INDEX. 159 



Page. 



Salsola tragus, infesting cattle range in New Mexico 61 



Salt against Tipulidae 130 



Sapsucker, yellow-bellied. (See Sphyrapicus varius.) 



Sayornis nigricans, enemy of Tipulidae 129 



phcebe, enemy of Tipulidae 1 29 



sayus, enemy of Tipulidae 129 



Scutellaria drummondii, food plant of Aphis maidi-radicis 104 



Seed-corn maggot, injury to seed corn 25 



Selenia (?) sp., food plant of Aphis maidi-radicis 104 



Setaria glauca, food plant of Aphis maidi-radicis 102, 103 



Contarinia sorghicola 45 



viridis, food plant of Aphis maidi-radicis 102 



Setophaga ruticilla, enemy of Tipulidae 130 



Sheep, herding to destroy ' ' meadow maggots " 130 



Sheepweed. (See Gutierrezia sp.) 



Shepherd's purse. (See Capsella bursapastoris.) 



Sieglingia seslerioides, host plant of Contarinia sorghicola 45 



Sigalphus sp., parasite of Chalcodermus seneus 145 



Siphoplagia anomala, parasite of Hemileuca olivix 92 



Sitanium jubatum, food plant of Hemileuca olivix 79 



Sitones flavescens, destructive to red and white clover 29 



number of broods annually 33 



hxmorrhoidalis= Sitones hispidulus 30 



hispidulus 29-38 



adult, description 34 



bibliography 38 



bird enemies 37 



descriptions 34-35 



egg, description 35 



feeding habits 36 



food plants 36-37 



history in America 31-32 



foreign countries 30-31 



larva, description 35 



natural checks 37 



preventives and remedies 38 



pupa, description 



seasonal history 32-34 



lineatus, hibernation 32 



injurious to peas, beans, and clover 29 



number of broods annually 33 



puncticollis, hibernation 32 



injurious to peas, beans, and clover 29 



number of broods annually 33 



Skullcap. (See Scutellaria drummondii.) 

 Smartweed. (See Polygonum lapathifolium.) 

 "Snake-weed. " (See Gutierrezia sp.) 

 Sneezeweed. ■ (See Eelenium tenuifolium.) 

 Snipe, Wilson. (See (iiilliiitu/o delicata.) 

 Bnowflake. (See Passerina nivalis.) 



Solanum nigrum, food plant of Aphis maidi-radicis 104 



Solenopsis delilis, attendant on Aphis maidi-radicis L06 



geminata, attendant on Aphis middletoni 116 



molesta, attendant on Aphis middletoni 1 u\ 



