. Report of the State Entomologist on injurious and other insects of the state of New York. indric or fusiform green or purplish-red swellings at the base of the needles of P. e d u 1 i s, length cm, diameter 3 mm, the walls moderately thin and with a large cavity containing several larvae. Occurs also on P. monophyllus (a2857) Itonid. Cecidomyia sp. a282i l8 NEW YORK STATE MUSEUM Kidney shaped enlargements at base of needles of P. e d u 1 i s, length 7 mm,diameter 4 mm, the walls thick and the needles rudimentary. Fig. 8. Itonid. Thecodiplosis cockerelli FeltGlobose swellmg at base of nee
. Report of the State Entomologist on injurious and other insects of the state of New York. indric or fusiform green or purplish-red swellings at the base of the needles of P. e d u 1 i s, length cm, diameter 3 mm, the walls moderately thin and with a large cavity containing several larvae. Occurs also on P. monophyllus (a2857) Itonid. Cecidomyia sp. a282i l8 NEW YORK STATE MUSEUM Kidney shaped enlargements at base of needles of P. e d u 1 i s, length 7 mm,diameter 4 mm, the walls thick and the needles rudimentary. Fig. 8. Itonid. Thecodiplosis cockerelli FeltGlobose swellmg at base of needles on P. v i r g i n i a n a. Fig. 11. Felt i2e,p. 148 Itonid. Janetiella coloradensis FeltBase of needles of P. r a d i a t a. Snow and Mills 00, p. 489 Itonid. Western pine needle gall, Thecodiplosis piniradiatae Sn. & Mils. Picea (spruce)Green or brown, polythalamous, conehke swellings on Norway spruce. Fig. o6b, p. 189 Aphid. Spruce cone gall, Chermes abietis Linn. Fig. 7. Pineneedle gall, Cecidom y i apin i r i gid a ePack. Typicalswelling at baseof the leaf.(Original). Fig. 8. Thecodiplosis cockerelli needles of P. e d u 1 i s. (Original) Green or brown, polythalamous, produced, conelike swelling on Colorado bluespruce, length 5 cm, diameter cm. PI. 14, fig. i. Felt iim, p. 37 Aphid. Long spruce cone gall, Chermes cooleyi Gill. Abies (fir) Reared from seeds. Fig. 10. Felt i5e, p. 162 Itonid. Fir seed midge, Dasyneura canadensis FeltInfertile seed of Douglas fir. Crosby 09, p. 379 Hym. Fir seed wasp, Megastigmus sperm otrophus bud gall. PI. 5, fig. 9. Felt 143, p. 77 Itonid. Spruce bud midge, Rhabdophaga swainei FeltBud galls and swellings at base of leaves. Felt 07a, p. 123 Itonid. Spruce gall midge, Phytophaga tsugae Felt • Probably occurs on hemlock also. KEY TO AMERICAN INSECT GALLS 19 Subglobular basal swellings of leaves, length 3 mm on balsam. PI. 7, fig. , 88, p. 60 Itonid. Balsam gall midge, Cecidomyia balsamicola
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1882
