257 



which are quite distinct, it differs in having a broader front and proportion- 

 ately larger vertex, the legs are differently colored, the size is much smaller 

 and the female resembles the male in color instead of being pallid as in that 

 species. 



LIBURNIA FOVEATA, n. sp. ♦ 



Van Duzee, Bui. Buf. Soc. Nat. Sci., V, p. 192, 1894. 



Pale yellowish, pleural pieces carrying a blackish spot and the femora 

 lineated with brown, the front narrow, black with white carinas. Length 

 iy 2 m. m. 



Front rather narrow, contracted between the eyes, the sides straight 

 below. Hind margin of the pronotum deeply concave. Scutellum short 

 with an abrupt tip. Color soiled yellowish ; front black with white carinas ; 

 vertex with a black puncture in each fova; antennae with a black point on 

 the base of the second joint exteriorly ; rostrum reaching the apex of the 

 intermediate coxae, pale with a black tip; disc of the coxae and a spot on 

 the pleural pieces blackish. Pro- and mesonotum entirely pale in the female, 

 in the male the pronotum has a black line on the anterior margin behind 

 the eyes and a cloud within the posterior angle, and the mesonotum has a 

 black point exterior to the lateral carinas. Abdomen of the male black, 

 genital segment, a dorsal line widened behind and the connexivum whitish, 

 the two basal segments of the tergum yellow with a black median spot. 

 Abdomen of the female pale, more or less broadly clouded with blackish 

 on the venter and sides of the tergum, the connexivum and a dorsal band 

 pale, or at times the abdomen may be entirely pale. Legs pale, lineated 

 with brown, apical tarsal joint black. Elytra narrowed apically, reaching 

 nearly to the end of the abdomen, fork of the first sector slightly longer 

 than that of the second, nervures obscurely granulated. 



Genital characters. Male: Pygofers viewed from behind nearly cir- 

 cular, marked with a blackish transverse cloud; dorsal notch deep, partially 

 enclosing the anal tube, ventral notch wide and moderately deep ; stiles 

 black, rather broad, nearly straight, suddenly narrowed at the apex, almost 

 reaching the teeth of the anal tube, not widely divergent ; anal tube pro- 

 duced in a blunt tooth at each lower corner. Female: Pygofers long, sides 

 parallel, apex not very oblique, oviduct narrow, not attaining the inner 

 apical angle of the pygofers. 



New York, Ontario. Described from two male and eight female exam 

 pies taken at Portage Falls, N. Y., May 30th 1888 and Muskoka Lake, Ont. 

 in July of the same year. 



In the form of the male genitalia this species approaches the european 

 L. distincta as illustrated by Fieber, (Grundz. der Delph. tafl. 8, fig. 23) 

 but the stiles are less divergent and the teeth of the anal tube are shorter 

 In color these species are very distinct. 



A single macropterous female which I have placed here differs from 

 the female of pellucida in having a longer and narrower vertex, a narrower 

 front with the sides straight below the eyes, the pronotum also is angularly 

 excavated behind and the front is deep black ornamented with the white 

 carinas, and a black spot is always present at the base of the posterior feet. 



