66 PRINCIPAL CACTUS INSECTS OF UNITED STATES. 



Page. 



Ligyrocoris pseudoherasus incidentally associated with cactus 51 



Lime-sulphur mixture against cottony cochineal insect 24 



Limosina sp., scavenger in cactus 49 



Lineodes Integra incidentally associated with cactus 52 



Liotropis contaminatus, an injurious cactus insect 36, 40 



bibliographic reference 56 



Listrus sp. frequenting flowers of cactus 49 



Litliocharis tabacina, scavenger in cactus 47 



Litliurgtis apicalis, bibliographic reference 56 



opuntise frequenting flowers of cactus 50 



echinocacti, bibliographic reference 55, 56 



frequenting flowers of cactus 50 



Lobos hespcrius, bibliographic reference 55 



=Stylopidea picta 55 



Longevity of larva of Eermetia chrysopila 38-39 



Lopidea cuneata in list of injurious cactus insects 40 



Luperodes brunneus frequenting flowers of cactus 49 



Lycsena discoidalis frequenting flowers of cactus 49 



Lygseus abvhis incidentally associated with cactus 51 



Macrotylus verticalis in list of injurious cactus insects 41 



Mammillaria phellosperma, bibliographic reference 54 



injury by sowbugs 53 



Margarodes sp. (formicarum?) in list of injurious cactus insects 41 



Marmara opuntiella, an injurious cactus insect 13, 31-32, 45 



bibliographic reference 56 



Maseochara puberula, scavenger in cactus 47 



semivelutina, scavenger in cactus 47 



spacella, scavenger in cactus 47 



sp. , scavenger in cactus 47 



valida, bibliographic reference 54 



scavenger in cactus 47 



Megachile opuntiarum= Megachile populi t 50 



populi frequenting flowers of cactus 50 



sidalcex, bibliographic reference 56 



frequenting flowers of cactus 50 



Megaphycis bollii, bibliographic reference 54 



Megasternum cerei, scavenger in cactus -i 7 



Mdba puncticollis, scavenger in cactus 47 



Mclissodes opuntiella frequenting flowers of cactus 50 



pallidicincta, bibliographic reference 56 



frequenting flowers of cactus 50 



Melitara, four species injurious to cactus 13 



host of Phorocera comstochi -1 6 



possible host of Apanteles (Pseudapanteles) sp 46 



sp 16 



prey of Trichodes bibalteatus 46 



Melitara dentata, an injurious cactus insect 28, 45 



bibliographic reference 54 



host of Chelonus lalicinctvs 28, 46 



fernaldialis, an injurious cactus insect 29, 45 



junctolineella, an injurious cactus insect 25-28, 44 



bibliographic reference 56 



control 27-28 



