301a (300b). Pronotum large and almost conical, collar not delimited by an
edge (e.g.,
Figs.A-B)
or, if only moderately large then with distinct median line on rear slope
(e.g.,
Fig.C) and inner eye margins much diverging in lower half (Fig.D); thorax dorsally
densely pitted
and hairy; scutellum regularly densely hairy but without outstanding longer
bristles;
[fore or hind femora, or both, often distinctly
thickened].....................…....................... 302
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A B C D
301b. Pronotum short or, if large (rarely), then with collar
anteriorly delimited by transverse
edge, always without median line, inner orbits not
unusually diverging in lower half; thorax
mostly with different sculpture; scutellum often
posteriorly with 2 frenal bristles, sometimes
with additional pairs of
conspicuous setae
anteriorly............................................................……..... 307