New Species and Records of Costa Rican Featherwing Beetles (Coleoptera: Ptiliidae) Author Darby, Michael text Zootaxa 2016 4184 1 41 51 journal article 10.11646/zootaxa.4184.1.2 6a80d4c8-9142-43f3-8e2f-ad72423fb244 1175-5326 164467 396B3FCE-089E-4661-A6D0-FE464D4AAA71 Seminis factiosum sp. n. ( Figs 7A–K ) Habitus, Fig. 7A . Length 0.89 mm . Colour dark brown. Pubescence, antennae and legs dusky yellow. Antennomeres 3–11 length 0.34 mm , Fig. 7B . Mentum and submentum chaetotaxy Fig. 7G . Width across eyes 0.38 mm . Pronotum 0.60 mm wide, 0.43 mm long. Elytra 0.41 mm long, 0.57 mm wide, detached elytron Fig. 7I . Mesoventrum with strong downwardly projecting keel between mesocoxae in dorsal view, Figs. 7E,F . Metascutellum Fig. 7K . Metaventrum clearly reticulate, posterior margin between metacoxa +/– 1/4 the width of the sclerite, straight with two sharp points at corners, Fig. 7F . Abdominal reticulation with alternate cells of single setae and microtrichiae, Fig. 7H . Pygidium, Fig. 7J . Wings of usual Ptiliid type . Male: aedeagus, Figs. Ca/b. Ventrite VI with semicircular incision, ventrite VII with anteriorly projected apodeme, Fig. 7D . Female: unknown. Etymology . From the Latin adjective factiosus meaning intriquing. Type data . Holotype : ♂ , Costa Rica , Osa Peninsula, Road, Bahia Drake to Rincon de Osa , forest and plantations, car net devart, 8.41–42 N 83.29 –40W, 0–400m , 9.x.2012 , 1500–1700 hrs, Schülke & Grünberg ( INBio ).