5J 



NEW YORK STATE MUSEUM 



Antochini, 243, 247. 

 Aphidoletes, 306, 385, 394, 396; 

 key to species, 396. 



basalis, 38'4, 397. 



borealis, 397. 



cucumeris, 383, 397. 



flavida, 397. 



fulva, 397- 



hamamelidis, 397. 



marginata, 397. 



marina, 397. 



meridionalis, 384, 397. 



recurvata, 397. 

 Aphids, 35. 

 Aphis, rosy, 53. 

 Aphis pomi, 53. 

 Apis, 381. 



Apocynum, Cecidomyia apocyni 

 on, 382, 414. 



Lestodiplosis apocyniflorae on, 

 382. 

 Apple aphids, 51. 

 Apple bark louse, 51, 53. 

 Apple leaf folder, 28-31. 

 Apple maggot, 33-34, 53- 

 Apple plant lice, 53. 

 Apple worm, lesser, 32-33. 

 Apple, gall on, 141. 

 Apple tree, injurious insects : 



June beetle, green, 43. 



linden moth, snow-white, 25, 

 27. 

 Apple tree caterpillar, red-humped, 

 31-32, 52. 



yellow-necked, 52. 

 Apricot trees, June beetle, injur- 

 ing, 43- 

 Aquatic insects, 8. 

 Arbor-vitae, gall on, 148. 

 Archips .argyrospila, 46. 



sorbiana, 45. 

 Argia, 259. 



violacea, 198. 

 Arilus cristatus, 53. 

 Aristolochia macrophylla (sipho), 



gall on, 127. 

 Arnoldia, 336, 339; key to species, 

 340. 



absobrina, 289, 3^7, 340. 



cerasi, 340. 



Arnoldia (continued) 



fraxinifolia, 289, 337, 340. 

 hispida, 290, 340. 

 minor, 290, 340. 

 ungulata, 290, 340. 

 vitis, 290-91, 339, 340. 

 Aronia nigra, gall on, 127. 

 Arrowwood, galls on, 150. 

 Arsenate of lead, 16. 

 Arsenical poisons, 30, 40. 

 Artemisia sp., gall on, 127. 



.Asphondylia artemisiae on, -^72, 



377- 

 Rhopalomyia alticola on, 356, 

 367. 

 tridentata, Diarthronomyia arte- 

 misiae on, 336, 340. 

 Arthrocnodax, 386, 403-4; key to 

 species, 403-4. 

 acerina, 404. 

 apiphila, 301, 381, 404. 

 fenestra, 404. 

 filicis, 404. 

 fraxini, 404. 

 incisa, 403. 

 m;icrotila, 404. 

 obscura, 404. 

 rhoina, 384, 404. 

 rufa, 403. 



sambucifolia, 384, 404. 

 sylvestris, 403. 

 Asclepias, Lestodiplosis asclepiae 

 on, 382, 409. 

 Ncolasioptera asclepiae on, 318, 

 332. 

 Ash, Arnoldia fraxinifolia on, 289, 

 337- 

 Dasyneura apicatus on, 337, 345. 

 fraxinifolia on, 293, 337, 341. 

 tumidosae on, 337, 346. 

 galls on, 134, 147, 153. 

 Lasioptera fraxinifolia on, 319, 



327. 

 Lestodiplosis fraxinifolia • on, 

 383. 

 Aspen, galls on, 136, 137-38. 

 Asphondylia, 305, 307, 375, 378, 

 380; key to species, 376. 

 altifila, see Schizomyia. 



