NEW RECORDS AND SPECIES OF AMERICAN PLATYPODIDAE (COLEOPTERA) 1 Stephen L. Wood 2 On the following pages 12 species of Platypus (Platypodidae: Coleoptera) are described as new to science. Of these, 2 occur in Colombia, 8 occur in Venezuela, 1 was taken in both Colombia and Venezuela, and 1 is from both Panama and Costa Rica. Notes are also included on the species group Platypi filiformes of Chapuis and on the synonymy of Platypus disciporus Chapuis from the south-eastern United States. Group Platypi filiformes Chapuis (1865, Monographic des Platypides, p. 217) estab-lished the Platypi filiformes to include his species Platypus sallei, macroporus and quadrispinatus , from Colombia, and disciporus from Tennessee. The latter species is transferred from the group below. Later, Schedl (1936, Rev. Francaise Ent. 2:245) named complatinus (spelled complanatus on p. 242 and in subsequent usage) and estab-lished the group Platypi complanati (in litt.) to contain it and allied forms, including annexus Wood, eugestus Wood and vegestus Wood. On the following pages, eight additional species are described which, in my opinion, completely bridge the gap between the Platypi fili-formes and the Platypi complanati. It is also noted that male annexus also have a median tubercle on the last visible abdominal sternum as in armatus Chapuis, which, with other characters found in the group, eliminates the necessity for maintaining the Platypi bicornuti as a separate group. Platypus nudatus, n. sp. This species is very closely related to pernudus Schedl; but it is distinguished by the more finely granulate frons; by the less shining, less distinctly punctured pronotum; and by the less strongly elevated, much less coarsely serrate declivital interstriae in the male. Male. — Length 2.8 mm (paratypes: males 2.6-2.8 mm, females 2.7-2.9 mm), 3.3 times as long as wide; color dark brown. Frons, pronotum, and elytral disc as in pernudus except frons much more finely granulate, punctures less clearly defined, prono-tum less shining, more finely punctured. Elytral declivity as in pernudus except interstriae less acutely elevated, much less strongly serrate, with fewer serrations on each interstriae. Female. — Frons and pronotum as in male; elytra as in female of pernudus except declivital face rugulose-reticulate and with fewer granules on lower half. 1 This paper resulted from research sponsored by the National Science Foundation. 'Department of Zoology, Brigham Young University, Provo, Utah. Scolytoidea contribution no. 44. 243
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