INDEX. 



Page. 



Acalles clathratus, bibliographic reference 56 



=Gerstseckeria elathrata 56 



nobilis, bibliographic reference 55, 56 



=Gerstxckeria nobilis 56 



turbidus, bibliographic reference 55, 56 



=Gerstxckeria turbida . . . . _ 55, 56 



Acanthococcus sp., bibliographic reference 55 



Acmseodera pulchella frequenting flowers of cactus 49 



quadririttata frequenting flowers of cactus "0 



tubulus frequenting flowers of cactus 49 



Acritus arizonx, scavenger in cactus 48 



Agapostemon texanus frequenting flowers of cactus 50 



Agrypnus sallei incidentally associated with cactus 51 



Aleochara sp., scavenger in cactus 47 



Aleocharine, genus unknown, scavenger in cactus 47 



Alindria teres, scavenger in cactus 48 



Allorhina mutabilis, an injurious cactus insect 35, 43 



Anasa tristis incidentally associated in cactus 51 



Anthicus inferens incidentally associated with cactus 52 



Ant, white. (See Termes flavipes.) 



Apanteles (Pseudapanteles) sp., possible parasite of cactus insect (Melitara). ... 46 



sp., possible parasite of cactus insect (Melitara) 46 



Apantesis arge in list of injurious cactus insects 44 



Apheloglossa rufipennis, scavenger in cactus 47 



Aphis medicagin is, hibernating on Opuntia 25 



in list of injurious cactus insects 41 



sp. on Echinocereus, attended by Formica subpolita 53 



Opuntia versicolor and Opuntia fulgida, attended by Crcmastogaster 



sp 52 



Opuntia engelmanni, and Opuntia fulgida, at- 

 tended by Iridomyrmex analis 53 



Apotrepus densicollis incidentally associated with cactus 52 



Arsenate of lead against Chorizagrolis soror 15 



Moneilema crassum 15 



powdered, against Mimorista flavidissimalis 22 



Ashmeadiella cactorum frequenting flowers of cactus 50 



echinocerei frequenting flowers of cactus 50 



opuntix frequenting flowers of cactus 50 



Asphondylia, three species injurious to cactus 13 



Asphondylia arizonensis, bibliographic reference 57 



in list of injurious cactus insects 45 



betheli, bibliographic reference 56, 57 



in list of injurious cactus insects 45 



opuntix, an injurious cactus insect 34, 45 



bibliographic reference 57 



Ataxia crypta included in list of injurious cactus insects 51 



59 



