INDEX. 



453 



Willow. Enemies of the black walnut and, 2333. 

 gall. Pod-like. 1170. 

 galls, 46. 



of Cecidomyidae on, 46, 197. 

 Gracilaria. Purple, 2363. 

 WILLOW. INSECTS AFFECTING. 

 Cecidotnyia salicis-siliquae, 1170. 

 Cecidomyidae, 40, 197. 

 Cimbex americana, 1380, 2291, 2333. 



laportei C. americana. 

 Clostera americana = Ichtliyura inclusa. 

 Coleopteron. 197. 

 Dipteron, 197. 

 Gracilaria, 2363. 

 Hymenopteron, 197. 

 Ichthyura inclusa, 856. 

 Xematus ventralis, 907, 917, 1211. 

 Saperda, 2267. 

 Tenthredinidae, 197. 

 Teras, 2363. 



Vanessa antiopa, 907, 1234, 1609. 

 Willow insects. "White, 907. 

 Teras, 2363. 

 worm. Large, 1380. 



White, 917. 1121. 



worms. Gregarious, 856. 



Winged pests of the West, 2313. 



Phslloxe in California, 1895. 

 Wire- worms, 224, 892, 932,1030, 2238. 

 Means against, 103. 

 in potatoes, 846. 



Wits jump together. How great, 567. 

 W-niarked cut-worm. 1059, 2291. 

 Wonder. Back-rolling, 1363. 

 Wood-borers. Food habits of, 1902. 



Rearing, 1829. 

 gall on white-oak, 733. 

 lice on grape-vine roots, 1900. 

 nymph. Beautiful, 1 127, 1363. 

 Pearl, 1127, 1301, 1363. 

 Woolly elm-tree louse, 1059. 

 lice on the beech, 449. 

 slug-like worm on apple, 796. 

 Work in entomology, 202, 418. 



Three worms and their, 1504. 

 Worker bees ? Do toads eat, 544. 

 Workers among hymenoptera, 311. 

 Works on North American microlepidoptera, 1975. 

 World. Insect, 1466, 1467. 

 Worm. Apple, 1666. 

 in apple, 177. 

 Army, 11, 17, 120, 670, 876, 906, 1127, 1442, 



1482, 1551, 1570, 2119, 2239, 2267, 2269. 

 on bark of walnut tree, 757. 

 boring into cucumber, 808. 843. 



peach, 1182. 

 in wheat-stalk, 1870. 

 Canker, 86, 172, 1021, 1006, 1127, 1363, 2012. 

 in corn, 181. 

 Cotton, 1127, 1363, 1649, 1702, 1719, 2077, 



2119,2130,2295. 

 Currant, 877, 1204. 

 eating in green tomatoes, 734. 

 Hundred legged, 219. 

 infesting meal sacks, 1896. 



Worm. In joint of wheat, 1848. 

 question, 909. 



and remedy. Strawberry, 1586. 

 snake, 1662. 

 Tobacco, 885, 2238. 

 Tomato, 152, 1059, 1558, 1661. 

 An unknown, 986. 



Worms. Bee bread devoured by, 1293. 

 in cabbage, 1915. 

 Clover, 83. 675, 948, 1132. 

 in cottonwood, 1459. 

 Currant, 364, 882, 1696. 

 on Dutchman's pipe, 1321. 

 feeding on hawthorn, 1051. 

 in flour and rye, 72. 

 on horse-chestnut Gregarious, 1192. 

 How to free wells of, 1015. 

 injuring wheat, 1875. 

 in joint wheat, 1848. 

 under mulch hay, 1161. 

 in osage orange seed, 597. 

 in potatoes. Wire, 846. 

 in wells, 1015. 



Wire, 224, 892, 932, 1030, 2238. 



and their work. Three, 1504. 



Worthlessness of the sparrow as an insect killer, 



2413. 



Wyckoffs silk-industry in the United States (Re- 

 view), 2268. 

 Wyoming, Montana, etc., in 1881. Bruner, L. 



The Rocky Mountain locust in, 2267. 

 Xanthoptera ridingsii n.sp., 1411 = Exyra riding- 



sii. 



semicrocea, 1385, 1390. 

 Xiphidium, 118. 

 Xyleborns cselatus, 2267. 

 obesus, 1583. 



Packard, A. S. Development of, 2267. 

 pyri, 2, 149. 



XyJeutes robiniae = Cossus robiniae. 

 Xylina cinerea n. sp., 1301 = Lithophane anten- 



nata. 

 Xylocopa Carolina = X. virginica. 



virginica, 672, 1111. 

 Xyloryctes satyrus, 40, 471. 

 Xylotrechus coloaus, 2267. 

 Tama-mai silkworm, 1311. 

 Year. Destructive insects of the, 2322. 

 Entomological notes of the, 2235. 

 Insects of the, 2289, 2331. 

 Is this a grasshopper, 1565. 



Yeast ferment in insects. Experiments with, 1930. 

 Yellow-bear. Common, 1301. 

 fever-fly, 1950. 

 headed cut- worm, 1059. 

 locust, 2363. 



tailed Tachina-fly, '.127, 1625. 

 swallow-tail, 361. 



Yellows in peacH trees. Supposed cause of, 515. 

 Yersin. Function of the m-rvous system of arti- 

 culates, 1959. 

 Young grasshoppers, 2377. 



locusts. Destruction of, 1577. 

 Ditching for, 1488. 

 Habits of, 1578. 



