253 



Liburnia obscurella, Fieb. Cicad. d' Europe, IV, p. 20, iS-6. 



Sahlberg, Cicadarise, p. 443, 1871. 



Edwards, Trans. Ent. Soc. London, 1886, p. 80. 



Van Duzee, Bui. Buf. Soc. Nat. Sci., V, p. 191, 1894. 

 Several examples of this plainly colored little insect from Western New- 

 York have fallen into my sweep-net as the following dates will show: — 

 Golden, July; Concord and Portage Falls, May. It much resembles our 

 common lutulenta but may be distinguished by its larger size, (full 2^ m.m. 

 to the tip of the abdomen), its narrow front with black fovre, and the elon- 

 gated apical fova of the vertex which brings the fork of the median carina 

 well on to the base of the front. 



LIBURNIA LATERALIS, n. sp. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., V, p. 191, 1894. 



Brachypterous form: Vertex, length and breadth subaequal, carina? 

 prominent and acute on the forehead, basal fovse short and shallow, hardly 

 distinct ; apical fova elongated, extending over the apex of the head. Front 

 rather narrow, sides straight and parallel below the eyes, contracted above. 

 Clypeus slightly tumid and blackish at base with pale carinae. Elytra 

 attaining the penultimate segment of the abdomen, narrowed to the rounded 

 apex, forks of the first and second sectors about equal, middle apical areole 

 much the largest. Length 2 to 2^ m. m. 



Male. Dull pale yellow, obscured on the sides of the pro- and meso- 

 notum, front and abdomen ochreous; plates and a rather broad vittaon the 

 tergum either side of the middle black ; feet whitish with a slender brown 

 line exteriorly. Pygofers, viewed from the side, with a prominent tooth 

 above, below which the edge is cut out almost to the corner of the last 

 abdominal segment ; viewed from behind the aperture of the pygofers is 

 oval, slightly wider above, with a broad black transverse band below the 

 anal tube; stiles broad, rounded at the apex, slightly concave on the inner 

 margin, reaching the rim of the anal tube just below the prominent lateral 

 teeth. 



Female. Dull yellowish brown ; front dusky with a row of pale dots 

 between the carinte ; a large spot at the base of the hind legs and the mar- 

 gins of the abdominal segments, especially towards the sides, black. Ely- 

 tra fulvous brown, the extreme edge paler, within which is a dusky line, 

 Pygofers long, a little narrowed at the apex, ventral margin of the anal 

 tube feebly concave ; plates white. 



New York. Described from one male and three female examples taken 

 at Lancaster on August 24th and September loth, 1889. Another female 

 was captured at Colden, N. Y., August 16, 1896. 



LIBURNIA KILMANI, n. sp. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., V, p. 191, 1894. 

 Brachypterous form. Vertex quadrangular, carinae obtuse, distinct on 

 the forehead, basal fovae short, dividing carina nearly obsolete; apical fova 



