INDEX. 65 



Page. 



Gerstseckeria bi/asdata in list of injurious cactus insects 43 



cactophaga, bibliographic reference 57 



in list of injurious cacl us insects 44 



clathrata, an injurious cactus insect 30, 44 



bibliographic reference 57 



hubbardi in list of injurious cactus insects 43 



on Opuntia vulgaris 30 



nobilis, an injurious cactus insect 30, 43 



opuntise, bibliographic reference 57 



in list of injurious cactus insects 44 



porosa, an injurious cactus insect 29-30, 43 



tessellata, bibliographic reference 57 



turbida in list of injurious cactus insects 44 



(inaphalium, food plant of Pkttynotd rostrana 45 



Hudronema robusta in list of injurious cactus insects 40 



f lul ictus sp. frequenting flowers of cactus 49 



Hand picking against Moneilema crassum 14 



Ilclirobia quadrisetosa, scavenger in cactus 49 



Helops farctus incidentally associated with cactus 52 



lit riades gracilior frequenting flowers of cactus 50 



Hermctia chrysopila, an injurious cactus insect 38-39 



scavenger in cactus 48 



hunteri, an injurious cactus insect e 38-39 



bibliographic reference v . . 57 



scavenger in cactus 48 



Hilarella deems, scavenger in cactus 49 



Ilippodamia convergens, enemy of cactus insects (aphides) 45 



IMolepta cacti, scavenger in cactus 47 



strigicolle, scavenger in cactus 48 



vicina, scavenger in cactus 48 



yucateca, scavenger in cactus 48 



Holoparamecus pacifieus, scavenger in cactus 48 



Homalota sp., scavenger in cactus 47 



Hydnocera pubescens, enemy of cactus insects 46 



Ilyperaspis eruenta, enemy of cactus insect (Dactylopius eonfusus) 24, 46 



trif areata, enemy of cactus insect (Dactylopius eonfusus) 24, 46 



Hyporhagus opuntise, scavenger in cactus 4S 



texanus, bibliographic reference , 55 



scavenger in cactus 48 



Iridomyrmex analis, attendant of aphis on Opuntia versicolor i puntia engelmanni, 



and Opuntia fulgida 53 



incidentally associated with cactus 53 



Kerosene emulsion in control of cottony cochineal insect 24 



Kricogonia lysida incidentally asa >ciated with cactus j 52 



l.:i ti/in coccidivora, enemy of cactus insect (Dactylopius eonfusus) 24,46 



Largus succinctus in list of injurious cactus insects 40 



I.i ■■pidosaphes (Opuntiaspis) philoeoccus in list of injurious cactus insects 42 



Leptinotarsa haldemani frequenting flowers of cactus 49 



Leptochirus edax, scavenger in cactus 47 



Leptothorax sp. incidentally associated with cactus 52 



Leucopis bella, enemy of cactus insect (Dactylopius eonfusus) 47 



bellula, bibliographic reference 54, 56 



enemy of cactus insect (Dactylopius eonfusus) 47 



50975°— Bull. 113—12 5 



