. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). KEY TO AMERICAN INSECT GALLS 15 KEY TO AMERICAN INSECT GALLS Polypodiaceae (ferns) Cystopteris fragilis (bladder fern) Root gall (Cosens, in litt. May 3, '15) Itonid. Cecidomyia sp Ephedraceae Ephedra trifurca Fusiform twig gall, length 12 mm. Fig. i. Ckll. '98, p. 327 Itonid. Lasioptera ephedrae Ckll. Irregular, subcortical, resinous gall. Ck 1. '02, p. 184 Itonid. Lasioptera ephedricola Fig. I. Lasiop- tera eph- edrae Ckll., showing two galls, one in section. (
. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). KEY TO AMERICAN INSECT GALLS 15 KEY TO AMERICAN INSECT GALLS Polypodiaceae (ferns) Cystopteris fragilis (bladder fern) Root gall (Cosens, in litt. May 3, '15) Itonid. Cecidomyia sp Ephedraceae Ephedra trifurca Fusiform twig gall, length 12 mm. Fig. i. Ckll. '98, p. 327 Itonid. Lasioptera ephedrae Ckll. Irregular, subcortical, resinous gall. Ck 1. '02, p. 184 Itonid. Lasioptera ephedricola Fig. I. Lasiop- tera eph- edrae Ckll., showing two galls, one in section. (Original) Fig. 2. Gouty pine midge. Re- tin o d i plosis i n o p i s O. S. Typical enlarge- ment of twig. (Original) Pinaceae (pines) Pinus (pine) Reared from fungous afifected heartwood, P. r i g i d a. Felt '13m, p. 191 Itonid. Monardia lignivora Felt Reared from Scolytid galleries in pine. Felt '13m, p. 188 Itonid. Monardia pinicorticis Felt Reared from bark of P. v i r g i n i a n a. Felt oje, p. 23 Itonid. Winnertzia pinicorticis Felt Subcortical twig swellings with pitch exudations, resinous cocoons on needles of P. rig id a. Fig. 2. Felt 'i2h, p 368 Itonid. Gouty pitch pine midge, Retinodiplosis inopis O. 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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