A taxonomic monograph of the genus Tylodinus Champion (Coleoptera: Curculionidae: Cryptorhynchinae: Tylodina) of Chiapas, Mexico Author Luna-Cozar, Jesús jlcozar@yahoo.com.mx Author Anderson, Robert S. jlcozar@yahoo.com.mx Author Jones, Robert W. Author León-Cortés, Jorge L. text Zootaxa 2014 2014-04-15 3788 1 1 63 journal article 5629 10.11646/zootaxa.3788.1 80d33caa-2379-4f5e-ba98-6d1cc29a7906 1175-5326 4913761 7484832A-025B-41FA-9696-DF7531C01AA4 34. Tylodinus gibbosus Luna-Cozar , sp. nov. ( Figures 92–93 , 127 , 133 ) Diagnosis. Length male 2.6 mm . Width male 1.3 mm . As for T. immundus with following exceptions: body 1.9.x longer than wide; densely clothed with whitish to gray scales. Frons moderately concave, rostrum moderately carinate, punctures shallow. Pronotum in lateral view moderately convex, outline with anterior constriction, without posterior constriction ( Figure 10 ); disc somewhat hollowed, surface with small, dense punctures. Elytra strongly convex, basal margin slightly sinuate, punctures small, shallow, without granules, stria 10 incomplete, with dense patch on intervals 1–3 and intervals 1–5 at base of elytral declivity. Metasternum moderately concave. Ventrite 2 glabrous in median section. Hind femur extending beyond the apex elytral. Male genitalia ( Figure 127 ) with median lobe in lateral view moderately stout; in ventral view with lateral sides straight, subparallel; apical process in lateral view almost as long as length of median lobe, slightly curved. Female unknown. Geographic distribution. México ( Chiapas ). Habitat and elevation. The holotype was collected from leaf litter in cloud forest at 1750 m . Derivation of specific name. Name from the Latin gibbosus derived from Latin word gibbus = hump, hunchback Material examined. Total 1 male . Holotype male ( CMNC ): México : Chiapas , Pueblo Nuevo Solistahuacán , Yerbabuena Reserve , elev. 1750 m ( 17°11'.24''N , 92°53'52.44''W ), 19.ix.1991 , coll. R . S. Anderson.