Systematic revision of Gonaphodiellus taxa, with description of two new genera and fourteen new species (Coleoptera: Scarabaeidae: Aphodiinae) Author Dellacasa, Marco Museo di Storia Naturale e del Territorio Università di Pisa Via Roma, 79 I- 56011 Calci (Pisa), Italy dellacasa@museo.unipi.it Author Dellacasa, Giovanni Via Talamone 31 / 19 I- 16127 Genova, Italy dellacasag@alice.it Author Gordon, Robert D. Northern Plains Entomology P. O. Box 65 Willow City, ND 58384 USA rdgordon@utma.com text Insecta Mundi 2012 2012-04-06 2012 230 1 41 journal article 55533 10.5281/zenodo.5174222 b0a0b4e7-7c0d-4b51-9a59-156975677df7 1942-1354 5174222 Gonaphodioides skelleyi new species ( Fig. 99-103 ) Type locality. San Juan Chamula env., 16°46’56.4’’– 092°41’36.3’’W , m 2282, Chiapas , Mexico . Type repository. Dellacasa Collection, Genoa, Italy . Description. Length 5.0-6.0 mm, oblong, rather convex, moderately shiny, glabrous. Black; tarsi and antennal club dark piceous. Head with epistome feebly convex on disc, finely, evenly, not closely punctured throughout; clypeus faintly sinuate at middle, obtusely round at sides, finely bordered, edge glabrous, moderately reflexed; genae obtusely round, not ciliate, feebly protruding from the eyes; frontal suture obsolete; front almost evenly finely, rather sparsely punctured. Pronotum transverse, convex, dually punctured; large punctures, five to six times larger than small ones, sparsely irregularly scattered on sides only; small, very fine punctures evenly not closely sparse throughout, medially extremely fine; lateral margins feebly arcuate, rather thickly bordered, edge glabrous; hind angles obliquely truncate, truncation feebly inwardly sinuate; base distinctly bisinuate. Scutellum slightly convex, finely irregularly punctured on basal half. Elytra oval-elongate, feebly broadened posteriorly, minutely denticulate at shoulder; striae fine, superficially, not closely punctured, faintly crenulate, somewhat deeper on preapical declivity; interstriae flat, near imperceptibly alutaceous and with extremely fine sparse punctures. Hind tibiae upper spur shorter than first tarsal segment; first tarsal segment somewhat longer than following three segments combined. Male: head and pronotum relatively more transverse, less convex and more sparsely punctured; aedeagus Fig. 102-103 . Female: head and pronotum relatively less transverse, more convex and somewhat more closely punctured. Type material. MEXICO : Chiapas : San Juan Chamula env., 16°56’56.4"N – 092°41’36.3"W , m 2282, 21.VI.2007 , leg. Dellacasa M. , Fresi C. & Martínez I. , horse dung ( male holotype , allotype and 1 paratype , DCGI ) ; 6 mi. E San Cristobal L. C., 07.V.1969 , leg. Howden H. F. ( 1 paratype , CNCI ) ; 8 mi. NE San Cristobal L. C., 01.V.1969 , leg. Howden H. F. ( 1 paratype , CNCI ) ; 7 mi. SE San Cristobal , 09.V.1969 , leg. Howden H. F. ( 1 paratype , CNCI ) ; 3 mi. NW San Cristobal L. C., 31.V.1969 , leg. Howden H. F. ( 1 paratype , CNCI ) ; 5 Km W San Cristobal de las Casas , 8000’, 13-16.VIII.1969 , leg. Peck S. & J., pine-oak forest ( 2 paratypes , CNCI , DCGI ) ; 10 mi. SE Teopisca , 11.V.1969 , leg. Martin J. & N. ( 1 paratype , CNCI ) . Distribution. Known from the type locality only. Etymology. Named in honor of Paul E. Skelley, collections manager of Florida State Collection of Arthropods, Gainesville, Florida . Bionomics. Almost unknown. Some of the specimens of the type series were collected in horse dung.