| OCR Text |
Show 265 side of the principal veins; with this exception, the neuration of the wing is unusually regular and scalariform, the veins of the apex resembling somewhat their, disposition in Gtyphippus. The type of this genus is ( Edipoda undulata Thomas. ( Edipoda sparsa Thorn, also belongs here, and I have a third undescribed species of the genus from Nevada, sent me by Mr. H. Edwards. 22. Circotettix undulata (( Edipoda undulata Thorn.). 1 <?, Manitou, Colo., July 14. 23. Trimerotropis citrina nov. sp. Ash- gray, blotched with dark fuscous ; foveolae of the head moderately distinct, a slight, lozenge- shaped, flat depression at the tip of the fastigium; antenn ® yellowish- brown, obscurely annulated with fuscous. Median carina of pronotum distinct only on front lobe, and on its anterior part somewhat elevated, deeply cleft by the transverse sulcatious, and sometimes depressed below the general level of the surface at the hindmost sulcation ; front lobe corrugate, hind lobe nearly flat, granulose, with a few small, scattered tubercles, the posterior margin rectangular. Tegmina and wings extending far beyond the abdomen, the former as in T. vlnculata Scudd., but much more uniform, tbe transverse ashen bands being more infuscated, and very rarely so distinct as in that species; wings rather pale lemon-yellow at base, pellucid, with black nervules at apex, and near the middle furnished with a broad, blackish, or very dark fuliginous band, shaped as in T. vinculata, but a little broader; beyond it, half- way to the apex of the wing, the space between the anterior two veins is more or less distinctly castaneous. Hind femora as in T. vinculata, hind tibia rather pale coral- red, becoming very pale at the base, the spines black- tipped. Length ( of average specimens), <? 0.23mm; 928.5mm; of antennae, £ 12, 910.5"" 11; of tegmina, <? 27.5mm, 9 31.5mm; of hind femora, 212.5, 915mm. A single male was taken at Denver. Colo., July 10. I have also specimens from the Bed River of the North ( Kennicott) to Texas ( Belfrage, Boll). Boll's specimens were taken in Dallas County, June 6. Belfrage found tbe species " common in sandy places" in October and November, and a few also in June and July in the same State. The species seems to vary somewhat, northern specimens differing from the southern in having a paler band on the wings, the tegmina more distinctly fasciate, v and the disk of the pronotum more depressed at the posterior sulcation. It is closely allied to T. vinculata, but the color at the base of the wings is deeper, the black band is broader, the tegmina are rarely so distinctly fasciate, and tbe hind tibise are red instead of yellow. 24. Trimerotropis suffusa nov. sp. Color varying from blackish- brown to very dark olive- brown above, the sides, and of the head the face, changing from livid below to brown above, all flecked heavily with black dots and blotches, the general effect being a speckled gray; antennae very dark brown, faintly annulate with fuscous. Tegmina dark brown, suffused with blackish clouds on the basal half, heavily flecked with moderately large, quadrate, blackish- brown spots on the outer half, the cross- veins here and there brownish- yellow. Wings pale- citron on the basal half, separated from the outer half by a nearly straight line parallel to the body ( when the wing is completely extended); outer half blackish fuliginous, deepest at apex and next the middle of the wing, and emitting a broad tapering shoot next the ulnar vein half- way from the middle of the wing toward the base; occasionally, the middle of the fuliginous area is semi- pellucid; the middle half of the apical four- fifths of the costal margin is blackish, sometimes as far as the radial vein ; hind legs as in T. verruculata. Length ( Utah specimen) of body, 27mm; of antennae, llmm; of tegmina, 29mra; of hind femora, 13.5mm. |
