305] 



STUDIES ON GREGARINES— WATSON 



9S 



Gregarina rigida (Hall) Ellis 



Gregarina kingi Crawley 

 Gregarina longiducta Ellis 



Gregarina consobrina Ellis 

 Gregarina illinensis Watson 

 Gregarina galliveri Watson 

 Gregarina stygia Watson 

 Gregarina nigra Watson 

 Gregarina udeopsylla Watson 

 Leidyana erratica (Crawley) Watson 



Leidyana gryllorum (Cuenot) Watson 

 Hyalospora roscoviana Schneider 

 Hyalospora affinis Schneider 

 Gamocystis tenax Schneider 

 Hirmocystis gryllotalpa (Leger) Labbe 



ACTINOCEPHALIDAE 



Pileocephalus blaberae (Frenzel) Labbe 

 Actinocephalus fimbriatus (Diesing) Ellis 



INDETERMINATE SPEaES 



Gregarina conica Dufour 

 Gregarina davini Leger and Duboscq 



MISAXLANEOUS 



Gregarina sphaerulosa Dufour 

 iJregarina soror Dufour 



Melanoplus differentialis (Uhlef) 

 M. femur-rubrutn (deGeer) 

 M. atlanis (Riley) 

 M. coloradensis ? 

 M. bivitattus (Say) 

 M. angustipennis (Dodge) 

 M. femoratus (Burm.) 

 M. luridis (Dodge) 

 Hesperotettix pratensis Scudder 

 Schistocera americana Bumi'. 

 Brachystola magna Giard 

 Encoptolophus sordidis (Burm,) 

 Gryllus abbreviatus Serv. 

 Ceuthophilus latens Scudder 

 C. maculatus (Say) 

 Ceuthophilus valgas Scudder 

 Ischnoptera pennsylvanica (deGeer) 

 Gryllus abbreviatus Serv. 

 Ceuthophilus stygius (Scudder) L. 



VARIOUS ACRIDIDAE 



Udeopsylla nigra 

 Gryllus abbreviatus Serv. 

 Gryllus pennsylvanica Burm. 

 Gryllus domesticus (L.) 

 Petrobius maratimus 

 Machilus cylindrica E. GeoflF. 

 Blatella laponica 

 Gryllotalpa gryllotalpa (L.) 



Blabera clarsiana Sauss. 

 Dissosteria Carolina (L.) 



Coleoptera and Gryllus 

 Gryllomorpha dalmatina Ocsk. 



