INDEX. 93 
Cyniodcma tabida, mistaken for chinch Mil: 
Decoy plats of grains and grasses, In combating chinch bug 62,72 
Diabrotica, course of diffusion 89 
longicomis 7<*» 
course of diffusion 80 
Dimorphism, in Blissus doriw 84 
chinch bug 22,75 77 
Dispersal of insects, effected by storms 19,20 
Distribution, geographical, of chinch bug 9 10 
vertical, of chinch bug 89 90 
Droughl necessitates watchfulness againsl chinch bug »;.". <;i 
Dynastes tityus, course of diffusion 89 
Eciton liiiiiiiit urn. enemy of chinch bug 25 
Etnpusa aphidis Entomophthora aphidis 17 
Entomophthoi a aphidis, fungous enemy of aphides 17 
chinch bug 1 1. 17 
sjijui rospt rum, fungous enemy of Phytonomus punctatus 55 
Epicauta pennsylvanica, attacked by Sporotrichum globuliferum •""••"'> 
Tiros, prairie, relation to numbers of chinch bugs 87 89 
Fl ling, in destroy chinch bug 69 
Flower bug, insidious. (See Triphleps insidiosus.) 
Freezing, eflfecl on chinch bug 17 L8 
Frog, enemy of chinch bug 59 
Fungous enemies of chinch bug -1 f 58 
determination 4»; 17 
field and laboratory experiments in Indiana. 47-.~><» 
first field applications 51 
meteorological influences favoring develop- 
ment '. 56 57 
practical utility * 58 
work of Professor Snow in Kansas -".1 53 
Geocoris borealis, mistaken for chinch bug 32 
bullatus, mistaken for chinch bug 32 
fuliginosus, mistaken for chinch bug 32 
limbiif us, mistaken for chinch bug- 32 
Grain, all kinds, food plants of chinch hug 30 
Grass, Bermuda. (See Capriola dactylon.) 
blue, i Sec Poa pi atensis. I 
botl le. i Sec Ixophorus viridis. i 
crab, i See Syntherisma sanguinalis.) 
meadow foxtail. I See Ixophorus glaucus.) 
oat. i s< i Arrhenatherum. i 
panic, i Sec Panicum crus-galli. I 
Grasses, all but Cenchrus attacked by chinch bug L3 
•• Hair snake." I 6f< i Mermis. i 
Herd's grass. (S( e Timothy, i 
Hibernation of chinch bug 1 (l L8 
Hungarian grass, food planl of chinch buu r 29 
Hylastinus obscurus, course of diffusion 89 
insects, dispersal effected by storms 19,20 
Ischnodemus faliCUS, mistaken lot- chinch hug '.V2 
l8Chnorhynchu8 didymus, mistaken for chinch hug :v2 
