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Body length up to 11 mm. Humeri (hind corners of pronotum) triangular, extended laterally well beyond sides of abdomen. Mesosternal carina (midline ridge underneath thorax between fore and mid legs) strongly developed, deeply forked behind.

Body length 12 to 17 mm. Humeri (hind corners of pronotum) rounded, not or slightly extended laterally, more or less in line with sides of abdomen. Mesosternal carina (midline ridge underneath thorax between fore and mid legs) weakly developed, only slightly notched behind. NEXT »