126 PAPEKS ON CEEEAL AND FOEAGE INSECTS. 



Page. 



Rhogas autographse, parasite of Autpgrapha gamma californica 114 



Rice, food plant of Sphenophorus callosus 55-56, 59 



Road-runner. (See Geococcyx calif ornicus .) 



Robber fly. (See Erax lateralis.) 



Robin, western. (See Planesticus migratorius.propinquus.) 



Rotation, crop. (See Crop rotation.) 



Eumex sp., food plant of Autographa gamma californica 112 



Rushes, wild, hibernating shelter of chinch bug 33 



Sage hen (Centrocercus urophasianus), enemy of false wire worms (Eleodes) 75 



Sambucus sp., food plant of Autographa gamma californica 112 



Sargaritis websteri, parasite of Autographa gamma californica 115-116 



Schizoprymnus phillipsi, parasite of Mordellistena ustulata 9 



Sedge, Frank's. (See Carex frankii .) 



Shrike, California. (See Lanius ludovicianus gambeli.) 



Sialia mexicana occidentals, enemy of false wireworms (Eleodes) 76, 85 



Skunk, enemy of Eleodes 85 



Sparrow, western vesper. (See Pocecetes gramineus confmis.) 



Spartium junceum, food plant of Etiella zinckenella schisticolor 91 



Speotyto cunicularia hypogxa 84 



enemy of Eleodes 85 



Sphenophorus callosus 53-71 



adult, description and life history 63-68 



bureau notes 54-57 



description and life history 59-68 



distribution 57-58 



egg, description and life history 59-60 



food plants 58-59 



history of species 54 



injury by beetles 67-68 



larvae to corn 61-63 



larva, description and life history 60-61 



life history and description of stages 59-68 



natural enemies 71 



pupa, description and life history 63 



recent investigations by Bureau of Entomology 68-69 



related to Sphenophorus maidis 53 



remedial and preventive measures 69-71 



Sphenophorus sculptilis Horn a synonym 54 



cariosus, name incorrectly used for Sphenophorus callosus 55 



Sphenophorus sculptilis Uhler a synonym 54 



maidis, adult, description and life history 20-22 



comparison of larva with that of Sphenophorus callosus. . 60 



depredations, records 22 



description and life history 16-22 



distribution 15 



compared with that of Sphenophorus callosus. 57 



early records 11-12 



egg, description and life history 16 



food plants 15-16 



generations, number 22 



history of species 12-14 



