168 E. T. CRKSSOX. 



on each side of pectus, mesotborax, except two dorsal lioes, sides of 

 scutelluna, broad BUtares of pleura, and the basal middle of abdominal 

 segments four to »ix, black ; the femora and delicate stains on the 

 abdomen fulvous; wings yellowish hyaline, with the nervures pale 

 fulvous. Length % .50 inch. 



This may be a very pale variety of Grotei. 



108. paratus, Say. Tontrib. Macl. Lye. i, p. (58, % \ Cress, (hckitus), 

 Vroe. Ent. Soc. Phil, iii, p. 156, % . 



nab. — Can., N. Y.. Pa., Del., Va. A pretty little species, slender 

 in form and exceedingly variable in its markings. The head is 

 yellowish-whit* ; with the vertex and occiput black; antennae long, 

 slender, black above, fulvous beneath, with a more or le^s broad 

 whitish annulus beyond the middle and with the basal joint beneath 

 yellow ; thorax black, shining, with the upper and lower margins of 

 prothorax, a spot on disc of mesotborax, sometimes wanting, tegulae 

 and a line beneath, scutellum, postscutellum, posterior portion of 

 metathorax and a large spot on the thorax beneath between the four 

 anterior legs ar>d extending more or less upon the sides, all yellowish- 

 white; wioga clear; four anterior legs, including their eoxai, yellowish- 

 white, posterior coxse varied with yellowish beneath, their trochanters, 

 base of femora, basal two-thirds of their tibiae and the apical joints 

 of their tarsi, yellowish-white ; abdomen yellowish-white, apical half 

 more or less fulvous, first segment smooth and polished, slender, black 

 above before apex, remaining segments with a black, oft^eu irregular, 

 stain on the middle, s»>metimes forming a regular band, sometimes two 

 spots; these stains become less distinct on the apical segments, which 

 are sometime.s entirely fulvous; beneath yellowish, fulvous at tip. 

 Length S .'M) — .40 inch. 



109. vinnulus. 



hthnux vinnulus, Cress. Proc. Ent. Soc. Phil, iii, p. 189, %, . 

 Hdh. — F*a., Va. This may po.ssibly be nothing but a variety of 

 paratus ; the markings are very similar, but the posterior femora 

 are fulvous and not black, the first .segment of the abdomen is black 

 except its tip, and the basal two-thirds of the second aud third seg- 

 ments are also black. Length S .40 — .45 inch. 



110. Heiligbrodtii, n. -sp. 



%. — SiiiaJl, bliick; lace, cl_vj)en3, orbits, spot on maiirliblen, scape beneath, 

 anniiluH on dagelluin, line on collar, upper margin of prothorax, spot on tegulse, 

 short Jine above, another beneath, two slender linea on disc of inesothora.x, 

 scutellum, spot behind, jiosterior face of metathorax, spot on flanks, spot above 

 middle cox», tipa of fwir anterior coxse, spot on posterior pair above, apical 



