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 Key to Lamiinae with widened metepisterna
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Francesco
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Luxembourg
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Posted - 04/11/2013 :  19:13:05  Show Profile  Email Poster  Visit Francesco's Homepage  Reply with Quote
1. Eyes divided, their lobes widely separated; head not reclining; intecoxal process much narrower than procoxae; mesosternum anteriorly truncate; body generally stout, antennae robust (Asia and Africa) ... Astathini (click on Gallery or on Forum for images)


-. Eyes entire; if divided divided, their lobes close; head reclining; intecoxal process larger; mesosternum anteriorly rounded, rarely truncate; body generally elongated, antennae longer and fine (Worldwide) ... Saperdini (click on Gallery or on Forum for images)



Note. Some very ancient authors recognised inside Saperdini three further tribes:

Gleneini: characterised by elytra with an humeral ridge
Phytoecini: characterised by hooked claws
Obereini: characterised by elongated body.

Such tribes are completely meaningless since:
  • Saperda tridentata, Eutetrapha, Pareutetrapha, Paramenesia have an humeral ridge, but are ranked among Saperdini
  • Glenea, Gleneonupserha, Nupserha have hooked claws but are ranked among Gleneini ;
  • Stenostola, Neoserixia, Paraserixia have hooked claws but are ranked among Saperdini . Moreover, Heteroglenea (Gleneini?) has protarsi with hooked claws and metatarsi with normal claws.
  • The elongate body is a relative concept: the taxonomic position of Obereopsis, Chlorisanis, having intermediate shape, is overlooked by those authors
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