NEW YORK STATE MUSEUM 



Dicronomyia (continued) 



defuncta, 170. 



immodesta, 228. 



longipennis, 248. 



morioides, 204. 



simulans, 205; life history of, 

 214-17. 



whartoni, 211-12, 228, 248. 

 Dicranoptycha, 247. 

 Dicranota, 213, 231, 242, 245. 

 Didymops, 257, 260, 261. 



transversa, 196. 

 Diervilla, Asphondylia diervillae 

 on, 373, 377. 



Lasioptera ■ caulicola on, 319, 325. 

 Diospyros virginiana, gall on, 132. 

 Diotrepha, 231, 234, 243. 

 Diplocladius, 282. 

 Diplopappus, Neolasioptera albi- 



tarsis on, 318, 319, 333. 

 Diplosariae, 308, 381 ; hosts and host 



plants of, 381-8=^ ; key to genera, 



385-86. 

 Diplosids, 305, 306. 



Diplosis cucumeris, see Aphido- 



letes. 



farinosa, see Lasioptera. 



violicola, see Mayetiola. 

 Diptera, 170, 199-248. 

 Dirhiza, 415, 419, 420; key to 

 species, 419. 



canadensis, 420. 



hamata, 419. 



m on tana, 420. 



multiarticulata, 420. 



photophila, 420. 



sylvestris, 419. 

 Discobola, 232, 247. 



argus, 204. 

 Dixa, 236. 



Dock, Contarinia rumicis on, 384. 

 Dogbane, Lestodiplosis apocyni- 



florae on, 382, 409. 

 Dogwood, Lasioptera corni on, 



318. 

 Dolichopeza, 211, 233. 



americana, 211. 

 DoHchopezinae, 240. 

 Dolichopodidae, 169, 171. 

 Dolichopus scoparius, 171. 



Doryphora decimlineata, 55. 

 Dragon flies, 173, 174, 176; at Old 



Forge, 195-98; appendages, 249- 



63 ; bibliography, 263. 

 Dromogomphus spinosus, 195. 

 Dutchman's pipe, gall on, 127. 



Edonis helena, 250. 



Elder, Arthrocnodax sambucifolia 



on, 384. 

 Asphondylia sambuci on, 374. 



gall on, 119, 147. 



Neolasioptera sambuci on, 3^1. 

 Elephantomyia, westwoodi, 205, 247. 

 Elliptera, 243, 247. 

 Elm, Dasyneura ulmea on, 339, 



349- 



galls on, 149-50. 



linden moth injuring, 24, 27. 



Mayetiola ulmi on, 358. 

 Elm leaf beetle, 6, 9, 39, 52, 53, 54. 

 Elodes virginica, gall on, 149. 

 Empeda, 231, 246. 

 Empididae, 169, 171. 

 Enallagma exsulans, 198. 



hageni, 198. 

 Enarmonia prunivora, 32-33. 

 Ennomos subsignarius, 8, 23-28. 

 Entomostraca, 178, 179, 182, 183- 



86, 187. 

 Ephedra, Lasioptera ephedricola 



on, 319, 326, 327. 

 Ephelia, 232. 

 Ephemera, 178. 



varia, 193. 

 Ephemerella, 161, 169, 188. 



dorothea, 170, 189, 190-91. 

 Ephemeridae, 188-94. 

 Epiaeschna, 256. 

 Epidiplosis, 386, 406-7. 



sayi, 386, 406. 

 Epidosariae, 306, 308, 415; key to 



genera, 415. 

 Epiphragma, 231, 245. 



fascipennis, 201. 

 Epitrimerus pyri, 141. 

 Epizeuxis aemula, 45. 



denticulalis, 45. 



lubricalis, 45. 



