lvi HOST INDEX. 



Olive (Olea europa). Page 



I spidiotua simillimus tranalucena 170 



Black araucaria scale, Chrysomphahis roaai 185 



Black citrus plant louse, Toxoptera aurantiw 78 



Black scale, Saissetia olea 154 



Branch and twig-borer, Polycaon confertua 230 



Citrus thrips. Scirtothripa citri 55 



European Fiorinia, Fiorinia fiorinia 172 



Greedy scale, Aapidiotua camellia 175 



Ivy or oleander scale, Aspidiotus hederce 177 



Net-winged cicada, Platypedia areolata <»1 



Omnivorous looper, Sabulodes caberqta 410 



Pineapple scale, Diaspis bromelia 166 



Purple scale, Lepidosaphes beeku 186 



Red scale, Chryaomphalus aurantii 183 



Olive, Orange or Mock (Prunua caroUniana) . 



Citrus white fly, Dialeurodcs citri 106 



Olive, Wild — see Devilwood. 



Onion (Alii inn cepa). 



Beet armyworm, Laphygma flavimaculata 400 



Black plant-bug, Irbisia brachycerus 213 



Fruit-tree leaf-roller, Archipa argyrospila 430 



Onion thrips, Thrips tabaci 56 



Seed-corn maggot, Phorbia fusciceps 334 



Spotted root fly, Euxesta notata 1 340 



Western armyworm, Euxoa agrcstis 30S 



Yellow bear caterpillar, Diacriaia virginica 300 



Ononis rot undi folio — see Rest-harrow. 



Opuntia {Opuntia spp. ) . 



Cactus-fruit gall-fly, Asphondylia opuntia 321 



Cactus-joint hug, Chelinidea tabulata 204 



Cactus scale, Diaspis echinocacti cacti 168 



California cochineal scale. Dactylopius confusus 122 



Chelinidea oittigera 203 



Ivy or oleander scale, Aapidiotua hederw 177 



Long-tailed mealy bug, Paeudococcua longiapinua 131 



Orange {Citrus attruntiuin and 0. ainenaia). 



Angular-winged katydid, Microcentrum laurifolium 35 



Aspidistra scale, Eemichionaspis aspidiatree 171 



Baker's mealy bug, Paeudococcua bakeri 126 



Barnacle scale, Ceroplaatea cirripediformia 137 



Bean thrips, Heliothripa fasciatus 5:2 



Black citrus plant louse, Toxoptera aurantiw 78 



Black Parlatoria, Parlatoria ziziphus 193 



Black scale, Saissetia olew 154 



Blue sharpshooter, Tettigoniella circellata 66 



Branch and twig-borer, Polycaon confertua 230 



Bur clover or cowpea aphis. Aphis medicaginis 90 



California katydid, Scudderia furcifera 30 



California parsley caterpillar, Papilio zolicaon 45."i 



Chaff scale, Parlatoria pergandii 103 



Citrus mealy bug, Paeudococcua citri 128 



Citrus thrips, Scirtothripa citri 55 



Citrus red spider. Tetranychua mytilospidis 15 



Citrus white fly, Dialeiirodcs citri 196 



Common termite, Tertnes ludfugus 20 



Cottony cushion or fluted scale, Icerya purchasi 110 



Cottony niaple or vine scale, Pulvinaria vitis 136 



Destructive Eleodes, Elcodcs omissa borcalis 201 



