FSCA Florida State Collection of Arthropods, Gainesville, FL (Paul Skelley and
 Michael Thomas)

SEMC Snow Entomological Museum, University of Kansas, Lawrence, KS (Zack H.
 Falin)

TAMU Texas A&M University, Department of Entomology, College Station, TX (Ed
 G. Riley)

USNM United States National Museum, Smithsonian Institution, Washington D.C.
 (Gary Hevel)

WIBF West Indian Beetle Fauna Project Collection, Montana State University,
 Bozeman, MT (Michael Ivie)
Methods

 Genitalia were removed and disarticulation was carried out using the methods

described in Smith and Cave (2006a).

 Definitions

Median lobe: Also referred to as penis (Endrody-Younga 1968, 1971a, 1971b; Kirejtshuk

et al. 1997; Lupi 2003; Yu 1995a, 1995b).

Basal plate: This is a reference to the basal plate of the tegmen (Endr6dy-Younga 1968,

1971a, 1971b; Lupi 2003; Yu 1995a, 1995b).

 Key to the Cybocephalidae of the West Indies and Trinidad

1. Head very short with extremely short, slightly concave clypeus (Fig. 5-2); femora
 and tibiae of the posterior two pairs of legs extremely dilated and laminiform (Fig.
 5-27); male with blue-green metallic sheen on head and apical half of pronotum...
 .............................................. Pycnocephalus deyrollei (Reitter) new combination

1' Head not short, clypeus of normal size and not concave at the apex (Fig. 5-1);
 only hind femora dilated, middle femora and tibiae of the posterior two pairs of
 legs not or only slightly dilated; male without metallic sheen..............................2
2(1') Antennal club without a serrated margin and terminal antennomere rounded (Fig.
 5-11); scutellum with concave margins (Fig. 5-15)........................... .............
 ................................................. .............. ........ Cybocephalus iviei new species

2'. Antennal club with at least 2 antennomeres forming a serrated margin and
 terminal segment truncate (Fig. 5-3); scutellum with straight or slightly convex
 m arg in s (F ig 5 -16 ) .................................................. ................ .. 3