406 BULLETIN 200, UNITED STATES NATIONAL MUSEUM 



XENOBIUS Borgmeier, 1931, p. 358. 



Oenotype : Xenobius rotundiceps Borgmeier. 



Fixed htr. Borgmeier, 1931, p. 358, by original designation and monotypy. 

 Later citations : X. rotundiceps Borgmeier, by Borgmeier, 1949, p. 104. 

 Notes: In 1904 tliis name was used in Hymenoptera but apparently was 

 only a lapsus calami. It therefore does not preoccupy Borgmeier's use. 

 XENOCEPHALUS Wasmann, 1887, p. 411. [Junior homonym of Xenoeephalus 

 Kaup, 1858. Synonym of Wasmannotherium.] 

 Oenotype : Xenoeephalus clypeatus Wasmann. 

 Fixed by : Wasmann, 1887, p. 411, by monotypy. 

 Later citations : X. clypeatus Wasmann, by Lucas, 1920, p. 671. 

 Synonyms: (See Wasmannotherium). 

 Variant spellings : 



Xenophalus Wasmann, 1909a, p. 181. 

 XENOCHARA Mulsant and Key, 1874b, p. 344. [Subgenus of Aleochara.] 

 Oenotype : Xcnochara decorata (Aub6) (Aleochara). 

 Fixed by : Mulsant and Key, 1874b, p. 344, by monotypy. 

 Later citations: X. decorata (Aub6), by des Gozis, 1886, p. 12. X. puberula 



(Klug), by Fenyes, 1918, p. 26, not originally included. 

 Discussion: The citation of puberula can be accepted only through the 



subjective synonymy of puberula and decorata. 

 Synonymic homonyms : 



Xenochara Mulsant and Rey, 1874c, p. 60. 

 Synonyms : ( See Aleochara ) . 

 XENOCHARIS Bierig, 1934f, p. 328. [Synonym of Sunius.] 

 Genotype: Xenocharis occipitalis Bierig. 



Fixed by: Bierig, 1934f, p. 328, by original designation and monotypy. 

 Later citations: X. occipitalis Bierig, by Blackwelder, 1939, p. 122; 1943, 



p. 259. 

 Synonyms : ( See Sunius ) . 



Notes : The present disposition of this name is based on the study by Black- 

 welder (1939). 

 XENODUSA Wasmann, 1894, p. 205. 



Oenotype: Xenodusa cava (LeConte) (Lomechusa). 

 Fixed by : Fenyes, 1918, p. 26, by subsequent designation. 

 Sifnonyms : 



PsEXJDOLOMECHUSA Mauu, 1914, p. 175. [Subgcnus] 

 XENOGASTER Wasmann, 1891, p. 651. 



Oenotype : Xenogaster inflata Wasmann. 

 Fixed by : Wasmann, 1891, p. 651, by monotypy. 

 Later citations : X. inflatus Wasmann, by Fenyes, 1918, p. 26. 

 XENOMEDON Fall, 1912, p. 11. 



Oenotype : Xenomedon formicaria Fall. 

 Fixed by : Fall, 1912, p. 11, by monotypy. 



Later citations : X. formicaria Fall, by Lucas, 1920, p. 671 ; by Blackwelder, 

 1939, p. 122. 

 XENOMMA Wollaston, 1854, p. 543. 



Oenotype : Xenomma planifrons Wollaston. 

 Fixed by : Wollaston, 1854, p. 543, by original designation. 

 Later citations : X. planifrons Wollaston, by Fauvel, 1895a, p. 9 ; by Fenyes, 

 1918, p. 26. 

 XENOPELTA Mann, 1923, p. 356. 



Oenotype : Xenopelta cornuta Mann. 



Fixed by : Mann, 1923, p. 356, by original designation and monofypy. 



