44 U. S. NATIONAL MUSEUM BULLETIN 212 



Pachydesmus laticollis (Attems) 



Fontaria laticollis Attems, 1900, Denkschr. Akad. Wiss., Wien, vol. 68, p. 



258, pi. 13, fig. 312; 1938, Das Tierreich, Lief. 69, p. 154, fig. 176. 

 Type : Vienna Museum. 



Type Locality : Illinois (probably in error as no other forms of this genus 

 have been found farther north than southern Tennessee) . 

 Range : No definite localities known. 



Pachydesmus louisianus ( Chamberlin ) 



Fontaria louisiana Chamberlin, 1918, Canadian Ent., vol. 50, p. 363. 

 Type : Mus. Comp. Zool. 



Type Locality: Covington, St. Tammany Parish, Louisiana. 

 Range : Known only from type locality. 



Pachydesmus relrorsus Chamherlin 



Pachydesmus retrorsus Chamberlin, 1921, Canadian Ent., vol. 53, p. 231, 



pi. 9, figs. 3, 4. 

 Type: Mus. Comp. Zool. 

 Type Locality: Knox County, Tennessee. 



Range: Known from several localities in eastern Tennessee and extreme 

 Northern Alabama. 



Genus PLEUROLOMA Rafinesque 



Pleuroloma Rafinesque, 1820, Annals of nature, . . ., p. 8. — Hoffman 



and Crabill, 1953, Florida Ent., vol. 36, p. 79. 

 Zinaria Chamberlin, 1939, Bull. Univ. Utah, biol. ser., vol. 5, No. 3, p. 4. — 



Causey, 1951, Proc. Arkansas Acad. Sci., vol. 4, p. 77 (generotype: 



Zinaria cola Chamberlin ) . 

 Generotype: Pleuroloma flavipes Rafinesque, by monotypy. 

 Range : North America east of the Great Plains. 



Species: Twelve, most of which will probably be shown to be only geo- 

 graphic races of P. flavipes. 



Pleuroloma brunnea (BoIIman) 



Fontaria virginiensis brunnea Bollman, 1887, Amer. Nat., vol. 21, p. 82. 

 Fontaria virginiensis castanea Bollman, 1893, U. S. Nat. Mus. Bull. 46, 



p. 132 (error for F. v. brunnea). 

 Zinaria brunnea Causey, 1951, Proc. Arkansas Acad. Sci., vol. 4, p. 80, 



pi. 1, figs, lb, 3d, and pi. 2, fig. 8d. 

 Type: U. S. Nat. Mus. 



Type Locality: Fort Snelling, Hennipin County, Minnesota. 

 Range: Southeastern Minnesota. 



Pleuroloma busheyi (Causey) 



Zinaria busheyi Causey, 1951, Proc. Arkansas Acad. Sci., vol. 4, p. 84, 

 pi. 1, figs. If, 4, 7, and pi. 2, fig. 8j. 



