A. D. Imms 
71 
yellow fever by means of the Stegomyia mosquito, the deaths from that 
disease in Havana rose as high as 1355 in one year. Two years after 
systematic mosquito destruction was inaugurated not a single case of 
yellow fever occurred in that town. We have, again, the striking 
List of the ■principal diseases of man which, so far as hwwn, are 
or may be carried by insects. 
Disease 
^Malaria 
Distribution of 
the disease 
Tropics and sub¬ 
tropics of the 
world 
Pathogenic 
organism 
Plasmodium spp. 
Carrier 
(or probable carrier) 
Anopheline 
mosquitoes 
Order to which 
carrier belongs 
Diptera 
Typhus 
Fever 
Mostly in tropical 
and sub-tropical 
countries 
Fed ic ulus 
vestimenti 
Rhynchota 
Sleeping 
Sickness 
Tropical Africa 
Trypanosoma 
yambiense 
Glossina 
palpalis 
Diptera 
Yellow 
Fever 
Littoral tropics of 
America & Africa 
Stegomyia 
ca lopus 
Diptera 
Bubonic 
Plague 
Almost world - 
wide 
Bacillus pestis 
Laemopsylla 
cheopus 
Aphani- 
ptera 
Kala Azar 
Tropics and sub¬ 
tropics 
Leishmaniadono- 
vani 
Cimex rotunda tusl 
C. lectulariusl 
Rhynchota 
Barbiero 
Fever 
South America 
Schizotrypanum 
cruzi 
Conorhinus 
megistus 
Rhynchota 
Papatasi 
Fever 
Tropics 
Phlehotomus 
papatasi 
Diptera 
Dengue 
Tropics and sub¬ 
tropics of the 
world 
... 
Culex fatigans ? 
Stegomyia calopsus ‘ 
S. scutellaris? 
Diptera 
} 
Filariasis 
Tropics of the 
world 
Filaria spp. 
Culicidae 
Diptera 
Elephanti¬ 
asis 
Tropics of the 
world 
Filaria bancrofti 
Culex fatigans 
Diptera 
Pellagra 
Widely distribu¬ 
ted in warm 
countries 
Simulium sp.? 
Diptera 
Kelapsing 
Fever 
Cosmopolitan 
Spirillum ober- 
meieri 
Pediculus 
vestimenti ? 
Rhynchota 
Infantile 
Paralysis 
Almost cosmo¬ 
politan 
Stomoxys calcitrans 
Tabanus lineola or 
other biting flies? 
Diptera 
Verruga 
S. America 
... 
Phlehotomus verru- 
Diptera 
carum Town.? 
