16 



D YTIS CIDA E (genuini) 



IIYDROPORINI. 

 Hydroporus Clairv. 



hydropicus Lee. 

 punctatus Aubt. 



Laccophilus punct. Say. 



Hyphidrus punct. Harris. 

 cuspidatus Germ. 



Hygrotus pustulatus Mels. 

 latissimus Lee. 

 acaroides Lee. 

 contractulus Mann. 

 convexus Aube". 



var. granum Lee. 

 farctus Lee. 

 exiguus Aub6. 



an rite Am. bor. ? 

 obscurellus Lee. 

 affinis Say. ^ 



nanus Aubi. 



erythrostomus Mann. 

 macularis Lee. 

 pullus Lee. 

 lacustris Say. 



pulicarius Aube. 

 cinctellus Lee. 

 amandus Lee. 

 subtilis Lee. 

 inconspicuus Lee. 

 granarius Aub. 

 flavicollis Lee. 

 duodecimlineatus Lee. 



?laevis Kirby. 



alpinus Payk. (f. White) . 

 scitulus Lee. 

 striatellus Lee. 

 eximius Motsch. 

 pulcher Motsch. 

 rotundatus Lee. n. sp. 

 vemistus Lee. 

 Btriatopunctatus Mels. 

 consimilis Lee. 

 undulatus Say. 



fasciatus Harris. 

 ^ pubipennis Aube. 

 ty velutinus Aube. 

 oppositus Say. 



?proximus Aube. 

 punctatissimus Aube". 

 spurius Lee. 

 niixtus Lee. 

 sericeus Lee. 

 semirufus Lee. 

 lineolatus Lee. 

 vittatus Lee. 

 vitiosus Lee. 

 oblongus Aube. 



DYTISCTDAE. 



s 



