236 BULLETIN 2 00, UNITED STATES NATIONAL MUSEUM 



MEGAPROSOPUS Reitter— Continued 



Synonymic homonyms : 



Megapeosopus Reitter, 190Sb, p. 7. 

 Synonyms: (See Megaprosopoda) . 

 MEGAQUEDIUS Casey, 1915, p. 421. [Subgenus of Qtiedius.] 

 Genotype : Mcgaquedius explanatus (LeConte) {Quedius). 

 Fixed by : Casey, 1915, p. 421, by original designation. 

 Synon yms: (See Quedius ) . 

 MEGARLHRUS [Error for Megarthrus]. 

 MEGARTHROPSIS Cameron, 1919, p. 231. 



Genotype : Megarthropsis decorata Cameron. 

 Fixed hy : Cameron, 1919, p. 231, by monotypy. 

 MEGARTHRUS Curtis, 1829, p. 28. 



Genotype: Megarthrus depressus (Paykull) (Staphylinus). 

 Fixed ty : Westwood, 1838a, p. 18, by subsequent designation. 

 Later citations: M. rufescens Stephens, by Shuckard, 1839, p. 94; not orig- 

 inally included. M. depressus (Paykull), by Thomson, 1859, p. 52; by 

 Lucas, 1920, p. 397 ; by Tottenham, 1949b, p. 353. 

 Synonymic homonyms : 



Megaethrus Stephens, 1829a, p. 24. 

 Megarthrus Stephens, 1829b, p. 295. 

 Megarthrus Kirby, 1834, p. 330. 

 Synonyms : 



Phloeobium Dejean, 1833, p. 69. [Isogenotypic] 

 PsYLLius Gistel, 1834, p. 9. [Isogenotypic] 

 Macropterum Gistel, 1834, p. 9. [Subjective-objective.] 

 Variant spellings : 



Magaetheus Scheerpeltz and Hofler, 1948, p. 318. 

 Megarlheus Roussin, 1947, p. 85.* 

 Megarthus Boving and Craighead, 1931, p. 29.' 

 MEGARTHUS [Error for Megarthrus}. 

 MEGASTILICUS Casey, 1889, p. 183. 



Genotype : Megastilicus formicarius Casey. 

 Fixed hy : Casey, 1889, p. 183, by monotypy. 



Later citations: M. formicarius Casey, by Lucas, 1920, p. 397; by Black- 

 welder, 1939, p. 119. 

 MEGAXENISTUSA Seevers, 1945, p. 66. 



Genotype : Megaxenistusa rhinotermitis Seevers. 



Fixed ly : Seevers, 1945, p. 66, by original designation and monotypy. 

 MEGIOTA [Error for Megista}. 



MEGISTA Mulsant and Rey, 1874d, p. 623. [Synonym of Atheta.l 

 Genotype: Megista graminicola (Gravenhorst) (Aleochara.) 

 Fixed by : Mulsant and Rey, 1874d, p. 623, by monotypy. 

 Later citations: M. graminicola (Gravenhorst), by Fenj'es, 1918, p. 23; by 



Scheerpeltz, 1929b, p. 242 ; 1934, p. 1622 ; by Tottenham, 1949b, p. 394. 

 Synonymic homonyms : 



Megista Mulsant and Rey, 1874e, p. 591. 

 Synonyms : ( See ^ theta ) . 

 Variant spellings : 



Megiota Duvivier, 1883, p. 108, 



^ L'Entomologiste, vol. 3. 

 ' Ent. Amer., vol. 11. 



