Bulletin American Museum of Natural History [Vol. XLII 



Table of known life histories of aquatic Hydrophili doe 

 (American genera) 













Country 



Name 



Egg 



Larva 



Pupa 



Investigator 



Daie 



Hydroena 













1. pennsylvanica 



* 



* 





Author 



United States, 



Kiesw. 











this paper 



Hydroscapha 













1. nutans Lee. 



* 



* 



* 



Boving 



United States, 

 1914 



Hydrochous 













1. squamifer Lee. 



* 



* 





Author 



United States, 

 this paper 



Hydrophilus 









Roesel 



Germany, 

 1749 



1. caraboides Linn. 



* 



* 



* 



' Lyonnet 



l ' * 



] 



( Schiodte 



France, 1832 

 Denmark, 

 1862 



2. obtusatus Say 



* 



* 





Bowditch 



Mass., 1884 





* 



* 



* 



Wickham 



Iowa, 1895 





* 





* 



Author 



New York, 

 this paper 



Tropislernus 













1. lateralis Fabr. 





* 





Duges 



Mexico, 

 1884 



2. glaber Herbs t 





* 



* 



Wickham 



United States, 

 (Iowa), 1893 









* 



Author 



United States, 

 this paper 



Hydrous 













1. piceus Linn. 



* 



* 



* 



Miger 



France, 

 1809 



2. aterrimus Eschseh 



* 



* 





Schiodte 



Denmark, 

 1862 



3. triangularis Say 



* 



* 





fGarman 



United States, 

 1881 





* 



* 



* 



[Riley 



UnitedStates, 

 1881 



