INDEX. 109 
Page. 
Sorghum, food plant of Thyanta custator B 
Spanish bayonet. (See Yucca fdamentosa and Yucca sp.) 
Sphinx, white-lined. (See Deilephila lineata.) 
Spider attacking nymph of Thyanta sp 65 66 
Spiders, possible enemies of Pentatoma ligata 65-66 
Squash-bug family. (See Coreidx.) 
{Anasa tristis), host of Hadronotus anasx 91 92 
Trichopoda pennipes 92 
Stiretrus anchorago on cotton 
Sweet potato, food plant of Nezara viridula 
Syrphid larva, enemy of Pentatoma ligata 65 
Tachinid parasite of Nezara viridula 83 
Thyanta custator 87 
Telenomus ashmeadi, parasite of Euschistus servus in the laboratory 78 
Pentatoma ligata 62-G4 
Thyanta custator 87 
Temperature as related to activity of adults of Pentatoma ligata 35 
incubation of e^ f Pentatoma ligata 3->-37 
Podi&is maculiventris 37 
monthly and daily rate of oviposition of Pentatoma 
ligata 30 
low, as affecting vitality of eggs of Pentatoma ligata 38 
Thistle, food plant of Leptoglossus phyllopus 89 
Thyanta casta, close to, if not identical with, T. custator 84 
custator as a cotton insect, general account 84-87 
distribution 84 
enemies 87 
feeding on eggs of Pentatoma ligata (54 
food plants 85 
habits 
injurious occurrences 84 
life history 
proliferation of cot Ion bolls as result of attack IS 
seasonal history v 
variations 84 
history of species concerned in damage to cotton bolls 
identity of species concerned in damage to cotton bolls 84 
perditor, association with Pentatoma ligata in the field 47 
close to, if not identical with, T. custator 
sp., hand-picked in cotton field in Mexico 70 
increase and decrease in numbers during the season 50 52 
killed and eaten by a spider 66 
Tobacco, food plant of Euschistus variolar/' us 74 
Tomato, food plant of Nezara hilaris 7!) 
Pentatoma ligata 25 
Trap crops in control of eonchuela 72 73 
Trichopoda pennipes, parasite of Lcptoglossus op posit us 92 
squash bug ^Anusa tristis* 92 
Triphleps insidiosus, suggested enemy oi Pentatoma ligata 
Trissolcus euschisti, parasite of Euschistus semis 78 
parasite oi Nezara hilaris 82 
"Trompillo." (^Seo Solatium ehiagni/olium.) 
Turnip, food plant of Nezara hilaris 70 
