Antennae short; head retreating; interocular space ˜2 times diameter of antennal scape
| Antennae very long, longer than head and thorax together; head suborthognathous; interocular space <2 times the diameter of antennal scape
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Body stout, with hind femora hardly exceeding apex of abdomen
| Body slender, with elongate, very slender hind femora, largely exceeding apex of abdomen
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| Not as right description | Fastigium of vertex very declivent
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| Pronotum with a marked median carina, mesonotum and metanotum without any projection | Median carina of pronotum obsolete |
| Not as right description | Always strong laterodorsal oblically or subvertically directed projections between the 2nd and 3rd sulci of pronotum (male)
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