1. Posterior part of scutellum rounded (a), or
concave (b) …2
— Posterior part of scutellum with a medial
spine (A, B) …3
2. Posterior part of scutellum concave (a);
scutellum with lateral ridges (a). Occipital carina present dorsally (medially
interrupted) (a); occiput with transverse striations (a). Face with lateral
carinae extending from lateral ocelli to antennal scrobes (b) …Anacharoides
— Posterior part of scutellum rounded (A);
scutellum smooth without lateral ridges (A). Occipital carina dorsally absent;
occiput smooth (A). Face without carinae (B) …Melanips
3. Vertex with a median vertical groove
backwards to occiput (a, b); carinae extend from posterior ocelli forwards to
antennae; ocelli raised; compound eyes bounded by a strong continuous carina (a,
b) …Prosaspicera
— Vertex without a groove (B), ocelli hardly
raised, carina surrounding compound eyes always interrupted near malar space (A)
…Aspicera
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