. Report of the State Entomologist on injurious and other insects of the state of New York. galleries just under the bark. Felt 06b, p. 103 Coleop. Mottled willow borer, Cryptorhynchus lapathi Linn. Populus (poplar)Irregular, greenish, subtriangular, monothalamous petiole or twig galls, lengthI cm, diameter .7 cm, on cottonwood Itonid. Cecidomyia sp. ai5i3Globose, purplish, sometimes adherent masses of deformed flowers, cm, from Mojave desert Acarid. Eriophyes sp. a276i 38 NEW YORK STATE MUSEUM Irregular, monothalamous blister leaf Stebb. lo, p. 9 Itonid. Cecidomyia sp. (irre
. Report of the State Entomologist on injurious and other insects of the state of New York. galleries just under the bark. Felt 06b, p. 103 Coleop. Mottled willow borer, Cryptorhynchus lapathi Linn. Populus (poplar)Irregular, greenish, subtriangular, monothalamous petiole or twig galls, lengthI cm, diameter .7 cm, on cottonwood Itonid. Cecidomyia sp. ai5i3Globose, purplish, sometimes adherent masses of deformed flowers, cm, from Mojave desert Acarid. Eriophyes sp. a276i 38 NEW YORK STATE MUSEUM Irregular, monothalamous blister leaf Stebb. lo, p. 9 Itonid. Cecidomyia sp. (irregularis Stebb.)Subglobular leaf gall. Felt i5e, p. 206 Itonid. Rhizomyia absobrina FeltVariable, subglobular leaf gall.^ Fig. 41. Felto8e, p. 394 Itonid. Dicrodiplosis populi FeltApparently from the same gall, probably predaceous. Felt o8e, p. 409 Itonid. Lestodiplosis globosa FeltSubglobular leaf gall, diameter 3 to 4 mm. Felt o8e, p. 400 Itonid. Mycodiplosis populifolia FeltRoundly conical leaf gall, diameter 3 mm, on P. candicans, 7, fig- 2. Itonid. Cecidomyia Fig. 43. Vagabond poplar gall. Pemphigus vagabun-d u s Walsh. (Original) Irregular, tumid gall at base of leaf, similar to that ofLasioptera vitis Itonid. Cecidomyia galls, diameter 6 to 12 mm, occur in June at the base of Cottonwoodleaves. Felt 06b, p. 636 Aphid. Pemphigus populicaulis FitchMarginal leaf roll, length i cm, predaceous. Felt o8e, p. 408 Itonid. Lestodiplosis populifolia FeltBrown, marginal leaf roll, length cm., several larvae in each Itonid. Cecidomyia edges of the leaf inrolled toward each other, on the upper surface. , p. 138 Acarid. Eriophyes sp_ 1 There are a series of these globose or conical galls on poplar leaves which are apparently pro-duced Ijy several species of gall midges. Ki:V TO AMERICAN INSFXT GALLS 39 Longitudinal fold galls dwarfing the leaf. Fig. 42. Itonid. Cecidomyia red, cockscomb-like gall developing on the upper
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