162 



MALCOLM EVAN MACGREGOR. 



Table VI. 

 The more Important Diseases Directly Attributable to Insects and Acarina. 



Organism. 



Host. 



Disease. 





/Fannia canicularis 



Man 



Intestinal myiasis 





Piophila casei 



Man 



»: »> 





Eristalis tenax 



Man 



>> »j 





Muscina stabidans 



Man 



-9 JJ 





Sarcophaga spp. 



Man 



Intestinal, dermal and muscular 

 myiasis. 





Lucilia spp. . . 



Man 



Intestinal, dermal and muscular 



«+-* 







myiasis. 



o 



o 



Calliphora spp. 



Man 



Intestinal, dermal and muscular 



OS 



> 







myiasis. 



Chrysomyia macellaria (screw 



Man and 



Nasal, auricular, and dermal myiasis. 



0) 



worm). 



animals. 







Cordylobia anthropophaga . . 



Man 



Dermal myiasis. 





Dermatobia hominis. . 



Man 



5? »J 





Hypoderma bovis, etc. 



Cattle (occa- 



JJ J? 







sionally Man) 



(Creeping disease in Man).. 





Oestrus avis 



Sheep (rarely 

 Man). 



Nasal myiasis. 





Gastrophdus equi, etc. 



Horses (rarely 

 Man). 



Gastric myiasis. 





V Trombidiidae (Harvest Mites) 



Man 



Severe cutaneous irritation. 



Pediculoides v&ntricosus . . 



Man 



Dermatitis. 



Tyroglyphus siro . . 



Man 



Dermatitis (the so-called " vanil- 

 lism.") 



Tyroglyphus longior castellanii . . 



Man 



Copra itch. 



Other Tyroglyphidae 



Man 



Dermatitis (Grocers' itch). 



Sarcoples scabiei 



Man and 

 animals. 



Itch or scabies, 



Pedi cuius capitis . . 



Man 



Pediculosis. 



,, humanus 



Man 



».* 



Phthirius pubis 



Man 



jj 



Dermatophdus penetrans (chigger) 



Man and 

 animals. 



Severe cutaneous irritation, which 

 leads ultimately to inflammation 

 and ulceration. 



