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"Antennae 9-jointed ... labrum broadly rounded ... the head in great part exposed ... Anterior tibiae flattened (compare ventral view), the external edge acute, the axial line feebly arcuate throughout"
(1).
This image is from a
CombineZP processed stack of 325 images with a 1.8 micron step taken with a Nikon BD 20X 0.40NA microscope objective + adapter/extension tube + Nikon D300 camera.