84 PAPERS ON INSECTS AFFECTING VEGETABLES. 



Soap — Continued. Page. 



whale-oil, and nicotine sulphate against Hawaiian beet web worm 10 



whale-oil, and nicotine sulphate against looper, Autographa precationis 10 



whale-oil, and nicotine sulphate against southern beet web worm 22 



whale-oil, and nicotine sulphate against thrips 10 



whale-oil, and Paris green against Hawaiian beet web worm 8, 10 



whale-oil, and Paris green against horse-radish web worm 76 



whale-oil, and Paris green against imported cabbage web worm 38 



whale-oil-, and Paris green against southern beet web worm 22 



whale-oil, and Paris green against sugar-beet web worm 63-64 



whale-oil, nicotine sulphate, and Paris green against imported cabbage 



webworm 40 



whale-oil, Paris green, and lime against imported cabbage webworm 39-40 



Spinach aphis. (See Myzus persicse and Rhopalosiphum dianihi.) 



Spinach — 



food plant of Feltia annexa 48 



food plant of Porosagrotis vetusta • 48 



"Spinach, " so-called, of Hawaii, not the cultivated spinach of America 2 



"Spinach, " so-called. (See Amaranthus sp.) 



Spoladea recurvalis = Hymenia fascialis 13 



Sprayers, barrel, use against sugar-beet webworm in Colorado 11 



Spraying machinery against sugar-beet webworm 66-69 



Sugar-beet webworm. (See Loxostege sticticalis .) 



Temelucha (Porizon) macer, parasite of Hellula undalis 31-32 



Thistle,' Russian. (See Salsola tragus.) 



Thrips, control by nicotine sulphate and whale-oil soap 10 



Tobacco, food plant of Porosagrotis vetusta 48 



Turnip, Japanese, food plant of Hellula undalis . 32 



Turnips — 



food plants of Hellula undalis 24, 25, 26, 27, 30 



food plants of Porosagrotis vetusta 47 



Tyroglyphus americanus, enemy of Hellula undalis 32 



Watermelon, food plant of Porosagrotis vetusta 47-48 



Webworm — 



Hawaiian beet. (See Hymenia fascialis.) 

 horse-radish. (See Plutella armoracea.) 

 imported cabbage. (See Hellula undalis.) 

 southern beet. (See Pachyzancla bipunctalis.) 

 sugar-beet. (See Loxostege sticticalis.) 



1 ' Wilt " disease of Hellula undalis in Hawaii 38 



Zinckenia fascialis — 



bibliographic reference 15 



Zinckenia recurvalis — 



bibliographic reference 15 



= Hymenia fascialis 13 



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