270 
INDEX. 
Cecidomyid injurious to Bumelia, 53. 
Cerambycidae, Hibernation in, 29. 
Cerathosia tricolor, 84. 
Cercyon prsetextatum, 79. 
Centrinus scutellum-albxuu, 163. 
Chaeroeampa tersa, 61. 
Chaetocnema 4-collis, 232. 
Chaetoccelus setosus, 55. 
Chalcid, An anomalous, 234. 
Chalcididse, Morphology of, 65 ; South Amer- 
ican, 218. 
Chalcodermus seneus, 233. 
Chalybion caeruleum, 254. 
Chinch Bug, 105. 
Chlsenius impunctifrons, 23. 
Chrysobothris chryscela, 93 ; impressa, 93. 
Cicada pruinosa 54, 61, 248; septendecim, 
230, 248 ; Periodical, 29, 52, 230, 248. 
Cicadas at Fortress Monroe, Va., in 1886,52. 
Cicindela belfragei, 107. 
Cioantha derupta, 86, 224. 
Cloeotus aphodioides, 84. 
Clover, Sudden spread of new enemy to, 248. 
Coccinellidae found on Asclepias cornuti, 79. 
Cockroach, American, Mouth-parts of, 216, 
237. 
Coenopoeus palmeri, 252. 
Colaspis brunnea, 79. 
Cold water, Vitality of insects in, 208. 
Coleoptera, Accidental mimicry in, 112; 
Changes in imago state, 14 ; Common to 
N. A. and other countries, 182 ; Myrme-^ 
cophilous, 237; Parasitic, 16; Termi- 
tophilous, 160 : Food- plants and food- 
habits, 79, 162, 231; from Peekskill, N." 
Y., 79, 162; from semi-tropical Florida, 
89. 93, 145; from St. Augustine, Fla., 
169 ; taken from stomachs of toads, 167. 
Coleopterological notes, 79, 174. 
Coleopterous enemies of Scolytids, 164. 
Colias eurytheme, 61. 
Collops nigriceps, 105. 
Colobopsis impressa, 106. 
Colopha ulmicola, 11. 
Conotrachelus similis, 232 ; veutralis, 232. 
Coptocycla aurichalcea, 162. 
Copturus binotatus, 233. 
Corydahis cornutus, 34. 
Cosmopolitan insects, 194 ; Parasites of, 118. 
Coville, Fred. V., Notes on Bumble-bees, 197. 
Cressonia juglandis, 79. 
Crioceris asparagi, 58 ; 12-punctata, 59. 
Cryptarcha strigata, 79. 
Cryptocephalus schreibersii, 232. 
Cryptorhynchus brachialis, 233 ; ferratus, 
233 ; obliquus, 233 ; tristis, 233. 
Cryptorhopalum triste, 79. 
Curculionidae, Aquatic, 75. 
Cychrus stenostomus, 79. 
Cydosia, Affinities of, 148. 
Cynips saltatorius, 42. 
Cypripedium acaule, Fei'tilization of, 49. 
Cyrtomerus pilicoruis, 267. 
Danais archippus, 207, 256 ; berenice, 107. 
Deiopeia bella, 48. 
Dendroctonus simplex, 175. 
Deudrotettix quercus, 86. 
Dermestes caninus, 79. 
Dewey decimal system, 31, 34. 
Diabrotica 12-punctata, 162; vittata, 162, 
224. 
Dicaelus dilatatus, 84. 
Dicerca obscura, 32. 
Dictyna, Abnormity in, 251. 
Die-back fungus, 42. 
Dilophus serotinus, 262. 
Diludia, 103. 
Dipterafrom Washington, D.C., 254; Piercing 
ovipositor in, 263. 
Dipterous larvae inhabiting man, 264. 
Disonycha limbicollis, 163. 
Dissosteira Carolina, 253, 266. 
District of Columbia, Insect fauna of, 10; 
Arachnid fauna of, 84. 
Dodge, C. R , Communications by, 60, 141. 
Doryphora 10-lin ; ata, 250; juncta, 250. 
Dynastes tityus, Odor emitted by, 54, 56. 
Dysmerus basalis, 94, 95. 
Edibility of Periodical Cicada, 29. 
Elaphidion cinereum, 93 ; irroratum, 93. 
Electric lights, Insects collected at, 15. 
ELeusis pallida, 11. 
Eucyrtus montinus, 91. 
Entomological Society of Washington, Or- 
ganization, 1 ; Constitution, 5 ; Amend- 
ments to Constitution, 78, 1.7; Officers 
and Members 1884-'5, 8. 
Entomology in Garcilasso's " Conquest of 
Florida," 171. 
Epeira diademata, 50 ; sclopetaria, 251 ; syl- 
vatica, 12. 
Ephemerid larvae, 34. 
Ephydra, 102. 
Epicserus imbricatus, 29. 
Epicauta cinerea, 50. 
Epipocus punctatus, 37. 
Epurfea avara, 231. 
Eristalis dimidiatus, 264; tenax, 264. 
Euerythria phasma, 80. 
Eumaaus atala, 86, 159, 222. 
Eurypelma rileyi, n. sp. , 116. 
Euryptychia saligneana, 30. 
^Eutyphlus, 28. 
