428 
INDEX. 
Oak. Insects affecting— Continued. 
Lithocolletis cincinnatiella, 1879. 
Mallodon melanopus, 2291. 
Myrmecocvstus hortus-deorum, 1942. 
M^ tilaspis pomicorticis =M. pomoruru. 
pomornm, 973. 
Ozognathns cornutus, 1967. 
Phylloxera lichtensteini, 1421. 
Tenthredinid, 108. 
Xylotrechus colonus, 2267. 
Oak. Insects stripping the bur, 966. 
leaf gall, 799. 
Leaf-miners on ■white, 1879. 
Phylloxera, 1363. 
pruner, 793. 
and rose galls, 1037. 
tree borer, 1003. 
caterpillars, 422. 
twigs. Cynipid galls on, 1822. 
"Woolly galls on white, 739. 
Oats. Insects affecting. 
Aphis a venal = Neetarophora granaria. 
Nectarophora granaria, 1806. 
Silvanus surinamensis, 1279. 
Oats and rye. Beetles working in wheat, 1259. 
Oberea bimaculata, 302, 783,1363. 
perspicillata = O. bimaculata. 
sp., 1059. 
? boring in apple twigs, 1850. 
tripunctata, 1503. 
Obituary. Bazille, L., 2370. 
Belfrage, G. W., 2161. 
Chambers, V. T., 2218. 
Clemens, B., 223. 
Glover, T., 2218, 2258. 
Lichtenstein, J., 2370. 
Maeklin, F. W., 2161. 
Mniszech, G. V., 2054. 
Putnam, J. D., 2054. 
Oblong winged katydid, 1329,1363. 
Eggs of the, 569,1157. 
Ocellate leaf gall of the red-maple, 2119. 
Odonata. Venation of, 39. 
Odontota, 2267. 
dorsalis, 451. 
rubra, 1849,1876. 
Supposed eggs of, 1876. 
Odor in butterflies, 2025. 
Odynerus, 770,1827. 
birenimaculatus, 1827. 
flavipes, 770,1827. 
G£canthus, 2267. 
latipennis n. sp., 2036, 2276. 
niveus, 143, 251, 286, 414, 554, 723, 953, 
961, 999, 1006, 1059,1122,1323, 
1329, 1333, 1503, 1691, 2195, 
2238, 2276. 
Habits of, 207. 
CEcodoma fervens = Afta fervens. 
CEdemasia conoinna 61, 413, 454, 779, 788, 922, 
1545. 
GSdipoda atrox, 1959. 
Carolina = Dissosteira Carolina, 
cruciata, 2075. 
obliterata, 1959. 
pellucida, 1959. 
GSdipodini, 1959. 
CEnothera grandiflora. Moths caught by, 1419, 
1761. 
GSstridae, 114,153, 290, 2256. 
QSstrus homiuis — Dermatobia hominis. 
ovis, 450, 887, 914, 1057, 1059, 1357, 1563, 
2238. 
Guta compta = CE. punctella. 
punctella, 1059,1343. 
Ohio insects. Alwood, W. B. Report on, 2382. 
Oil-beetles, 1053,1643. , 
Old-fashioned potato-bugs, 185. 
and new philosophy, 392. 
question of species, 2201. 
Oleander. Chilocorus bivulnerus on, 730. 
Coccid on, 218. 
Insects on, 730. 
Olfersia americana, 2297. 
Omaha. Conference of western governors at, 
1557. 
Oncideres amputator, 1556. 
cingulata, 442, 443, 476, 489,746, 848,1556, 
1938. 
putator, 1556. 
Oncometopia undata, 36, 79,164, 399,1013. 
One day’s journal of a state entomologist, 383. 
effect of the Mississippi floods, 2080. 
half the vino area of France affected by Phyl¬ 
loxera, 2020. 
Onion-fly, 225. 
Onion. Insects affecting. 
Authomyia ceparum, 225. 
Cambala annulata, 236. 
lulus multistriatus = Cambala annulata. 
Ortalis flexa = Tritoxa flexa. 
Tritoxa flexa, 225. • 
Onion-maggot. Means agaiust the, 12. 
pest. Chester, 2319. 
Ontario. Index to the entomological reports of 
the province o'f, 2228. 
Onward march of the Colorado potato-beetle, 
1218. 
Ophiogomphus mainensis n. sp., 39. 
Ophion. Long-tailed, 1311. 
macrurum, 1112,1802. 
purgatum, 1442,1670. 
Purged, 1127. 
Opsiccetus personatus, 497. 
Orange. Bark-louse on osage, 389. 
in Brazil. Branner, J. C., insects injuri¬ 
ous to the, 2277. 
California. Scale-insects of the, 2389. 
Experiments upon scale-insects affect¬ 
ing, 2164. 
in Florida. Voyle, J., the effects of cold 
on the scale-insects of the, 2277. 
Hubbard, H. G. Rust of the, 2291. 
Orange. Insects affecting. 
Coccid, 218. 
Mite, 2291. 
Pliytopus oleivorus, 2308. 
Orange inseots. Californian, 2373. 
and cotton-worm, 2067. 
Kerosene as a means against, 
2164. 
Miscellaneous notes on, 2164. 
