ORSODACNIDAE Author: John F. Lawrence, 2001. Classification Suborder Polyphaga, Series Cucujiformia, Superfamily Chrysomeloidea. Description Antenae with 11 segments, filiform or serrate. Antennal insertions exposed. Visible portion of procoxa transverse with the trochantin at least partly exposed. Procoxal cavity externally closed and internally closed. Mesocoxae separated by less than 0.4 X coxal width, with mesocoxal cavity laterally open. Tarsal formula 5-5-5 but tarsomere 4 reduced and concealed at base of lobe on 3 (pseudotetramerous). Number of ventrites 5 or 6 without ventrites connate. Body length 6-10 mm. Moderately elongate, slightly flattened, glabrous. Quick identification Orsodacnidae are also basal chrysomeloids formerly included in Chrysomelidae. Aulacoscelis has recently been associated with cycads. Genera occurring in Costa Rica Aulacoscelis, Janbechynea. © CSIRO Emtomology, 1999 Aulacoscelis Derechos Reservados INBio. Copyrights INBio