. Breviora. 1962 NORTH AMERICAN BETHYLUS 7 . ill female, . in male) ; wings of micropterous in- dividuals reaching at least nearly to middle of propodeal disc (relative wing length .) ; fully winged individuals with radial vein curved upward sharply apically, vein arising from basal vein barely indicated; fore tibiae clear yellow; male subgenital plate strongly emarginate, but the side-pieces relatively broad and blunt (Fig. 3, a) . .decipiens (Provancher) Propodeum somewhat convex dorsally but without a median ridge which is set off from the remainder of the disc; head sligh


. Breviora. 1962 NORTH AMERICAN BETHYLUS 7 . ill female, . in male) ; wings of micropterous in- dividuals reaching at least nearly to middle of propodeal disc (relative wing length .) ; fully winged individuals with radial vein curved upward sharply apically, vein arising from basal vein barely indicated; fore tibiae clear yellow; male subgenital plate strongly emarginate, but the side-pieces relatively broad and blunt (Fig. 3, a) . .decipiens (Provancher) Propodeum somewhat convex dorsally but without a median ridge which is set off from the remainder of the disc; head slightly longer (width/length ratio . in female, . in male) ; wings of most individuals extremely small, reaching barely beyond anterior margin of propodeum (relative wing lenglli .) ; fully winged individuals with radial vein not curved upvrard sharply at apex, vein arising from basal vein nearly as long as transverse median vein; fore tibiae of female usually at least weakly sutfused with brownish; male subgenital plate with a strong emargination, the side-pieces reduced to slender, acuminate processes (Fig. 3, b) amoenus Fonts. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University


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