New species and records in Phrynidius Lacordaire (Coleoptera, Cerambycidae, Lamiinae) Author Noguera, Felipe A. Estacioìn de Biologiìa Chamela, Instituto de Biologiìa, Universidad Nacional Autoìnoma de Meìxico, Apartado Postal 21, San Patricio, Jalisco 48980, Mexico. Author Santos-Silva, Antonio Museu de Zoologia, Universidade de São Paulo, São Paulo, SP, Brazil. text Zootaxa 2023 2023-08-03 5323 4 451 476 http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN journal article 10.11646/zootaxa.5323.4.1 1175-5326 8212306 DAAF3E31-A245-4421-A41B-E9BE1538ABF9 Key to species of Phrynidius 1. Elytra with distinct, short, erect spatulate setae ( e.g. Fig. 12 )................................................. 2 - Elytra without erect spatulate setae ( e.g. Fig. 48 ), or with erect setae almost absent ( e.g. Fig. 24 ).................... 6 2(1). Antennal tubercles contiguous basally (e.g. Fig. 14 )........................................................ 3 - Antennal tubercles not contiguous basally (e.g. Fig. 22 )..................................................... 5 3(2). Erect setae on elytra present only apically. Guatemala ................................... P. guatemalensis sp. nov. - Erect setae on elytra abundant throughout................................................................ 4 4(3). Antennomere III 0.6 times longer than IV; sides of prothorax distinctly rounded ( Fig. 10 ). Honduras .. P. poriferus sp. nov. - Antennomere III twice length of IV; sides of prothorax slightly rounded ( Fig. 14 ). Guatemala ........ P. skillmani sp. nov. 5(2). Antennomere IV about as long as V and VI together ( Fig. 18 ). Honduras ......................... P. obrieni sp. nov. - Antennomere IV distinctly longer than V and VI together ( Figs 22, 27 ). Mexico ( Veracruz )........... P. wibmeri sp. nov. 6(1). Antennomere III at most as long as scape................................................................ 7 - Antennomere III longer than scape.................................................................... 14 7(6). Pronotum with distinct elevated anterocentral gibbosity ( e.g. Fig. 33 ).......................................... 8 - Pronotum without anterocentral gibbosity or anterocentral gibbosity almost indistinct ( e.g. Fig. 55 ).................. 9 8(7). Body stout ( Figs 29, 34 ); anterocentral gibbosity on the pronotum uniformly convex dorsally, not sinuous laterally ( Fig. 33 ). Mexico ( Oaxaca , Hidalgo )......................................................... P. pallifemoralis sp. nov . - Body slender ( Figs 36, 40 ); anterocentral gibbosity on the pronotum irregular dorsally, sinuous laterally ( Fig. 38 ). Mexico ( Oaxaca )....................................................................... P. oaxacanensis sp. nov. 9(7). Scape longer than pedicel and antennomere III together.................................................... 10 - Scape shorter or as long as pedicel and antennomere III together............................................. 11 10(9). Elytra elongate, pubescent. Mexico ( Hidalgo ; Veracruz , see also Volcán de Orizaba ( Veracruz and/or Puebla — Selander & Vaurie 1962 ).................................................................... P. inaequalis ( Say, 1835 ) - Elytra ovoid, subglabrous. Mexico ( Chiapas )....................... P. diminutus Gutiérrez, Toledo & Noguera, 2020 11(9). Antennomere IV as long as V–VI together. Guatemala , Honduras , Nicaragua ..................... P. asper Bates, 1885 - Antennomere IV shorter than V–VI together............................................................. 12 12(11). Scutellum more than twice as wide as long. Mexico , Guatemala ........................... P. armatus Linsley, 1933 - Scutellum very small, almost as wide as long............................................................ 13 13(12). Antennal tubercles very close to each other basally, with the area between them V-shaped; prothorax longer than wide. El Salvador ......................................................... P. salvadorensis salvadorensis Franz, 1954 - Antennal tubercles not very close to each other basally, with the area between them U-shaped; prothorax as wide as long. El Salvador , Honduras .............................................. P. salvadorensis montecristensis Franz, 1954 14(6). Elytra with large tubercle laterally after middle, with its base wider than apical width of metafemora. Mexico ( Chiapas )............................................................ P. tuberculatus Gutiérrez, Toledo & Noguera, 2020 - None of the elytral tubercles as wide at the base as the apex of the metafemora................................. 15 15(14). Apex of elytral tubercles glabrous..................................................................... 16 - Apex of elytral tubercles pubescent.................................................................... 17 16(15). Central tubercle of pronotum distinctly conical. Mexico ( Chiapas )......... P. jonesi Gutiérrez, Toledo & Noguera, 2020 - Central tubercle of pronotum uniformly convex. Guatemala , Honduras . P. guifarroi Santos-Silva, Van Roie & Jocqué, 2021 17(15). Antennal tubercles contiguous basally, with the area between them V-shaped................................... 18 - Antennal tubercles not contiguous basally, with the area between them U-shaped................................ 19 18(17). Antennomere III as long as scape. Mexico ( Chiapas ).................. P. cristinae Gutiérrez, Toledo & Noguera, 2020 - Antennomere III longer than scape. Guatemala ...................................... P. echinoides Breuning, 1940 19(17). Pronotum without strongly elevated central tubercle. Guatemala , Honduras , Costa Rica , Panama ... P. echinus Bates, 1880 - Pronotum with strongly elevated central tubercle with convex apex........................................... 20 20(19). Width of lower eye lobes equal to basal width of scape. Mexico , Guatemala , Honduras ......... P. singularis Bates, 1880 - Width of lower eye lobes greater than basal width of scape. Mexico ( Nayarit ), Honduras ............................................................................... P. nayaritensis Heffern, Nascimento & Santos-Silva, 2018