A REVISION OF THE SUBTRIBE HIPPOMELANINA - HIPPOMELAS LAPORTE AND GORY, PRASINALIA CASEY, GYASCUTUS (STICTOCERA) CASEY, AND BARRELLUS, GEN-NOV (COLEOPTERA, BUPRESTIDAE)

The subtribe Hippomelanina is revised and six genera are recognized: H ippomelas Laporte and Gory, Gyascutus LeConte, stat. nov., Prasinalia Casey, stat, nov., Barrellus Nelson and Bellamy, gen. nov., Nanularia Casey, and Ampheremus Fall. The genus Hippomelas contains eight specie s: H. brevipes Casey, H. martini Nelson, sp. nov., H. planicauda Casey , H. mexicanus (Laporte and Gory), H. saginatus (Mannerheim), H. aeneo cupreus Kerremans, H. sphenicus (LeConte), and H. parkeri Nelson, sp. nov. The genus Prasinalia contains two species: P. cuneata (Horn), com b. nov., and P. imperialis (Barr), comb. nov. The genus Gyascutus cont ains two subgenera: Gyascutus LeConte, not covered in this study, and Stictocera Casey, stat. nov. that contains one species, G. (S.) caelat us (LeConte), comb. nov. The genus Barrellus contains one species, B. femoratus (Knull), comb. nov. The seven species of the genus Nanularia and one species of Ampheremus were not covered in this study. All tax a covered are described and information on variation, type localities, distribution, biology, and comparisons are given for each species. Ke ys to genera, subgenera, and species are provided. Illustrations for a ll species, including habitus, male and female genitalia, larvae of Pr asinalia, Gyascutus (s.str), and Nanularia, other anatomical parts, as well as a cladogram of genera are presented. Tables of taxa, characte rs and character states used in the cladistic analysis are included.