512 
Antochini, 243, 247. 
Aphidoletes, 306, 385, 
key to species, 306. 
basalis, 384, 397. 
borealis, 397. 
cucumeris, 383, 307. 
flavida, 397. 
fulva, 397. 
hamamelidis, 397. 
marginata, 397. 
marina, 397. 
meridionalis, 384, 3097. 
recurvata, 397. 
Aphids, 35.. 
Aphis, rosy, 53. 
Aphis pomi, 53. 
Apis, 381. 
Apocynum, Cecidomyia 
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, 
394, 396; 
apocyni 
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, 250. 
violacea, 108. 
Arilus cristatus, 53. 
Aristolochia macrophylla (sipho), 
alll Monee zz 
Arnoldia, 336, 339; key to species, 
340. 
absobrina, 289, 337, 340. 
-cerasi, 340. 
NEW YORK STATE MUSEUM 
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, 372, 
377: 
Rhopalomyia alticola on, 
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. 
macrofila, 404. 
obscura, 404. 
rhoina, 384, 404. 
rufa, 403. 
sambucifolia, 384, 404. 
sylvestris, 403. 
Asclepias, lLestodiplosis 
on, 382, 409. 
Neolasioptera asclepiae on, 318, 
332. 
Ash, Arnoldia fraxinifolia on, 289, 
337. 
Dasyneura apicatus on, 337, 345. 
iraxinitolia On, 203)9337, 641 
tumidosae on, 337, 346. 
galls’ on, 134) 147,053. 
Lasioptera fraxinifolia on, 319, 
356, 
asclepiae 
527. . 
Lestodiplosis fraxinifolia on, | 
383. | 
Aspen, galls on, 136, 137-38. 
Asphondylia, 305, 307, 375, 937: 
380; key to species, 376. 
altifila, see Schizomyia. 
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