IV BULLETIN 182, UNITED STATES NATIONAL MUSEUM 



Systematic treatment — Continued. Page 

 Subfamily Osoriinae — Continued. 



Genus hwpeplus Smith 138 



Key to West Indian species of Inopeplus 139 



Genus Glyptoma Erichson 141 



Key to West Indian species of Glyptoma 142 



Genus Espeson Schaufuss 144 



Key to West Indian species of Espeson 144 



Genus Thoracophorus Motschulsky 148 



Key to West Indian species of Thoracophorus 149 



Genus Eleusis Laporte 155 



Genus Paralispinus Bernhauer 156 



Key to West Indian species of Paralispinus 157 



Genus Leptochirus Germar 162 



Neotrochus, new genus 164 



Key to West Indian species of NeotrocMis 165 



Genus Holotrochus Erichson 169 



Key to West Indian species of Holotrochus 170 



Genus Mirnogonus Fauvel 172 



Genus Osorius Latreille 174 



Key to West Indian species of Osorius 175 



Subfamily Stylopodinae 202 



Genus Stylopodus Benick 202 



Key to AVest Indian species of Stylopodus 203 



Subfamily Steninab 208 



Genus Stenus Latreille 208 



Key to West Indian species of Stenus 209 



Subfamily Euaesthetinae 226 



Genus Exoctaviiis Bierig 227 



Genus Tamotus Schaufuss 227 



Genus Stenaesthetus Sharp 228 



Subfamily Paederinae 228 



Key to West Indian genera of Paederinae 229 



Genus Thinocharis Kraatz 231 



Key to West Indian species of Thinocharis 232 



Genus Lithocharis Boisduval and Lacordaire 239 



Key to West Indian species of Lithocharis 240 



Genus Aderocharis Sharp 250 



Key to West Indian species of Aderocharis __ 251 



Genus Stilomedon Sharp 255 



Key to West Indian species of Stilomedon 256 



Genus Sunius Stephens 259 



Key to West Indian species of >Swnztts 261 



Genus Medon Stephens 270 



Key to West Indian species of A/edon 270 



Genus Orws Casey 277 



' Key to West Indian species of Orus 277 



Genus Scopaeus Erichson 279 



Key to West Indian species of Scopaeus 280 



Genus Monista Sharp 296 



Key to West Indian species of Monista 296 



Genus Rugilus Samouelle 299 



Key to West Indian species of Rugilus 300 



