108 PLANT-BUGS INJURIOUS TO COTTON BOLLS. 



Page. 



Pentatomid bugs of the genus Nezara injurious to cotton bolls 78-83 



Thyanta injurious to cotton bolls 84-87 



Pepper, chilli, food plant of Pentatoma ligata 25 



Plant-bug attack on cotton bolls as affecting quality and market value of lint. 61-62 



proliferation as result 17-19 



published descriptions of effect 13-15 



bordered. (See Largus succinctus.) 



injury to cotton bolls, external evidence 15-17 



internal appearance 17-20 



proof 19-20 



Uhler's green, hibernation 54 



migration of nymphs for food 42 



Plant-bugs injurious to cotton bolls, amount of damage therefrom 20-23 



control methods for general application. . 98-100 

 direct methods of combating them in cot- 

 ton fields 99-100 



disseminators of plant diseases : 23 



historical review of published writings 11-13 



method of estimating losses therefrom .... 59 



nature of injury 13-20 



leaf-footed, on cotton 88-91 



on cotton in Bismarck Archipelago and in German East Africa 13 



Plum, perhaps a food plant of Euschistus servus 76 



Podisus acutissimus on cotton 87 



lineatus, dead specimen eaten by Pentatoma ligata 42 



maculiventris, enemy of Euschistus jissilis 65 



incubation period of eggs in relation to temperature 37 



on cotton 87 



serieventris, hibernation 54 



Potato, food plant of Nezara viridula 82 



sweet. {See Sweet potato.) 

 Primrose, evening. (See Gaura parvifolia.) 



Proctotrypid parasite of Acanthocephala femorata 92 



parasites of Nezara hilaris 82 



Proliferation of cotton bolls as result of plant-bug attack 17-19 



Prosopis sp. (See Mesquite.) 



Proxy s punctulatus on cotton 87 



Psallus delicatus on cotton 93 



Psidium. {See Guava.) 



Pyrrhocoridse injurious to cotton 94-98 



"Red bug." {See Dysdercus suturellus.) 



Ribes sp. , food plant of Pentatoma ligata 25 



Ruhus sp. , perhaps a food plant of Euschistus servus 76 



RudbecJcia sp.,^ perhaps a food plant of Euschistus servus 75-76 



Rumex sp., food plant of Leptoglossus phyllopus 89 



Sage, food plant of Pentatoma ligata 25 



Salt-marsh caterpillar. (See Estigmene acrseaS) 



Solanum elseagnifolium, food plant of Pentatoma ligata 25 



nigrum, food plant of Dysdercus suturellus 95 



torreyi, food plant of Largus succinctus 94 



Soldier-bug, green. (See Nezara hilaris .) 



spined. (See Podisus maculiventris.) 



Sorghum, food plant of Pentatoma ligata ... = ..... 25 



