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Show 257 II. Sixth aniennal joint a* long, or very nearly as long, as the first griseons at base; tibice reddish- brown; tarsi yellow; forceps of male nearly as long as the body, nearly straight, incurved at tip, with a median inner tooth. Bodyl4mm; forceps, <? llmm, 9 5mm. Mexico. 13. vara Scudd. Dark maghogany- brown, the prothorax a little lighter; palpi and antennae dark luteous, the latter 11- 12- jointed ; pronotum scarcely as long as broad, as broad as the head, the sides dull luteous ; tegmina a little longer than the pronotum, dark brown; legs luteous; forceps of male less than half as long as abdomen, strongly arcuate, and also sinuate when viewed laterally; inner edge minutely denticulate at base, beyond crenulate. Body Smm; forceps, £ 3mm, $ 2.6mm. Mexico. tl4. elongata Fabr. Dark fuscous 5 head ferruginous; antennae yellowish ; margin of prothorax pale; tegmina aud legs uniform pale; abdomen dull ferruginous in the middle, darker at the end; forceps long, arcuate, pale at base, fuscous at tip, with a single basal inner tooth of medium size. West Indies. B. Sixth antenna! joint plainly obconic. LABIA. Of small size. Whole body flattened, long, and slender; the abdomen occasionally a very little tumid; antennae abouthalf as longas the body, 10- 13- jointed, the joints moniliform or obcouico- fusiform, seldom more than three times as long as broad; tegmina preseut; wings present or absent; first and third tarsal joints equal, the second minute, perfectly simple, compressed; second and third abdominal segments with lateral plications; forceps seldom more than half as long as the abdomen, in the male generally simple, arcuate, horizontal; in the female simple, straight, incurved at tip, unarmed. ( Wings wanting, or shorter than the tegmina b. ' \ Wings protruding beyond the tips of the tegmina - c. ' Last ventral segment of male very broadly rounded pos- * 1 teriorly, half as long as broad 1. Burgessi. a< Last ventral segment of male one- third as longas broad, the posterior border very convex 2. brunnea. Forceps of female flattened beneath, with sharp lateral . edges d. 9< Forceps of female scarcely flattened beneath, with rounded lateral edges e. Exposed part of wings, with a distinct yellow spot, d. 1 3. guttata. I Exposed part of wings unicolorous 4. melancholica. c Last ventral segment of male with a long apical tuber-e. 1 cle 5. minor* ( Last ventral segment of male ( probably always) entire, / . C Lateral tubercle of third abdominal Segment prominent, ^ J rounded 6. unidentata. '• \ Lateral tubercle of third abdominal segment scarcely I more prominent than that of the second, 7. rotundata. ( L. annulata, known only by the description of Fabri-cius, is not included in this table.) |