INDEX. 109 
Page. 
Bluegrass, food plant of Drseculacephala mollipes 16, 57 
reticulata 54 
Phlepsius irroratus 16 
Tettigonia bifida 63 
Bob white (see also Colinus virginianus) . 
enemy of leafhoppers 24 
Bonasa umbellus, enemy of leafhoppers 24 
Tettigonidae 28 
Bouteloua curtipendula, food plant of Platymetopius cinereus. . . 72 
hirsuta, food plant of Platymetopius cinereus 72 
Brome grass, food plant of Cicadula 6-notata 99 
Deltocephalus affinis 15-16 
configuratus 15-16, 42, 81 
inimicus 15-16, 42, 73, 74 
Drseculacephala mollipes 15-16 
Phlepsius irroratus 15-16 
Bunting, spotted. (See Pipilio in. montanus.) 
Burning against Agallia sanguinolenta 106 
Athysanus obtutus 94 
black-faced leafhopper {Deltocephalus nigrifrons) 79 
Deltocephalus affinis 84 
* configuratus 82 
destructive leafhopper {Athysanus exitiosus) 90-91 
Drseculacephala mollipes 59 
Becalm lineatus 65 
inimical leafhopper {Deltocephalus inimicus) 77 
leafhoppers in general 36-37 
yellowheaded leafhopper {Drseculacephala reticulata) 56 
Bythoseopidae, bird enemies 28 
Bythoscopus novcllus, name used for Agallia sanguinolenta 104 
siecifolius, name used for Agallia sanguinolenta 104 
Calypte anna, enemy of Jassidae 24, 28 
Cardinalis cardinalis, enemy of Tettigonidae 28 
Cercopidae, bird enemies 27 
inclusion among leafhoppers 50 
Chsetura pelagica {see also Swift, chimney). 
enemy of Agallia 4-punctata.. 28 
Athysanus exitiosus 31 
Deltocephalus fiavicosia 31 
sp 31 
Diedrocephala versuta 28 
Drseculacephala sp 28 
Fulgoridae 27 
Jassidse 28 
Phlepsius irroratus 31 
vauxi, enemy of Jassidae 28 
Chamseafasciata, enemy of Cercopidse 27 
Jassidae 28 
Chicken, prairie (see also Tympanuchus americanus). 
enemy of leafhoppers 24 
Chlorotettix in North Dakota in 1909 42 
Chondestes grammacus {see also Sparrow, lark). 
enemy of Jassidse 28 
