Generic Description
Measurements: Prothorax
at widest point 4.7 mm, elytra at widest point 5.8 mm, length 12.7 mm.
Color and vestiture: Body dark brown, vestiture comprised of small reddish-brown
setae.
Head: Clypeus not coplaner with frons; frons angled at
30°; labrum
in frontal profile broadly ovate, deeply emarginate, quadrate, ventral
surface raised medially; labium with prementum quadrate, medially quadrate,
ventral surface raised medially; antennae 10-segmented, segments 8-10
forming an elongate club, the length of which equal to combined length
of segments 3-7.
Prothorax: Pronotum oblong, transverse, widest in posterior 1/4, anterior
angles acute, lateral margins convex, posterior angles obtuse, posterior
margin convex, medially lobed, dorsal surface rounded; coxa transverse,
tibia with dorsal margin bidentate; tarsomeres broadly clavate; pretarsus
with claws divergent, equal in length, claws narrowly split.
Mesothorax: Scutellum subtriangular; elytra longer than wide, widest
in anterior 1/4th, elytral epipleuron flattened, dorsal surface lacking
striae, anterior and posterior umbones well developed; pretarsus similar
to prothoracic pretarsus.
Metathorax: Metathoracic leg with coxae contiguous; femur ovate, widest
in distal 1/2; tibia very strongly clavate, narrow in proximal 1/2, widest
in distal 1/2, posteroventral margin with two stout, long spurs, spurs
arise at same level as tarsal articulation joint, posterior margin with
a shallow, U-shaped groove; pretarsus with claws similar to those of
prothoracic legs.
Abdomen: Ventrites 2-4 equal in length, 5th ventrite (= propygidium)
equal in length to combined lengths of ventrites 3-4, ventrite and sternite
of 5th abdominal segment not separated by a distinct suture; 6th ventrite
equal in length to that of ventrite 4, flattened medially, forming an
ovate region; pygidium subtriangular, wider than long.