Acartauchenius texanus n. sp , 192. 

 Acordulecera dorsalis, Larva of, 220. 

 Acrobela tacbinse n. sp., 154, 170. 

 Acronycta and their larvae, Notes on, 337; 



see also Apatela. 

 Actinellidse, 491. 

 Address of the President for 18^-6, 83; for 



189:, 265. 



Adelocephala, 427 ; bicolor, 428. 

 Agathodes designalis, 463 

 Agave palmeri. Insects boring into, 383. 

 Agriphila perstrialis, 465. 

 Alarodia slossoniae, 4(56. 

 Aldrich, J. M., Communication by, 430. 

 Alternation of generations, 185. 

 Alwood, W. B., Communication by, 63 

 Alypia langtonii, 495, 496 

 Alypia octomacnlata, 495, 496. 

 Anacampsisargyrothamniella, 474 ; laguncu- 



lariella, 474. 



Anaedus texanus n. sp., 182. 

 Anasa tristis, Penial structure of, 409. 

 Andrena, 488. 

 Anguillula, 507. 



Anopheles, Resting position of, 440, 445. 

 Ant-decapitating fly, 497. 

 Anticarsia ferruginea, Larva of, 455. 

 Antispila eugeniella, 478. 

 Anosia plexippus, Migration of, 412. 

 Anthocharis genutia, 389. 

 Ant-lions, Habits of, 438. 

 Ants, Characteristics of the families of, 314. 

 Anyphaena decepta n. sp ., 190. 

 Apanteles canarsiae n. sp.,127; euchaetis n. 



sp., 151, 159 ; murtfeldtae n. sp., 151, 159 ; 



memorise n. sp., 152, 160; parorgyiae n. 



sp.,.161; schizurae n. sp., 152, 162; ra- 



tiatusn. sp., 152, 162. 

 Apatela, List of North American, 365 ; hesi- 



tata, Larva of, 364 ; see also Acronycta 

 Aphelininse, Two new genera of, 133. 

 Aphehnus fuscipennis, 413. 

 Aphidius ribis n. sp., 152, 167. 

 Aphids, Scarcity in the tropics, 211 ; Parasi 

 tized by Aphidius, 294, 487. 



Apidae from New Mexico, 64; Important 

 characters in classification, 336. 



Apis dorsata, Proposed introduction of, 86 ; 

 japonica, 173 ; mellifica, see Honey bee. 



Apocephalus, gen. nov., 501 ; pergandei, fig., 

 499 ; description, 501. 



Applied entomology in the Old World, 264. 



Aproaerema crotalariella, 471 ; sp , 471. 



Arachnida, Table of subclasses, 260 ; List of, 

 from northern Louisiana, 188. 



Arachnopbaga n. gen., 9, 10. 



Aradidse, Habits of, 390. 



Aradus falleni, 493 ; Species new to fauna of 

 D. C., 337 ; niger, Notes on, 389, 411. 



Archenomus, n. gen., 136 ; bicolor n. sp., 137. 



Arctian, 487. 



Argyria nivalis, 464. 



Aristotelia ivae, 470 ; sp., 470. 



Arizona, Insect fauna of southern, 209, 338, 

 340; Hubbard's collection of insects of 

 209 ; Tropical faunal region of, 172 ; 

 Lepidoptera of, 389 ; Insects found on 

 Vitis arizonica, 397. 



Arrhenophagus chionaspidis, 135; Descrip 

 tion of male, 136. 



Artacus, 53; n. gen., 254, 255. 



Arthropods from Porto Rico, Notes on, 486. 



Artificial Hastening of Development, 494. 



Ashmead, W. H., On the genera of the Eupel- 

 midae, 123; Descriptions of five new 

 hymenopterous parasites of Canarsia 

 hammondi (Riley), 124 ; A new species 

 of Roptronia, 132 ; Descriptions of new 

 parasite Hymenoptera, 155 ; On the gen 

 era of the Cleonymidae, 200 ; On the gen 

 era of the Eucharidae, 235; Classifica 

 tion of the old family Chalcididae, 242 ; 

 Magrettina, a new genus in the family 

 Mymosidae, 444; Shorter communica 

 tions, 28, 33, 35, 44, 49, 51, 63, 80, 123, 

 207, 210, 214, 215, 293, 314, 336, 344, 405, 

 411, 421, 431, 432, 435, 486, 487, 488, 491, 

 493, 494, 502. 



Ashmead, W. H. and Dimmock, Qeo. , Notes 

 on parasitic Hymenoptera with descrip 

 tion of some new species, 148. 



