LAM us MEGISTUS 



769 



C- rubrofasciatus is of a dull dark brown colour with markings on 

 the pronotum, and with dusky yellow or brick-red elytra and 

 connexivum. 



Pathogenicity.— It is the cause of South American trypano- 

 somiasis. 



Fig. 378.— Lrtmws megisfus Burmeister: Female. (X 2.) 



Reduviolus Kirby, 1837, 



Reduviolus subcolcoptratuslKiihy, 1837, has once been recorded as a human 

 blood-sucker in the United States. 



Rasahus Amyot and Serville, 1843. 

 Rasahus higuttatus Say, 1831, is found in the houses in Cuba, Panama, and 

 Para, where it really seeks the bed-bug, but bites man also. 



Melanolestes Stal, 1866. 

 M^lanolestes morio Erichson, 1848. Found under stones during the day in 

 Guiana, Mexico, and the United States of America. Bites man. 

 M. abdominal-is Herrich-Schaeffer, 1S4I 



Family Hydrometrid^. 



The Hydrometridse, or water-bugs, are interesting to the student of tropical 

 medicine, because Patton has traced out the development of a Crithidia 

 resembling Leishmania donovani in one of them, as has been described in the 

 chapter on Protozoa, p. 567 



49 



