INDEX. 61 



Page. 



Pedicidoides ventricosus, introduction into Texas an unsuccessful attempt 10— 11 



occurrence 30 



parasite of Anthonomus < ugenii 42-46 



boll weevil (Anthonomus grandis) . LO 1.1,28,40,42 



Tippers, food plants of Anthonom us eugenii 37, 39, 46 



Phanerotoma tibialis, parasite of Anthonomus nigrinus 44 



Phaseolus perennis, food plant of Apian griseum 37-45 



Phloeosinus graniger, host of Spathius canadensis 11 



Phoxopteris comptana=Ancylis com plana 38 



Phytonomus punctafus, host of Empusa (JEntomophthora) sphserosperma and 



Entomophthora plujlonomi 11 



Pissodes sirohi. host of Bracon pissodis 44 



Pityopikthorus consim His. host of ( 'erocephala pityophthori 43 



>p. , host of Khyssalus pityophfhori 44 



Plan! conditions most favorable for parasitism of boll weevil 15-17 



Plum curculio. (See Conotrachelus nenuphar.) 



Podapion gallicola, host of Sigalphus copturi 43 



Polygonum pennsylvanicum, food plant of Lixus musculus 25, 34, 36, 45 



Portion conotracheli, parasite of Conotrachelus nenuphar 43 



Potato-bud weevil. (See Anthonomus nigrinus.) 

 stalk weevil (see also Trichobaris trinotata). 



bibliographic reference 51 



Prairie, parasitism of boll weevil 17, 18, 22 



Proliferation, factor in control of boll weevil 3 



Propagation of boll-weevil parasites artificially, apparatus used, and difficulties. 22-24 



work on parasites of boll weevil 11, 22-27 



Prosopis gland ulosa, food plant of Bruchus prosopis 38 



Raspberry, food plant of Anthonomus signatus 45 



Red-bud, food plant of Anthonomus signatus 45 



Rhyssalus pityophthori, parasite of Pityophihorus sp 44 



Rhyssematus lineaticollis, host of Bracon rhyssemati 44 



Rhynchophora, parasites, list 41-44 



Rose, wild, food plant of Anthonomus signatus 45 



Scolytid , host of Cerocephala scolytivora 43 



Scymnus in cotton squares 10 



Shade, parasitism of boll weevil 17, 18, 22 



Sideranthus rubiginosus, food plant of Brachytarsus alternatus 32, 47 



Desmoris scapalis 39, 45 



Sigalphus canadensis, parasite of Anthonomus scutellatus 43 



copturi, hosts, list 43 



curculionis, biological notes 38 



hosts, list 44 



occurrence 29 



parasite of boll weevil (Anthonomus grandis) 11, 28, 46 



bud, fruit, pod, and stem weevils 48 



Conotrachelus nenuphar 46 



Trichobaris trinotata 47 



sp. , parasite of Chalcodermus xneus 44 



zygobaridis, parasite of Zygobaris xanihoxyli 44 



Smicronyx tychoides, host of Bracon smicronygis 44 



Solanum carolincnse, food plant of Anthonomus nigrinus 46 



eleagnifolium ,, food plant of Anthonomus seneolus 46 



rostratum, food plant of Anthonomus xneolus 46 



