Riley. Locally common in New Jersey, making galls on the twigs of 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 New Jersey state museum. [from old catalog].
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Keywords: ., bookcentury1900, bookcontributorthe, bookdecade1910, bookyear1910