INDEX. 65 



Page. 



i eh ria bifasciata in list of injurious cactus insect.- 43 



eaetophaga, bibliographic reference 57 



in list of injurious cactus insects 44 



elathrata, an injurious cactus insect 30, 44 



Jbibliographic reference 57 



hubbardi in list of injurious cactus insects 43 



on punt hi vulgaris 30 



nobilis, an injurious cactus insect 30, 43 



opunti.T, 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 



< rnaphalium, food plant of Platynota rostrana 45 



Thdronema robusta in list of injurious cactus insects 40 



Halictus sp. frequenting flowers of cactus 49 



Hand picking against Moneilema (rassiun 14 



//< licobia quadrisetosa, sea venger in cactus 49 



Jit lops farctus incidentally associated with cactus 52 



Heriades gracilior frequenting flowers of cactus 50 



II, rmetia chrysopila, an injurious cactus insect 38-39 



scavenger in cactus 48 



huntcri. an injurious cactus insect 38-39 



bibliographic reference 57 



scavenger in cactus 48 



Ifilunlla decern, scavenger in cactus 49 



ffippodamia oonvergens, enemy of cactus insects (aphides) 45 



Ilololepta cacti, scavenger in cactus 47 



strigicolle, scavenger in cactus 48 



vicinct, scavenger in cactus 48 



yucatcca, scavenger in cactus 48 



Iloloparamecus pacificus, scavenger in cactus 48 



ffomalota sp., scavenger in cactus 47 



Hulnocera pubescens, enemy of cactus insects 46 



Hyperaspis cruenta, enemy of cactus insect (Dactylopius confusus) 24, 46 



trifurcata, enemy of cactus insect (Dactylopius confusus) 24, 46 



Ifyporhagus opuntiae, scavenger in cactus 48 



texanus, bibliographic reference •. . . . 55 



scavenger in cactus 48 



Iridomyrmcx anal is, attendant of aphis on Opuntia versicolor, Opuntia engelmanni, 



and Opuntia fulgida 53 



incidentally associated with cactus 53 



Kerosene emulsion in control of cottony cochineal insect 24 



Kricngon in lysida incidentally associated with cactus 52 



I /,et ilin coccidivora, enemy of cactus insect (Dactylopius ronfnsus) 24, 46 



Largus succinctus in list of injurious cactus insects 40 



Li pidosaphes (Opuntiaspis) philococcus in list of injurious cactus insects 42 



^eptinotarsa haldemani frequenting flowers of cactus 49 



JLeptochirus edax, scavenger in cactus 47 



Leptothorax .-p. incidentally associated with cactus 52 



/.. opis bella, enemy of cactus insect (Dactylopius confusus) 47 



bellula, bibliographic reference 54,55 



enemy of cactus insect (Dactylopius confusus) 47 



5097-V Hull. L13— 12 5 



