128 ILLINOIS BIOLOGICAL MONOGRAPHS [338 



POLYCISTID GREGARINES IN THE COLEOPTERA* 



NAME OF PARASITE NAME OF HOST 



DIDYMOPHYIDAE 



Didymophyes gigantea Stein Oryctes sp. larva. 



Oryctes nasicornis (L.) larva. 



Phyllognathus sp. larva. 



Didymophyes paradoxa Stein Geotrupes stercorarius (L.) 



Didymophyes leuckarti Marshall Aphodius prodromus ( Brahm. ) 



Aphodius nitidulus F. 

 Didymophyes minuta (Ishii) Watson Tribolium ferrugineum F. 



ACTINOCEPHALIDAE 



Actinocephalus concius (Dufour) 



Frantzius Dorcus parallelopipedus (L.) 



Actinocephalus dytiscorum (Frantzius) 



Watson Dytiscus marginalis L. larva. 



Actinocephalus stelliformis Schneider Ocypus olens Mull. larv. and ad. 



Carabus auratus L. 



C. violaceus L. 



Rhizotrogus sp. larva. 



Actinocephalus digitatus Schneider Chlaenius vestitus (Payk.) 

 Actinocephalus acutispora Leger Silpha laevigata F. 



Actinocephalus americanus Crawley Galerita bicolor Drury 

 Actinocephalus harpali (Crawley) Harpalus caliginosus Fab. 



Actinocephalus dicaeli (Crawley) 



Ellis Dicaelus ovalis 



Actinocephalus crassus (Ellis) Leptochirus edax Sharp 



Actinocephalus zophus (Ellis) Nyctobates barbata Knoch 



Alobates pennsylvanica deGeer 



'Actinocephalus gimbeli (Ellis) Watson Harpalus pennsylvanicus Dej. 

 Asterophora philica (Leidy) Crawley Nyctobates pennsylvanica de- 

 Geer 



Asterophora cratoparis Crawley Cratoparis lunatus Fab. 



Beloides firmus (Leger) Labbe Dermestes lardarius L. larva 



Beloides tenuis (Leger) Labbe Dermestes undulatus Brahm. 



larva 

 Bothriopsis histrio Schneider Colymbetes fuscus L. 



Hydaticus cinereus L. larva 



Acilius sulcatus L. 



Dytiscus sp. larva 



*The species are arranged in families, the families include genera in alpha- 

 betical order, and under each genus the species are placed in chronological sequence. 



