1920] 



Richmond, Studies on the Biology of the Aquatic H ydrophilidce 



Table of known life histories of aquatic H ydrophilidce 

 (American genera) 











Country 



Name 



Egg 



Larva | Pupa 



Investigator 



Date 



Helophorus 









1. aquaticus Linn. 



* 



Schiodte 



Denmark, 











1862 



2. granularis Linn. 



* 



* 



Schiodte 



Denmark, 













1862 



3. rufipes Bosc. 





* 





Perris 



France, 

 1876 



4. viridicollis Steph. 







Incomplete 



Zambeu 



France, 

 1894 



5. schmidt i Villa 







* 



Zambeu 



France, 

 1894 



6. micans Fald. 





* 





Ganglbauer 



Austria, 

 1904 



7. lacustris Lee. 



* 



* 





Author 



United States, 









this paper 



8. sp. ? 



* 



* 





Author 



United States, 

 this paper 



Limnebius 









1. truncatellus 





Noted but not 



d'Orchymont 



France, 



Thumbg. 



* 



desc. 





1915 



2. discolor Casey * 







Author (descr. 

 in part) 



United States, 

 this paper 



Ochthebius 











1. punctatus .Steph. 





* 





Haliday 



England, 

 1856 



2. subinteger Muls.- 





* 





(Mulsant-Rey 



France, 1861 



Rey, subsp. le- 









\ Fauvel 



France, 1865 



jolisi Muls.-Rey 







( d'Orchymont 



France, 1913 



3. quadricollis Muls. 



* 





Ray 



France, 1887 



4. impressus Marsh. 





Noted but not 

 desc. 



d'Orchymont 



France, 

 1913 



5. steinbuehleri Reitt 



* 





d'Orchymont 



France, 

 1913 



6. tuberculatus Lee. 







Author 



United States, 

 this paper 



7. sp. ? * 



* 





Author 



United States, 

 this paper 



