INDEX. 197 



Page. 



Sipha Jlava, life liistory 156-163 



male, adult, description 167 



after second molt, description 166-167 



third molt, description 167 



oviparous generation 161-163 



descriptions 165-167 



pupa of winged viviparous female, description 165 



viviparous generation 159-161 



descriptions 163-165 



rubifolii on blackberry (Rubus) ; not a true Sipha 157 



Sisyropa sp., eggs, uterine 116, 117 



Smartweed. (See Polygonum incarnatuv) .) 



Soap washes against orange thrips 121 



Solidago canadensis, food plant of Orthezin solidngin is 3 



sp., food plant of Orthezin solidaginis 3 



Sorghum, food plant of Aphis maidi-radicis 124 



maidis 145 



Sipha Jlava 157 



halpense, food plant of Sipha Jlava 168 



Sorrel. (See Oxalis stricta.) 



Sphserococcus pustulans in catalogue of ('occidee 4 



Spharganimn leaves, place of oviposition of Chrysops mwrens 38 



Spiders, enemies of Tabanus sulcifrons 27 



Spirses:, food plants of Aleyrodes fernaldi 93 



Squash, food plaat of Aphis maidi-radicis 124 



Stictococcus in catalogue of CViccidae 7 



sjostedi in catalogue of Coccidse 8 



Stock, live, hosts of Tabanus sulcifrons 22 



rivax 32 



Strawberry, AlejTodidte infesting it 93 



Strobilanthus sp., food plant of Phenacaspis strobilantki 12 



Styphclin sp. , food plant of Ctenochiton serratus 7 



virgata, food plant of Aspidiotus immarulafus 13 



Sugar cane, Aleyrodidae infesting it 90 



' food plant of Aleyrodes bergi 70 



sp 70 



Syzygium pscudo-jambolanum , food jilant of Lepidosaphes ungulata 17 



Tabanidse, habits and life histories of certain species 19-38 



Tabanus atratus, habits and life history 34-36 



larva, full-grown, description 35-36 



])upa , description 36 



lasiophthalmus, adult, description 22 



habits and life history 19-22 



larva, mature, description 22 



Jjupa, description 22 



stygius. adult, description 32 



habits and life history 28-32 



larva, newly hatched, description 31 



pupa, description 31 



sulcifrons. adult . description 23 



habits and life history 22-28 



pupa case, descrij)lion 28 



vivax, adult, description 32-33 



