188 U. S. NATIONAL MUSEUM BULLETIN 212 



Genus POLYZONIUM Brandt 



Polyzonium Brandt, 1834, Oken's Isis, p. 704; 1837, Bull. Sci. Acad. Sci. 



Saint Petersbourg, vol. 1 (1836, No. 23) , p. 178. 

 Octoglena Wood, 1864, Proc. Acad. Nat. Sci. Philadelphia, p. 186 (genero- 



type: 0. bivirgata Wood, by monotypy) . 

 Petaserpes Cope, 1870, Trans. Amer. Ent. Soc, vol. 3, p. 65 (generotype: 



P. rosalbus Cope, by monotypy) . 

 Hexaglena McNeill, 1887, Proc. U. S. Nat. Mus.. vol. 10, p. 328 (genero- 



type : H. cryptocephala McNeill. 

 Generotype: Polyzonium germanicum Brandt, by monotypy. 

 Range: Northern Europe; eastern United States. 

 Species: About seven; three occur in our area. 



Polyzonium bikermani Causey 



Polyzonium bikermani Causey, 1951, Proc. Biol. Soc. Washington, vol. 64, 



p. 138, fig. 1. 

 Type : Acad. Nat. Sci. Philadelphia. 



Type Locality: Devil's Den State Park, Washington County, Arkansas.. 

 Range : Known only from type locality. 



Polyzonium bivirgatum (Wood) 



Octoglena bivirgata Wood, 1864, Proc. Acad. Nat. Sci. Philadelphia, p. 186. 



Petaserpes rosalbus Cope, 1870, Trans. Amer. Ent. Soc, vol. 3, p. 65 (type 

 locality: ". . . western slope of the Cumberlands, in the northern 

 part of East Tennessee." Location of type unknown) . 



Polyzonium bivirgatum Cook and Loomis, 1928, Proc. U. S. Nat. Mus., 

 vol. 72, art. 18, p. 18. 



Type: Location unknown, probably not in existence. 



Type Locality: Georgia. 



Range: Eastern United States from Connecticut west as far as Ohio, 

 south to Georgia in the mountains. Exact limits of range still poorly known. 



Polyzonium cryptocephalum (McNeill) ^^ 



Hexaglena cryptocephala McNeill, 1887, Proc. U. S. Nat. Mus., vol. 10, 



p. 328. 

 Polyzonium mutabile Causey, 1951, Proc. Biol. Soc. Washington, vol. 64, 



p. 139, fig. 2. 

 Type: U. S. Nat. Mus. 



Type Locality: Bloomington, Monroe County, Indiana. 

 Range : Indiana, Illinois, Michigan, southern Ontario. 



"Synonymy based on unpublished studies, including examination of the holotype of 

 cryptocephala. 



