TABULATION OF DISEASES AND INSECT TRANSMISSION 477 



Disease 



Causative organism 



Insect transmitter 



Method of insect 

 transmissions 



Nature of 

 insect idle 



Cbiggers (red bugs) (acarine 

 dermatosis). 

 See also Gonone 



Cholera. Asiatic 



Cholera, fowl 



Cholera, hog 



AUotrombidium fuliginosum 

 Leptus akamushi 



americanum 

 *' irritans 

 Metatrombidium poriceps 

 Microtrombidium pusillum 



** _ tlalsahuate 



Trombidium autumnalis 

 " . batatas 



** holosericeum 



" inopinatum 



'* striatieeps 



Spirillum cholerse. 



Same aa preceding 

 column. 



Bacterium cboleree gfdlin- 

 arum. 



Filterable virus. 



Calliphora vomito- 



ria. 

 Eristalis tenax. 

 Muaca domestica. 



Periplaneta ameri- 

 cana. 



Blatta orientalis. 



Musca domestica. 

 Fannia canicularis. 



Colitis 



Conjunctivitis 

 Conjunctivitis, phlyctenular 



Deerfly fever 

 (See plague, rodent/ 



Dengue 



Bacillus coli. 



Bacillus of Koch-Weeks. 



Various bacteria. 



Filterable virus. 



Stomoxys calcitians 



Calliphora vomitoria 

 Lucilia csesar 

 Musca domestica 

 Sarcophaga carnaria 



Blatta orientalis. 



Microneurum funi- 

 cola. 



Pediculus humanua 



Aedes argenteus 

 Culex quinquefas- 

 ciatus. 



Direct attack 

 in skin. 



Parasite. 



Taken up from 

 stools by lar- 

 val and adult 

 flies, deposit- 

 ed in feces or 

 on food. 



May be carried 

 in the roach 

 body for at 

 least 60 min- 

 utes and de- 

 posited in vi- 

 able condi- 

 tion in its fe- 

 ces. 



Passes through 

 i n t e s t i nal 

 tract intact. 

 Infection by 

 contamina- 

 tion. 



Taken up by fly 

 from animal 

 manure. Was 

 experimental- 

 ly transmit- 

 ted by con- 

 tact with 

 wounds and 

 by inocula- 

 t i o n of 

 crushed flies. 



Experimentally 

 transmitted 

 by inocu- 

 lation of 

 crushed in- 

 fected flies. 



Flies or larvie 

 take up from 

 stools. De- 

 posited in 

 their feces on 

 food. 



Pluses through 

 ' n t e B t inal 

 tract intact. 

 Infection by 

 contamina- 

 tion. 



Insect takes up 

 from eye and 

 carries to eye 



Deposited in 

 louse feces, 

 carried to eye 

 by hands. 



Transmitted 

 by mosquito 

 bite. 



Mechanical 

 carrier. 



Mechanical 

 carrier. 



Mechanical 

 carrier. 



Mechanical 

 carrier. 



Mechanical 

 carrier (?) 



Mechanical 

 carrier. 



Mechanical 

 carrier. 



Mechanical 

 carrier. 



Mechanical 

 carrier. 



Intermediate 

 host. 



