Parasitic Insects. CEstridcs. 1 1 



CE. (GastrophiIvUS, Gastrus) Nigricornis. Bessarabia. 



Black antennae. Larva unknown. 

 CE. (Gastrophii<us, Gastrus) Rhinocerontis. Africa. 



Larva in stomach : rhinoceros. 

 CE. (Cephalemia) Ovis, Sheep Bot Fly. Fly small, gray, 



hairy. Larva in turbinated bones and nasal sinuses : sheep, 



goat. 

 CE. Variolosus. South Africa. Larva unknown. 

 CE. PURPUREUS. Central and Eastern Europe. Larva un- 

 known. 

 (E. Maculata, (spotted). Larva in nose, nasal sinuses and 



pharynx : buffalo and dromedary. 

 (E. Trompe (Trumpet). Larva in pharynx : reindeer. 

 Hypoderma (CEstrus) Lineata, (hypo beneath, derma skin). 



Ox Gad Fly. America, Europe. 

 H. Suppleus. Probably same as lineata. Larva subcutem, 



near gullet, etc. Ox. Most frequent in America. 

 H. (CEstrus) Bovis, Ox Gad Fly. Larva subcutem, ox, 



(horse, ass). Europe. 

 H. (CEstrus) Silenus. (Larva subcutem, ass?) 

 H. (CEstrus) Diana. Larva subcutem in stag and fallowdeer. 

 H. AcToeoN. Larva subcutem in stag. Europe. 

 H. Bonassi. Larva subcutem in American bison. 

 H. Heteroptera. Larva subcutem in Algerian ox. 

 H . Clarkii. Larva subcutem in South African ox ? 

 H. (CEdemagena) Tarandi. Larva subcutem : reindeer. 

 Dermatobia (Cuterebra) Noxialis. Larva subcutem : ox, 



dog, man. Mexico, West Indes. 

 Dermatobia (Cuterebra) Cuniculi. Larva subcutem : 



rabbit, hare. America. The following are uncertain species. 

 Cattle Worm. Larva subcutem : ox, man. Central Africa. 

 NucHE or GuSANO in New Grenada, Macaw Fly in Cayenne, 



Ura in Brazil, ToRCEL in Costa Rica, Moyoquil Worms in 



Mexico, attack ox and man and are probably Dermatobia 



Noxialis. 



