Key to the genera of Gelastocephalini
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Vertex about as wide as an eye Select - Genus Holgus Löcker & Larivière (part, H. unispinosus only) |
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Vertex much wider than width of an eye |
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Vertex about as wide as an eye Select - Genus Holgus Löcker & Larivière (part, H. unispinosus only) |
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Vertex much wider than width of an eye |
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