207 



Red scale, orange, Chrysomphalus aurantii ... i'. 76 



spider, cotton, Tetranychus gloveri ... ... 7, 58 



, sweet potato, Tetranychus telarius ... ... 101 



spotted scale, Chrysomphalus aonidum ... ... 78 



Repellents ... ... ... ... ... ... 163 



Reproduction in insects ... ... ... ... 19 



Respiration in insects ... ... ... .... 14 



Rhynchophorus palmarum, palm weevil ... ... 107 



Ripe-fruit flies, Drosophila spp. ... ... ... 158 



Root borer, Diaprepes abbreviatus ... ... ... 66 



Rosin ... ... .. ... ... ... 171 



Rubber, pests of ... ... ., ... ... 109 



Rust mites, Phytoptus oleivorous ... ... ... 82 



s. 



Saissetia nigra, Black scale of cotton ... ... ... 56 



, parasite of, Zalophothrix mirum .... ... 56 



Sarcopsylla penetrans, Jigger ... ... ... 125 



Sarcoptes mu tans, itch mite of fowls ... ... .. 140 



Saw-toothed grain beetle, Silvanus surinamensis ... 155 



Scale insects, cotton ... ... ... ... ... 56 



Scale- winged insects, Lepidoptera ... ... ... 28 



Scarabee or Jacobs, Cryptorhynchus batatae ... ... 96 



Schistocerca pall ens. grasshopper ... ... ... 73 



Scorpion ... ... .. ... .. ... 5 



Screw worm, Compsomyia macellaria ... ... ... 134 



Senses of insects ... ... ... ... ... 19 



Sheath-winged insects, Coleoptera ... ... ... 26 



Sheep bot, Oestrus ovis ... ... .. ... 136 



Shield scale fungus, Cephalosporium lecanii ... ... 78 



mealy, Pulvinaria pyriformis ... ... ... Ill 



Shot borer, Xyleborus perforans ... ... ... 69 



Sick or house cricket, Amphiacusta caribbea . ... 145 



Silvanus surinamensis, saw-toothed grain beetle ... 154 



Silver fish, Lepisma ... ... ... ... ... 145 



Sitodrepa panicea, Drug store beetle ... ... ... 153 



Sitotroga cerealella, Augoumois grain moth ... ... 156 



Snow scale, cocoa-nut, Diaspis hoisdnvalli ... ... 103 



orange, chionaspis citri ... ... ... 76 



Solenopsis geminata, red or stinging ant ... ... 146 



Sphaerostil be coccophila, red-headed fungus ... ... 76, 81 



Sphenophorus sericeus, weevil borer ... ... ... 64 



sordidus, banana borer ... ... 112 



