Cahhaij:*' worm, Pontia rapw ^^' 



HOST INDEX. XXIX 



Squash {('itcurbitu sp. ) . ' 



Itrosophila husckii ^^^ 



Ilarlequiu cabbage bug. MuryunUa histrionka 1'*':^ 



Six-spotted mite, Tvtninijclius blmnciikitiis * 



Squash bug, Aiiasa trisiis 1^' 



Striped cucumber beetle, Uiahroikii rlttuta -'^J^ 



Twelve-spotted cucumber beetle, Diabrotica soror ^'— J 



Stangeria schizodon. _ ^^ 



Long-tailed mealy bug. Pseiidococcus longtsptiiiis J-UO 



Strawberry (Fixnidiia sp. ) . 



False chinch bug, Nysiiis aiKjustatiis 1^-' 



Fuller's rose beetle, Aramigus fiiUcri -40 



Grain thrips. Eiifhrips tritici ^^ 



Greenhouse orthezia. Orthezia insiyiiis ^-J 



Strawberry crown borer, Sesia riitikin>s 191 



Strobilanthes sp. „._, 



Greenhouse orthezia, Orthezia iiisigiiis -J'^ 



Sunflower {HcUtnifhiis aniinus). ^ 



Beau thrips. HduAhnps fasciatus /J_^ 



Beet army worm, LapJn/fiina exigiia l'^'^ 



Harlequin cabbage bug, Miirgantia histrionica 146 



Sumach (Rhus sp. ). 



Apple leaf-hopper. Empoasca mali 41 



Black scale. t<aissctia olew ll^ 



Cantaloupe fly. Eii.rcsfa notaia -■49 



Cottony maple scale, Puhinarki vitis 111 



Ivy scale, Aspidiotiis hcderw 1—' 



Sweet Alyssum iAhjssiim maritimiim) 

 Cabbage worm, Pontia rapw 



Sweet Gum (TAquiddnibiir styracifliia) . 



("oUony cushion scale. Iccnja purchasi °-^ 



Sycamore (Platanus sp.). 



Black scale, Saissetia olece H"^ 



Cottony maple scale, Piilvinarm vitis HI 



Frosted scale. Eiilrcnniiim pruinosum H*'' 



Tacsonia mollissima. „^ 



Bean thrips, HelkjtJirips fasciatus ^^ 



Tallow Tree {:><apiiini sebifcrum). 



O.vster shell scale, Lcpidosaphcs iihni 139 



Tangerine, see Citrus. 



Tea ( 'riica sp.). " i-io 



Florida wax scale. Ceroplastes fiorideiisis H'^ 



Greenhouse orthezia, Orthezia insignis 93 



Japanese wax scale, Ceroplastes cerifertis HI 



Red scale. Chrifsomphahis aitrantii l'^«^ 



Thespesia sp. ^^„ 



Black scale. Saissetia olece 14J 



Tobacco (Nicotiaiia tabacinn) . 



Citrus mealy bug, Pseiidococcus citri 1^; 



Potata tuber moth, Phthorimwa operculella 16T 



Tobacco sphinx. Phlegethoiitius quinqueniacuhita 15''' 



Tomato sphinx. Phhgrtliontius sexta 156 



Tobacco, Tree ( Xii-otiaua ghuica). 



Bean thrips, HcJinthrips fasciatus 3" 



Tobacco, Wild {Miiinilus bolanderi). 



Beet army worm, Laphygma exigua l^-J 



Thorn-apple (Datura sp.). 



Apple leaf-hopper. /'J(»yjort.5Cfl mali 41 



Thunbergia sp. „ 



Greenhouse orthezia. Orhtezia iiisigiits .J-, do 



Six-spotted mite. Tetranychiis bimaculatus 8 



Tick, Bean, see Broad Bean. 



Tomato (Lijcopersicum csculentum). 



Greenhouse orthezia. Orthezia insignis 93 



Greenhouse white fly, Aleyrodcs vaporariorum 145 



