. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). Fig. 247. Wormwood flask gall, Rhopalomyia ampullaria Felt. Two clusters of gall, one in sec- tion, the last enlarged. (Original) Fig. 248. Diarthronomyia occidentalis Felt. Gall on A. tridentata, one in section, much enlarged. (Original) Taraxacum (dandelion) Oblong, irregular, polythalamous, petiole or midrib swellings, length 25 to 50 mm. Fig. 235, 8. Beutm. 'loa, p. 142 Cynipid. Dandelion gall wasp. Ay lax taraxaci Ashm. Lactuca (lettuce) Irregular stem gall, diamet
. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). Fig. 247. Wormwood flask gall, Rhopalomyia ampullaria Felt. Two clusters of gall, one in sec- tion, the last enlarged. (Original) Fig. 248. Diarthronomyia occidentalis Felt. Gall on A. tridentata, one in section, much enlarged. (Original) Taraxacum (dandelion) Oblong, irregular, polythalamous, petiole or midrib swellings, length 25 to 50 mm. Fig. 235, 8. Beutm. 'loa, p. 142 Cynipid. Dandelion gall wasp. Ay lax taraxaci Ashm. Lactuca (lettuce) Irregular stem gall, diameter cm. Felt '07a, p. 151 Itonid. Lettuce stem midge, Lasioptera lactucae Felt Rounded, elongate, irregular, polythalamous, stem swelling, length 25 to 75 mm. Fig. 243. Beutm. 'lob, p. 253 Cynipid. Lettuce tumor gall, Aulacidea tumida Bass. Occurring in the pith, sometimes causing a stem swelling. Fig. 246, 1-4, pi. 3, fig. 6. Beutm. 'lob, p. 254 Cynipid. Aulacidea podagrae Bass. Occurring in thin-walled cells in the pith of the stem. Fig. 246, 5. Beutm. 'lob, p. 255 Cynipid. Aulacidea bicolor 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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