AMERICAN COLEOPTERA. 161 



C dorsalis Say, Jour. Ac. Phil., 1817, i, 20; Trans. Am. Phil. Soc. i, 415; pi. 

 13, fig. 5; Gould, Bost. Jour. Nat. Hist., i, 47; Lee. Traus. Am. Phil., 

 xi, p. 46; Schaupp, I. c, p. 98, pi. 4, fig. 91, 92; signata Dej. Sp. Gen. i, 

 124; semipicta Casey, I. c, p. 299. 

 Length 13-15 mm.=.52-.60 inch. 



Habitat. — Atlantic seacoast from Martha's Vineyard south to 

 New Jersey. 



Male. — Anterior tarsi with first joint hardly dilated, third joint 

 very perceptibly oblique; tips of elytra conjointly rounded; riglit 

 mandible iuferiorly dilated into a long tooth near the tip. 



Female. — Elytra angulated laterally; thorax dilated posteriorly; 

 tips of elytra separately rounded. 



Head and thorax bronze, somewhat greenish, finely rugose ; elytra 

 white, suture bronze and with or without markings of fine bronze 

 lines; beneath bronze, densely clothed with white hair; elytral 

 markings consist of subhumeral spot or dash and two discal arcu- 

 ate lines overlapping, but not touching at about the middle of the 

 elytra; the bronze margin of suture is branched in front of the 

 middle, and the branch sometimes connects with the subhumeral 

 dash. Head not hairy, striate between and in front of the eyes 

 which are very large; labrura large, white, unidentate; thorax flat, 

 broadest behind, rounded at the sides, very hairy above, granulate^ 

 sculpture thereby concealed ; elytra very minutely punctulate, more 

 coarsely in the dark lines, very finely serrulate at apex. Beneath, 

 very densely clothed with white hair, except the middle of the abdo- 

 men and pectus ; legs very long. 



Occurs in July in great swarms. 



Var. media Lee, Trans. Am. Phil. Soc, 1856, xi, p. 47; Schaupp, /. c, p. 99, pi. 

 4, fig. 93. 

 Length 11-13 mm.=.44-.52 inch. 



Habitat.— Seacoast of Va., N. C, S. C, Ga., Fla. 



Differs from the preceding in being smaller and in living further 

 south. Dr. LeConte says: "the narrower and less rounded thorax 

 "and the narrower elytra induce me to consider it as a separate 

 " species." 



€. Saulcyi Guerin, 1840, Rev. Zool., p. 37 ; 1841, p. 96 ; Lee, I. r., p. 47, fig. 34 ; 

 Schaupp, J. c, p. 99, pi. 4, fig. 94. 

 Length 8-11 mra.=.32-.44 inch. 



Habitat. — Shore of the Gulf of Mexico from Key West to Texas. 



TRANS. AM. ENT. SOC, XXVIII. (21) JUNE, 1902. 



