. Report of the State Entomologist on injurious and other insects of the state of New York. es on P. r i g i d a. Fig. 3. Felt 06b, p. 410Itonid. Pitch midge, Retinodiplosis resinicola O. from extruded resin masses on P. r a d i a t a. Wlms. 09, p. i Itonid. Western pitch midge, Retinodiplosis resinicolodes d from pitch masses en long leaved pine, P. palustris. Felt l5h,p. 408 Itonid. Southern pitcli midge, Retinodiplosis palustris Felt KEY TO AMERICAN INSECT GALLS 17 A subglobose terminal swelling involving the tip of the new growth ofP. e d u 1 i s, diameter 5 mm. This kil
. Report of the State Entomologist on injurious and other insects of the state of New York. es on P. r i g i d a. Fig. 3. Felt 06b, p. 410Itonid. Pitch midge, Retinodiplosis resinicola O. from extruded resin masses on P. r a d i a t a. Wlms. 09, p. i Itonid. Western pitch midge, Retinodiplosis resinicolodes d from pitch masses en long leaved pine, P. palustris. Felt l5h,p. 408 Itonid. Southern pitcli midge, Retinodiplosis palustris Felt KEY TO AMERICAN INSECT GALLS 17 A subglobose terminal swelling involving the tip of the new growth ofP. e d u 1 i s, diameter 5 mm. This kills the apical needles, though the lowerones continue to develop, and in old deformities may produce a ring of short,stout, upstanding needles surrounding a central dead area. Larvae pale orange. Itonid. C e c i d o m y i a sp. a282 3 Apical budlike swelling, diameter i cm on P. scop ulo rum. Figs. 5, i2f, p. 240 Itonid. Pine bud gall, C o n t a r i n 1 a c o 1 o r a d e n s i s Felt Same gall as above. Felt Ilk, p. 549 , , . Itonid. D i c r o d i p 1 o_sJ s g i\\{\le t t e i Felt. Fig. 5. Pine bud gall, Contariniacoloradensis Felt. Three galls.(Original) Fig. 6. Pine bud gall, Contarinia colo-radensis Felt. Cluster of galls on (Original) Abortedneedle clusters, bas? subglobose. On P. r i g i d a. Fig. 7. Felt06b, p. 423 Itonid. Pine needle gall, Cecidomyia pinirigidae Pack. Globose swellings at base of needles of P. e d u 1 i s, diameter 4 mm, the aborted needles with a length of i to 3 cm, the walls thick. Felt, i8d, p. 381 Itonid. PThecodiplosis cockerelli Felt Elongate, cylindric 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,
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1882
