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 Key to species of Gonaphodiopsis 1. Pronotal dual punctation dense and almost uniformly scattered throughout ( Fig. 105 , 115 ) .. 2 — Pronotal dual punctation sparse and rather irregularly scattered ( Fig. 111 , 122, 126 ) ............ 3 2(1). Elytra elongate, feebly widened posteriorly ( Fig. 106 ); interstriae feebly convex on disc, somewhat more convex on preapical declivity. Reddish brown, pronotum and elytra shadowy darker on disc. Length 4.0-4.5 mm. Mexico ( Oaxaca , Puebla , San Luis Potosí , Tamaulipas , Veracruz ) ............................................................................................................. G. deloyai new species — Elytra short, distinctly broadened posteriorly ( Fig. 115 ); interstriae convex on disc, subcariniform on preapical declivity. Chestnut brown or piceous. Length 3.5-4.5 mm. Mexico ( Veracruz ) ... .................................................................................................. G. montesdeocai new species 3(1). Basal margin of pronotum with a belt of coarse contiguous punctures crenulating a sort of thick edge ( Fig. 111 ); lateral margins of pronotum slightly inwardly sinuate before hind angles; truncation of hind angle inwardly sinuate; elytral interstriae slightly convex on disc, subcariniform on preapical declivity. Chestnut brown more or less dark. Length 5.0-5.5 mm. Mexico ( San Luis Potosí , Tamaulipas , Veracruz ) ............................ G. hypogea new species — Basal margin of pronotum without such a belt of punctures ...................................................... 4 4(3). Large pronotal punctures moderately coarse, very sparse on sides and widely lacking medially; small punctures almost imperceptible on disc ( Fig. 122 ); elytral striae fine, superficially punctured, faintly crenulate; interstriae almost flat on disc, very feebly convex on preapical declivity, almost impunctate. Piceous or blackish. Length 5.0-5.5 mm. Mexico ( Chiapas ) .... .......................................................................................................... G. pachecoi new species — Large pronotal punctures strongly coarse and rather dense on sides; small punctures distinct also on disc, even if therein more superficial ( Fig. 126 ); elytral striae rather deep, coarsely punctured, crenulate; interstriae convex on disc, subcariniform on preapical declivity, sparsely finely punctured. Reddish brown, pronotum disc and elytra somewhat shadowy darker. Length 4.5-5.0 mm. Guatemala , Mexico ( Chiapas ) ............................. G. teopiscaensis new species