INDEX. 61 



Page. 



('act us insects, species incidentally associated with plant 50-53 



injuring blooms 32 



fruit 32-36 



merely frequenting flowers 49-50 



thai are scavengers 37 39 3 47—49 



relat ion to cochineal industry 9 1 1 



"opwUfay" food plant of Cactop7iagu8 spinolx 1 1 



Cactus radiosus neomexicanvs, flowers frequented by Ashmeadiella cactorum .... 50 



: >ii US palmeri in list of injurious cactus insects 43 



Calandra remote incidentally associated with cactus 52 



< 'ampomctra impartial is incidentally associated with cactus 52 



Camponotus maculattts ricimis var. nitidiventris incidentally associated with 



cactus 53 



sp. incidentally associated with cactus 53 



( 'amptodes cacti, scavenger in cactus, perhaps = Camptodes heterocheilus 48 



hctcrochcitus, Camptodes cacti Duges MS perhaps a synonym 48 



< 'arcinops sp., scavenger in cactus 47 



Carpophilus pall i pen a is frequenting flowers of cactus 49 



Cecidomyia opuntix, bibliographic reference 57 



in list of injurious cactus insects 45 



Cecidomyiidae reared from Opuntia 35 



Centrioptera infausta incidentally associated with cactus 51 



variolosa incidentally associated with cactus 51 



Ceratopogon sp., scavenger in cactus 48 



Cercyon sp. incidentally associated with cactus 51 



Cereus, food plants of Allorhina mutabilis 35, 43 



Cactophagus striatoforatus 44 



Margarodes sp. (formicaruml) 41 



Narnia femorata 41 



Polistes fiavus 36 



Termes flavipes 40 



Hololepta yucateca a scavenger therein 48 



unimportant as forage 11 



Cereus giganteus, food plant of Diaspis echinocacti cacti 42 



Melitara fernaldialis 29 



insect-fauna investigations 11 



insects taken thereon (names preceded by *) . . 39, 41, 43, 44, 45, 47-53 



two species of Gamasidse taken from pulp 53 



Pseudoscorpionidae taken from pulp 53 



macrogonus, food plant of Diaspis echinocacti cacti 42 



pendleri (?), flowers frequented by Agapostemon texanus 50 



polyaeanthus, flowers frequented by Agapostemon texanus 50 



Chalcolepidius viridipilis incidentally associated with cactus 51 



Chauliognathus scut ell aris frequenting flowers of cactus 49 



Chelinidea. three species injurious to cactus 1:5 



Chelinidea sp., an injurious cactus insect 20, 40 



tabulata, an injurious cactus insect 19, 40 



vittigera, an injurious cactus insect 1 5-17, 40 



bibliographic reference 54, 55 



control of this- and allied species 20 



description of stages 18-19 



dimorphism 19 



distribution 17 



