. Synopsis of American wasps [microform] : solitary wasps. Wasps; Wasps; Hymenoptera; Guèpes; Guèpes; Hyménoptères. SCO UYMKNOI'TERA OP AMKllICA. [PAUT I. ments of tho abdonioii, yollow. The 4tli scgmrMit ((^ftcn ?) with ail incomplete yellow baml. Wiiifj rcuIo brown, nmrgiiiod witli yellower ferniginous. Feet black; tibiic ut base outside and tiuMr apical spines, yellow. Wings smoky.— 9. Clyi)eus yellow, widened below, terminated by two very strong, i)lunt, black spines. Mandibles and antenna) wholly black. A yellow line between the insertion of the antenna). jBt'88. a. diJ/'.--Tbis small spe
. Synopsis of American wasps [microform] : solitary wasps. Wasps; Wasps; Hymenoptera; Guèpes; Guèpes; Hyménoptères. SCO UYMKNOI'TERA OP AMKllICA. [PAUT I. ments of tho abdonioii, yollow. The 4tli scgmrMit ((^ftcn ?) with ail incomplete yellow baml. Wiiifj rcuIo brown, nmrgiiiod witli yellower ferniginous. Feet black; tibiic ut base outside and tiuMr apical spines, yellow. Wings smoky.— 9. Clyi)eus yellow, widened below, terminated by two very strong, i)lunt, black spines. Mandibles and antenna) wholly black. A yellow line between the insertion of the antenna). jBt'88. a. diJ/'.--Tbis small species is quite distinct by its strongly tuberculato metalhorax. It could only !.e confounded with 0. chichimccus, but it is not so small, nor as slender; tho is not as cylindrical; the body not as strongly punctured; tho seutel is not crested ; tho metathoracic tubercles are much stronger and the direction of the shar)) external ridge of these is convergent downward, while in chichimccus the tubercles are on tho contrary a sort of superior margin of au indicated cavity of the metathorax. Compare also 0. olmcrus and nahuus. Hub. The temperate parts of Mexico. I caught only one male in tho valley of Subgenns EPIPONUS' Shuck. Eplpona Shuck. ; Sauss.—Oplopvst Wesm. ; Sauss. Vespid., I, 217.— Oplomcrus Wkstwood.—Pterochilus ex. p. «ff. Abdomen quite ovate, depressed; the first segment c'lp-shaj^ed, sessile, or subpednnculate at base, sensibly narrower than the 2d, but not constricted at base. Thorax short, rather globular. Metathorax rounded, destitute of angles and of sharp edges, without rugosities. Second recurrent nerve of the anterior wing falling upon the 2d transvcrso-cubital nerve or very close to it.—(Appearance of tho genus Pterochilus.) % %. Antennse having at times the last joint recurved like a hook; these organs being more often elongate, thick, with their last joints c\:mpressetl, flattened, curled up to a spiral.— Clypeus
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectwasps, bookyear1875
