View of those extremely robust mandibles from the ventral side.
Structure of lower mouthparts is distinctive for this family--mentum deeply notched, the notch occupied by the large, horn-like ligula, see Dillon, fig. 438
(1).
Contributed by
Cotinis on 23 February, 2007 - 9:21am
Last updated 24 February, 2007 - 4:03am