1873.] 117 [Horn. 



P. Sayi, L:c. Proc. Acad. 1853, p. 336. 



Olivaceo-aeneous, sub-opaque. Legs pale reddish yellow, knees, tips 

 of tibia; and tarsi bluish black. Length .60-. 70 inch ; 15-18 mm. 



Male, Anterior tibiae moderately arcuate, broader than the middle tibiae, 

 at tip bicalcarate. Hind tibiae normal, inner spur slender, outer rather 

 suddenly dilated and broadly triangular at tip. Last abdominal segment 

 broadly triangularly emarginate, lateral lobes prominent, penultimate 

 segment broadly emarginate and slightly thickened in front of the 

 margin. 



Female. Anterior tibiae not broader than the middle. Terminal ab- 

 dominal segment slightly notched and feebly longitudinally impressed. 



Occurs in Illinois and Texas. 



P. texana, Lee. New Species, p. 161. 



Olivaceo-aeneous or slightly bronzed. Legs pale reddish yellow, tarsi 

 gradually piceous to tip. Length .50-. 60 inch ; 13-15 mm. 



Male. Anterior tibiae straight, scarcely broader than the middle, at tip 

 bicalcai - ate, anterior spur very slender and shorter than the posterior. 

 Middle tibiae slightly arcuate. Hind tibias slightly flattened and with the 

 inner edge acute, spurs short and broad, the inner less broad than the 

 outer. Last abdominal segment broadly triangularly emarginate, at 

 middle feebly carinulate. Penultimate segment broadly emarginate. 



Female. Terminal segment with small semi-circular emargination. 

 Hind femora stouter than in the male. 



Occurs in Texas. 



P. aenea, Say, Journ. Acad. 1823, p. 301 ; Lee. Proc. Acad. 1853, p. 337 ; 

 nifjricomix, Lee. Journ. Acad. 4to, I, p. 90 ; filiformis, Lee. loc. cit. p. 91 ; 

 Lee. Proc. Acad. loc. cit. ; tarsalis, Bland, Proc. Ent. Soc. Phil. 1864, 

 p. 71. 



Dark aeneous or bronzed, sub-opaque. Legs pale reddish yellow knees, 

 tips of tibiae and tarsi piceous or black. Length .31-.68 inch ; 9-17 mm. 



Male. Anterior tibiae slender, straight, at apex bicalcarate, middle tibiae 

 slightly arcuate. Hind tibiae slightly compressed, inner spur slender, 

 acute, outer broader, but acute at tip. Last abdominal segment, triangu- 

 larly emarginate, penultimate broadly emarginate. 



Female. Last abdominal segment sub-truncate at tip. 



Occurs in Pennsylvania, Illinois and Texas. 



I cannot separate either filiformis or tarsalis, the former appears to be 

 merely a poorly developed specimen and the latter has the pubeseence 

 much better preserved, and the tarsi somewhat darker. 



In the preceding notes no mention is made of the pubescence. It is 

 very probable that all the species when recently taken are sparsely 

 clothed with a fine sub-erect greyish pubescence which is easily removed 

 by immersion in alcohol. All the species present the curious character, 

 unknown to me elsewhei'e among the Meloidaa, of having the inner spur 

 of the middle tibiae arcuate and pointing backwards. 



