490 



SANITARY ENTOMOLOGY 



Disease 



Causative organism 



Insect transmitter 



Method of insect 



transmissions 



Nature of 

 Insect rflle 



Porrigo. 



See Favus 



Pseudoedema. malignant 



Pseudoparasitism ot nasal and 

 alimentary passages by cen- 

 tipedes 



Pyodermia 



R edwater of cattle, British 



Redwater. 



See Cattle Fever 



Relapsing fever, Abyssinian 



Bacillus "pseudoedema ma- 

 ligno" Cao. 



Chaetechelyne vesuviana 

 Geophilus carpophagus 



' cepnalicus 



" electricus 



" similis 



Himantarium gervaisi 

 Julus londinensis 



" terrestris 

 Lithobius forficatus 



" melanops 



Polydeamua complanatus 

 Scutigera coleoptrata 

 Stigmatogaster subterraneus 



Pediculus corporis. 

 Babesia divergeni. 



Blatta orientalis. 



Same as preceding. 



Pediculus corporis. 



Ixodes ricinus 

 HEemaphysalis cin- 

 nabarina punctata. 



Relapsing fever, American 



Relapaing fever, Asiatic 



Relapsing fever, East African 



Spiroschaudinnia sp. 



Spiroschaudinnia novyi. 



Spiroschaudinnia carteri. 



Spiroschaudinnia rossi. 



Ornithodoros savignyi 



Ornithodoros 



turicata 

 " megnini 



" moubata. 



Argas persicus are 

 suspected. 



Pediculus corporis. 



Oroitbodoros mou- 

 bata. 



Passes through 

 intestinal 

 tract intact. 

 Infection by 

 contamina- 

 tion. 



Inflammation 

 is caused in 

 the nasal and 

 alimentary 

 passages due 

 to the acci- 

 dental e n - 

 trance of cen- 

 tipedes, prob- 

 ably during 

 sleep or in 

 fresh vege- 

 table foods. 



Direct attack. 



Transmitted by 

 bite of tick. 



Experimental 

 transmission 

 by bite of 

 tick. Trans- 

 mission is 

 probably by 

 the washing 

 into the 

 woimd of the 

 organism in 

 Malpighian 

 excrement. 



Probably taken 

 up by bite of 

 tick and void- 

 ed in Mal- 

 pighian excre- 

 ment, to be 

 washed into 

 w o u n d s by 

 coxal fluids. 



Deposited in 

 feces of lice. 



Probably taken 

 up by bite of 

 tick and void- 

 ed in Mal- 

 pighian excre- 

 ment to be 

 washed into 

 wounds b y 

 coxal secre- 

 tions. 



Mechanical 

 carrier. 



Direct attack. 



External para- 

 site. 



Intermediate 

 host. 



Intermediate 

 host. 



Intermediate 

 host. 



Intermediate 

 host. 



Intermediate 

 host. 



