92 INDEX. 
Pag 
Chinch bug, distribution, geographical ( .ci<> 
vertical '.. 
effect of cold and wet weather is 
freezing 17-18 
__. description 21 
period 20 21 
• eggs, number deposited 20-21 
false, i See Kysius angustatus.) 
food plants 29-31 
form from Grenada large and variable 90 
frog an enemy 59 
fungous enemies 4 1 58 
practical utility 58 
generations annually 25-28 
gregarious habit 74-7." 
habits account largely for destructiveness 28-29 
habits of younj 
•>■>_•> 
hibernation lo-is 
influence of precipitation 36-43 
temperature 43-44 
insects mistaken therefor :;i-."»."» 
invertebrate enemies 60 
larval stages, description 21-22 
long. (See Ischnodemus f aliens.) 
long-winged form and short-winged form 22 
occurrence and dis- 
tribution 75-77 
losses 33-36 
meteorological influences favoring fungous enemies 56-57 
migration on foot in search of food 24 
migrations in spring, summer, and autumn 18-20 
name of Spanish origin 89 
natural checks 30-44 
enemies 44-i;n 
origin and diffusion, probable 72-1 h i 
oviposition 20-21 
pupa, description 22 
remedial and preventive measures 60-72 
short-winged, relation of inland and sea coast forms 7S 
Chrysopa, enemies of chinch bug •'■<» 
Clover-leaf weevil. (See Phytonomus punctatus.) 
Coal tar. use in barriers against chinch bug 65-68 
Codling moth. (See Carpocapsa pomonella.) 
Colinus uirginianus, enemy of chinch bug 58 59 
ConotracJielus nenuphar, migrating habit 10 
Corimelasna pulicaria, mistaken for chinch bug .".2 
Corn, broom, food plant of chinch bug .".1 
chicken, food plant of chinch bug 31 
food plant of chinch bug 30 
Cow blackbirds, decrease held responsible for increase of chinch bugs 13 
Crab grass, occurrence of half-grown chinch bugs in fall 1<» 
Crioceris asparagi, course of diffusion 89 
