OCR Text |
Show 222 PROP. P. R. UHLER ON T H E [Mar. 6, skimming over the surface of quiet water from spring until the end of summer. 2. HEBRUS CONSOLIDUS, sp. nov. A little more compact than H. sobrinus, Uhler, with the transverse suture separating the lobes not so deep; colour fuscous, the surface above finely pubescent, more or less spread with whitish bloom. The head moderately produced before the eyes, somewhat tinged with rufous, a little rough between tbe eyes ; the throat pale rufo-testaceous ; antennae dull rufo-testaceous, usually darker at the points of articulation, the first and second joints paler, sub-equal in length, thickened and black at tip ; rostrum yellowish testaceous, reaching the posterior coxae ; the bucculae, coxae, trochanters, and legs pale testaceous, with the knees and tarsi sometimes infuscated. Pronotum broad, moderately sinuated before the posterior lobe, with the lateral margins reflexed, and the humeri prominent and blunt; the collum exceedingly narrow and almost obsolete; the posterior margin deflexed, broadly rounded. The base of the scutellum lunately tabulated, with the posterior portion triangular and depressed. Hemelytra chestnut-brown, minutely pubescent, the corium marked at base with a white wedge-shaped spot, basal half of the costal border dull yellowish ; the membrane long, dusky, marked at base with a short curved streak, also each side with a bent spot, and on the middle towards the tip with an oblong spot, all of which are obscure whitish. Venter rufo-piceous margined with yellow. Length to tip of abdomen If mm.; width of pronotum f m m. Several specimens were collected on the Mount Gay estate, August 26, at the roots of grass on muddy soil adjacent to pools of water, and September 6, at an altitude of 50 feet, on grass and weeds growing out of a pool of water; also on the Telescope estate, and at Balthazar, March 5, on the open sandy shore of a stream, under decaying leaves. GALGULID^:. PELOGONUS, Latr. PELOGONUS MARGINATUS (Latr.). Acanthia marginata, Latr. Hist. Nat. Ins. xii. p. 242. Several specimens of different sizes and more than one pattern of marking were found at Balthazar, Windsor, and on the Mount Gay estate. They were found mostly in March and April, at which time they were also in the larval stage, on wet mud and sand near the river. Numerous specimens were observed, and they were found to fly quickly when disturbed. A very small specimen, with the broad yellow mark on the margin of pronotum, was found, August 26, on the Mount Gay estate, at the roots of grass, on mud, near pools of water. |