. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 249. Rattlesnake root gall, Aulacidea nabali Brodie. 1-7 showing various types of thegall. (After Am. Mus. Nat. Hist.) 214 NEW YORK STATE MUSEUM Sonchus (sow thistle) Reared from stems. Ashm. 976, p. 134 Cynipid. Lettuce tumor gall, Aulacidea tumida Bass. EnceliaLeaf bud gall, length 10 mm, diameter 4 mm. Felt i2e, p. 152 Itonid. Asphondylia enceliae FeltConical, thick-walled, lateral bud gall, length 6 mm, diameter 3 mm, frequentlyconfluent basally, sometimes twisting the


. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 249. Rattlesnake root gall, Aulacidea nabali Brodie. 1-7 showing various types of thegall. (After Am. Mus. Nat. Hist.) 214 NEW YORK STATE MUSEUM Sonchus (sow thistle) Reared from stems. Ashm. 976, p. 134 Cynipid. Lettuce tumor gall, Aulacidea tumida Bass. EnceliaLeaf bud gall, length 10 mm, diameter 4 mm. Felt i2e, p. 152 Itonid. Asphondylia enceliae FeltConical, thick-walled, lateral bud gall, length 6 mm, diameter 3 mm, frequentlyconfluent basally, sometimes twisting the stem and producing a markeddeformation. Felt i6f, p. 183 Itonid. Rhopalomyia enceliae Felt LygodesmiaOval or pea-like, monothalamous stem galls, diameter 5 to 12 mm. Fig. 235, loa, p. 142 Cynipid. Aylax pisum Walsh. Fig. 250. Lasiopterap a 1 u s t r i s Felt. A group ofgalls, one sectioned. (Original) Prenanthes (rattlesnake-root) Flat, purplish leaf gall, length 2 to 3 mm. Felt 13d, p. 417 Itonid. Cystiphora canadensis Felt Irregular, polythalamous, basal, stem swelling somewhat resembling small,knotty artichokes, diameter 5 to 10 mm. Fig. 249. Beutm. lob, p. 256 Cynipid. Aulacidea nabali Brodie KEY TO AMERICAN INSECT GALLS 215 American Insect Galls PLANT FAMILIES AND GEN-ERA, INSECT GENERA PolypodiaceaeCystopteris Cecidomyia. .EphedraceaeEphedra Lasioptera. . Ptnaceae Pinus Cecidomyia. . Chermes Contarinia. . Dicrodiplosis. Janetiella Monardia Mycodiplosis . Podapion . .. . Retinodiplosis. Thecodiplosis. Winnertzia. . .Picea Chermes Abies Cecidomyia. . Dasyneura. . Itonida Thecodiplosis. , RetinodiplosisChamaecyparis Cecidomyia. . Janetiella Thuja Eriophyes Camptomyia. .Juniperus AUomyia Arthrocnodax. Cecidomyia.


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1882