66 PRINCIPAL CACTUS INSECTS OF UNITED STATES. 



Page. 



L'nj'j \dohera us incidentally associated with cactus 51 



Lime-sulphur mixture againfit cottony cochineal insect 24 



Limotina -p.. a avenger in cactus 49 



■ incidentally associated with cactus 52 



Liotropis roiitniitiit'it'is. an injurious cactus insect 3G. 40 



bibliographic reference ~,i; 



lAstrus sp. frequenting flowers of cactus * .\§ 



tcharis tabadna, scavenger in cactus a 



IAthurgus apicalis, bibliographic reference 56 



opuntix frequenting flowers of cactus 50 



(rhinorartl, bibliographic reference 55, 51 



frequenting flowers of cactus 50 



Lobos hesperins. bibliographic reference :>:, 



=Stylopidea pieta 55 



Longevity of larva of Hermetia chrysopila 38-39 



Lopidt a cuneata in list of injurious cactus insects 40 



Luperodes brunneus frequenting flowers of cactus 49 



Lycxna discoidalis frequenting flowers of cactus 40 



Lygaeus abulus incidentally associated with cactus 51 



Macrotylus verticalis in list of injurious cactus insects 41 



Mammillaria phellosperma, bibliographic reference 54 



injury by sowbugs 53 



Margarode8 sp. (formicarum?) in list of injurious cactus insects 41 



Marmara opuntidla. an injurious cactus insect 13, 31-32, 45 



bibliographic reference 50 



Mnscochara puberula, scavenger in cactus 47 



semiielutina, scavenger in cactus 4 7 



spacella, scavenger in cactus 47 



sp., scavenger in cactus 47 



valida, bibliographic reference 54 



scavenger in cactus 47 



\f, gachile opuntiarum= Megachile populi 50 



popuH frequenting flowers of cactus 50 



sidalcese, bibliographic reference 50 



frequenting flowers of cactus 50 



Mt oaphycis bollii, bibliographic reference 54 



Megasternum cerei, scavenger in cactus 47 



.1/* Iba jninrlicoUis. scavenger in cactus 47 



M< lissodes opuntidla frequenting flowers of cacl us 50 



pallidicincta, bibliographic reference 



frequenting flowers of cactus 50 



Melitara, four species injurious to cactus 13 



hi >st 1 >f I'howcera comstochi -JO 



possible host of Apanteles (PseudapanU les) sp -10 



sp 16 



prey of Trichodes Hbalteatus 4ii 



Melitara a\ ntata, an injurious cactus insect 28,45 



bibliographic reference 54 



host oi ( h> tonus laticinc&us 28, 46 



ildialis, an injurious cactus insect 29, l-"> 



eella, an injurious cactus insect 25-28,44 



bibliographic reference 51 



control 27-28 



