3(2'). Margin smooth between club antennomeres 1 and 2 but terminal club
 antennomere clearly much narrower than club antennomere 2 (Fig. 5-3); basal
 plate rounded (Fig. 5-6); median lobe as in Figs.5-4 and 5-5...............................
 ................................... ............. ...... Cybocephalus antilleus new species

3'. Antennal club with a clearly serrated margin (Fig. 5-7)................................4

4(3'). Male bicolored with head, prothorax, mesosternum and legs yellow or tan, rest of
 body black; basal plate coming to a rounded point (Fig. 5-21); median lobe as in
 Figs. 5-19 and 5-20 ........................... Cybocephalus nipponicus Endrody-Younga

4'. M ale not bicolored ............................................ .......... ...... ...........5

5'. Male basal plate rounded with a slight concavity at the apex (Fig. 5-10); median
 lobe as in Figs. 5-8 and 5-9........................ Cybocephalus caribaeus new species

5(4') Male basal plate evenly rounded and without concavity (Fig. 5-25); median lobe
 as in Figs. 5-23 and 5-24..................... Cybocephalus geoffreysmithi new species

 Cybocephalus Erichson 1844

Cybocephalus Erichson 1844: 441-442.

 For a description of the genus, see Smith and Cave (2006a).

 Cybocephalus antilleus T. R. Smith, New Species

 (Figs. 5-3-5-6)

 Diagnosis. Male and female are black but with a matte-like appearance. The

antennal club has a distinctive shape (Fig. 5-3) unlike any other species in the West

Indies. In males, the basal plate (Fig. 5-6) and median lobe (Fig.5-4) are easily

distinguished from those of all other species.

 Etymology. This species is named after the chain of islands (the Antilles) in which

it occurs.

 Description. Male. Form: Elongate round, contractile; strongly convex dorsally.

Length: 1.3 mm (measured from apex of the clypeus to apex of elytra); breadth: 0.7 mm

(measured across elytral humeri). Color: Black, shiny but with a matte-like appearance.