. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). KEY TO AMERICAN INSECT GALLS 59 Irregularly rounded or elongate, woody, polythalamous twig swellings much like those of A. c o x i i, on Q. v i r g i n i a n a. Beutm. '09, p. 281 Cynipid. Compsodryoxenus maculipennis Ashm. Irregular, dense, corky, polythalamous twig swellings, length 4 cm, diameter mm, on Q. u n d u 1 a t a. Gill. '92, p. 247 Cynipid. Andricus frequens Gill. A gradual twig or branch swelling to 8 cm long and 12 to 24 mm in diameter, on Q. cine

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. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). KEY TO AMERICAN INSECT GALLS 59 Irregularly rounded or elongate, woody, polythalamous twig swellings much like those of A. c o x i i, on Q. v i r g i n i a n a. Beutm. '09, p. 281 Cynipid. Compsodryoxenus maculipennis Ashm. Irregular, dense, corky, polythalamous twig swellings, length 4 cm, diameter mm, on Q. u n d u 1 a t a. Gill. '92, p. 247 Cynipid. Andricus frequens Gill. A gradual twig or branch swelling to 8 cm long and 12 to 24 mm in diameter, on Q. cine re a. Ashm.'85, p. VIII Cynipid. Andricus medullae 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 York State Museum; University of the State of New York. Albany, N. Y. : University of the State of New York

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Keywords: ., boo, bookauthornewyorkstatemuseum, booksubjectnewyorkstatemuseum