Fig. 2 in The family Epimetopidae (Coleoptera: Hydrophiloidea): review of current knowledge, genus-level phylogeny, and taxonomic revision of Eupotemus

Fig. 2. Morphology of mouthparts and head appendages of the genera of Epimetopidae. A–I – Eupotemus Ji & Jäch, 1998: A, C, E, F, H – E. smithi sp. nov., B, D, G – E. limicola (Delève, 1967), I – E. cameroonensis sp. nov. J–Q – Eumetopus Balfour-Browne, 1949: J, L, M, N, P – E. schuelkei Jäch, 2002, Q – E. bullatus (Sharp, 1875), K, L*, O – E. sp. from Sri Lanka. R–Z, a–l – Epimetopus Lacordaire, 1854: R–W – E. mendeli Fikáček et al., 2011, X–Z, a–c – E. costaricensis Perkins, 1979, g, j – E. thermarum Schwarz & Barber, 1917, e, k – E. trogoides (Sharp, 1874), h – E. costatus group, f, i, l – E. punctipennis Perkins, 1979. Body parts: A–B, J–K, R, X, g–i – labrum; C, L, S, Y – mandibles; D, L*, e–f – mandibular apex; E, M, T, Z – maxilla; U – detail of basal part of ultimate palpomere; F–G, N–O, V, a–b, j–l – mentum and prementum; H–I, P–Q, W, c – antenna. Not to scale.