| a | SMC3 strongly narrowed above and forming triangle, petiolate (Fig. 3F) | SMC3 strongly narrowed above, much shorter than below, quadrilateral, without petiole |
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| b | Ratio of length of marginal cell to distance from marginal cell tip to wing tip = 3:5 | Ratio of length of marginal cell to distance from marginal cell tip to wing tip = 4:5 |
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| c | Hindwing vein M+CuA diverging at cu-a (Fig. 3F) | Hindwing vein M+CuA diverging after cu-a |
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| d | Longer spur of hind tibia 0.67–0.83 × as long as basitarsus | Longer spur of hind tibia 0.5 × as long as basitarsus |
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| e | Apical sternum moderately compressed laterally and without longitudinal ridge ventrally, arc (Fig. 3G) | Apical sternum strongly compressed laterally and with distinct longitudinal ridge ventrally |
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| f | Pronotum without yellowish white stripe at posterior margin (Fig. 4F) | Pronotum with yellowish white stripe at posterior margin |
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| g | Metasoma with black, stout, short setae at apex | Metasoma with black, long setae at apex |
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| h | Aedeagus with distinct, transparent membranous band apically, length of transparent membranous band 0.75 × aedeagus (Fig. 5B, C) | Aedeagus with short, transparent membranous band apically, length of transparent membranous band about 0.2 × aedeagus |
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| i | Paramere short, feathery, as long as digitus, with long setae at inner side (Fig. 5B, C) | Paramere extending far beyond apex of digitus volsellaris, strongly enlarged apically, with very long setae at enlarged apically |
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