INDEX. 61 



Page. 



Cactus insects, species incidentally associated with plant 50-53 



injuring blooms 32 



fruit 32-36 



merely frequenting flowers 49-50 



that are scavengers 37-39, 47-49 



relation to cochineal industry 9-11 



"opuntia," food plant of Cactophagus spinolx 44 



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



Csenopceus palmeri in list of injurious cactus insects 43 



Calandra remota incidentally associated with cactus 52 



Campometra impartialis incidentally associated with cactus 52 



Camponotus maculatus vicinus var. nitidiventris incidentally associated with 



cactus 53 



sp. incidentally associated with cactus 53 



Camptodes cacti, scavenger in cactus, perhaps = Camptodes heterocheilus 48 



heterocheilus, Camptodes cacti Duges MS perhaps a synonym 48 



Carcinops sp. , scavenger in cactus 47 



Carpophilus pallipennis frequenting flowers of cactus 49 



Cecidomyia opuntix, bibliographic reference 57 



in list of injurious cactus insects 45 



Cecidomyiidse 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 



Margarodcs sp. (formicarum?) 41 



Narnia femorata 41 



Polistes flavus 36 



Termes flavipes 40 



Hololepta yucateca a scavenger therein 48 



unimportant as forage 11 



Cereus giganteus, food plant of Diaspis echinocacti cacti 12 



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 



Pseudoscorpionidse taken from pulp 53 



macrogonus, food plant of Diaspis echinocacti cacti 42 



pendleri (?), flowers frequented by Agapostemon texanus 50 



polyacanihus , flowers frequented by Agapostemon tcxan us 50 



Chalcolepidius riridipilis incidentally associated with cactus 51 



Chauliognathus scateUaris frequenting flowers of cactus -19 



Chelinidea, three species injurious to cactus 13 



Chelinidea sp., an injurious cactus insect 20, 40 



tabulata, an injurious cactus insect 19, 49 



vittigera. an injurious cactus insect 15-17, 40 



bibliographic reference 54, 55 



control of this and allied species 20 



description of stages L8 19 



dimorphism 19 



distribution 17 



