INDEX. 77 
Page. 
Fungous diseases of white flies, spreading them, results in relation to abundance 
of white flies 57 
to increase their efficacy Gl-68 
susceptibility of different stages of host insects 
to infection 58 
Fungus, amounts to use in water mixtures for spread of infection among white 
flies 54 
cinnamon. (See Verticillium heterocladum.) 
brown (see also JEgerita webberi). 
efficacy as parasite of citrus white fly compared with red 
fungus 46-47 
on Aleyrodes citri and Aleyrodcs nubifera 12 
red (see also Aschersonia alcyrodis). 
efficacy as parasite of citrus white fly compared with brown fungus . 46-4 7 
on Aleyrodes citri and Aleyrodes nubifera 12 
redheaded scale. (See Sphserostilbe coccophila.) 
white-fringe. (See Microcerasip.) 
yellow (see also Aschersonia flavo-citrina). 
efficacy as parasite of cloudy-winged white fly 46-47 
on Aleyrodes citri and Aleyrodes nubifera 12 
Fungi of little or no value as white-fly parasites 32-38 
Gardenia jasminoides, food plant of citrus white fly 10 
Grapefruit (see also Citrus, Orange, and Tangerine). 
food plant of Aleyrodes citri and Aleyrodes nubifera 12 
Guava, food plant of Aleyrodes floridensis 25 
Jessamine, Cape. (See Gardenia jasminoides.) 
Lacewing flies, hosts of hymenopterous parasites 9 
two or three species enemies of citrus white fly 9 
Lecanium hesperidum. (See Coccus hesperidum.) 
Lepidosaphes becJcii, host of Verticillium heterocladum 38 
gloveri, host of Verticillium heterocladum 38 
Ligustrum spp., food plants of citrus white fly 10 
Liquidambar styraciflua, food plant of scale insect attacked by Aschersonia flavo- 
citrina 27 
Melia azedarach, food plant of citrus white fly 13-14 
umbraculifera, food plant of citrus white fly 13-14 
Meliola sp. , food of Bulimulus dormani 9-10 
''Miami snail " 9-10 
on citrus. 9-10 
overrunning Aschersonia aleyrodis 26 
Microcera sp. , probably mostly saphrophytic on white flies 34, 35 
Mulberry, Spanish, food plant of undetermined aleyrodid 25 
Orange (see also Citrus, Grapefruit, and Tangerine). 
food plant of Aleyrodes citri and Aleyrodes nubifera 12 
Overcrowding in control of white flies 18-19 
Paraleyrodes persese, a citrus-infesting species 8 
host of Encarsia variegata 8 
Potato, sweet, food plant of Aleyrodes inconspicua 24-25 
Privets. (See Ligustrum spp.) 
Prospaltella aurantii, parasite of Aleyrodes coronata 8 
tested as to ability to parasitize citrus white fly 8 
citreila, parasite of Aleyrodes coronata 8 
tested as to ability to parasitize citrus white fly 8 
lahorensis, parasite of citrus white fly 8 
Rainfall and relative humidity records during experiments in spraying fun- 
gous pustules 65-66 
Rains, beating, in control of citrus and cloudy-winged white flies 10 
Scale insect on Liquidambar styraciflua, host of Aschersonia flavo-citrina 27 
soft. (See Coccus hesperidum.) 
Snail, Manatee. (See Bulimulus dormani.) 
Miami, feeding on sooty mold ( Meliola sp.) 10 
Sooty mold. (See Meliola sp.) 
Sphserostilbe coccophila of little or no value as a white fly parasite 38 
Spiders, enemies of citrus white fly . . . '. 9 
Sporotrichum of little value as a parasite of white flies 36-37 
Spraying water mixtures of fungous spores and mycelia 51-52 
