INDEX. 199 



Page. 



Thrips madronii, characters in table 44 



food plants 58, 67 



new species, description 57-58 



onion. (See Thrips tahaci.) 



orange 119-122 



description of female 121-122 



distribution 119 



injury, nature and extent 119-120 



life-history notes 120 



remedies 121 



prevalence as affected by soil conditions 120-121 



pear. (See Euthrips pyri.) 



tahaci, characters in table 44 



food plants : 59, 68 



injury to onion 41 



Thysanoptera, contribution to a knowledge of those in California 39-68 



economic importance 39-^1 



of California, key to genera 42-43 



species 43-45 



suborders and families 42 



Thysanus, characters in table 72 



Tobacco, Aleyrodidae infesting it 89-90 



extract against tobacco thrips 121 



Tomato, food plant of Aleyrodes vaporariorum 93 



Townsend, Charles H. T., paper, "A Record of Results from Rearings and Dis- 

 sections of Tachinidse " 95-118 



Trabutina in catalogue of Coccidse 4 



elastica in catalogue of Coccidse 4 



Tray, "tanglefooted," use in rearing Tachinidae 96-97, 110, 115 



Triachora unifasciata, eggs, uterine 116 



Tricholyga grandis, eggs, uterine 108 



habits 106 



important parasite of Euproctis chrysorrhoea 118 



jjarasite of Hemerocampa leucostigma 112 



Hyphantria cunea 112 



Trkhophora ruficauda. (See Copecrypta ruficauda.) 



Trichothrips characters in table 43 



dens, characters in table 44 



food plant 61, 68 



new species, description 60, 61 



femoralis, characters in table 44 



food plant 62, 68 



new species, description 61-62 



ilex, characters in table 44 



food plant 63, 68 



injury to Christmas berry {Heteromeles arbutifolia) 40-41 



new species, description 62-63 



dumosa, characters in table 44 



food plant 63, 68 



new variety, description 63 



Trionymus hordei in catalogue of Coccidse ^ 4 



nanus in catalogue of Coccidae 5 



