THE Oil; AND BLISTER BEETLES. 1363 



Throughout the State, common; more so 

 in the southern counties. July 1-September 

 18. Known as the "margined blister beetle," 

 and occurs especially on Clematis, but also on 

 beets, tomatoes, etc., and in later years seems 

 to have taken the place of vittata. 



12528 (8104). EPICAUTA PENNSYLVANIA DeG., Mem., 



V, 1775, 35. 



Elongate, slender. Uniform black, opaque, 

 clothed with fine, short, prostrate black hairs. Tho- 

 rax quadrate, the front angles rounded; surface (as 

 well as that of head and elytra) finely and densely 

 punctate and with an impressed median line. Length Fig. 594. (After ChiUenden in 

 7-13 mm. (Fig. 594.) B.1,.43, U. S,Di,Ent.) 



Throughout the State ; common. August 19-October 9. Occurs 

 especially on goldenrod (*SW/^r/oj, also on thoroughwort and rare- 

 ly, Avith the preceding, on ironweed. It is essentially an autumn in- 

 sect, as the above dates will show. 



VII. PvROTALec. 1862. (Gr., "fire.") 



This genus is separated from its allies by the form of the an- 

 tennal joints, which are all slender and cylindrical; the second 

 joint about one-fourth the length of third. The males have the 

 last joint of maxillary palpi transversely oval, with the under side 

 concave; in the female it is elongate and truncate at tip. In the 

 former sex the last ventral segment is notched. 



2529 (8109). PYROTA ENGELMANNI Lee.. Jonrn. Phil. Acad. Nat. Sci., I, 

 1847, 91. 



Elongate, robust, subcylindrieal. Dull yellow; antenna?, tibire and tarsi, 

 hind angles of head and six spots <m thorax, black; elytra with three rather 

 wide black bars, the front and middle ones interrupted at suture, the former 

 composed of two oblong black spots which are often confluent; under sur- 

 face in part black. Head convex, sparsely punctate. Thorax longer than 

 wide, narrower at apex; surface very sparsely punctate. Elytra each with 

 two or three fine raised lines; very finely and densely punctate. Length 

 17-20 mm. 



Starke and Wells counties; scarce. August 15-August 20. The 

 spots of thorax are arranged one on each side of middle of disk, one 

 slightly in front of each of these on the sides and two on the front 

 margin. Its range has heretofore been recorded as "Missouri to 

 Texas." 



