American Cerambycidae (Coleoptera): Four new species, new records and taxonomic notes Author Heffern, Daniel 10531 Goldfield Lane, Houston, TX 77064, USA. Author Santos-Silva, Antonio 0000-0001-7128-1418 Museu de Zoologia, Universidade de São Paulo, São Paulo, SP, Brazil & toncriss @ uol. com. br; https: // orcid. org / 0000 - 0001 - 7128 - 1418 toncriss@uol.com.br Author Nascimento, Francisco E. L. 0000-0002-5047-8921 Museu de Zoologia, Universidade de São Paulo, São Paulo, SP, Brazil & eribnascimentofl @ gmail. com; https: // orcid. org / 0000 - 0002 - 5047 - 8921 eribnascimentofl@gmail.com text Zootaxa 2021 2021-02-22 4933 3 361 378 journal article 7979 10.11646/zootaxa.4933.3.4 a3bf6440-2b88-402b-9bbe-107a257286e1 1175-5326 4554966 92A9D8F4-88CF-4971-9759-276BB230E208 Key to species of Championa (adapted from Noguera & Chemsak 1997 ) 1. Elytra with apices bispinose or bidentate; integument shining metallic green; pronotum transversely rugose.................. 2 – Elytra with apices rounded; integument fuscous, opaque; pronotum densely punctate and pubescent. Mexico ................................................................................................ C. badeni Bates, 1892 2(1). Elytra with transverse, median, eburneous fasciae............................................................ 3 – Elytra without median eburneous fasciae, markings consisting of pale, appressed pubescence only..................... 10 3(2). Elytra with median eburneous fasciae short, not extending to lateral margins...................................... 4 – Elytra with median eburneous fasciae extending from margins to suture.......................................... 6 4(3). Elytra with one short eburneous fascia...................................................................... 5 – Elytra with two, short, eburneous fasciae on each side and one obliquely transverse, pubescent band at apical third. Mexico ( Chiapas )................................................................ C. chemsaki Martins & Napp, 1992 5(4). Elytra with oblique eburneous fasciae at middle and an oblique, transverse pubescent band at apical third, a short transverse, pubescent band at basal third at suture, and a sutural pubescent band at basal third. Mexico ( Puebla , Oaxaca )................................................................................. C. westcotti Noguera & Chemsak, 1997 – Elytra with a short, transverse, eburneous fascia, transverse pubescent fasciae absent. Mexico ( Veracruz , Guerrero )...... C. ctenostomoides Bates, 1885 6(3) Pronotum with only one transverse pubescent band.......................................................... 7 – Pronotum with two transverse pubescent bands.............................................................. 9 7(6) Antennae in female not reaching elytral apex. Mexico ( Jalisco ).................... C. aliciae Noguera & Chemsak, 1997 – Antennae in female surpassing elytral apex................................................................. 8 8(7). Antennomeres VII–VIII, apex of metatibiae and metatarsi with dense white pubescence (pubescence on antennomeres distinctly contrasting with that on VI and IX). Mexico ( Nayarit )................................... C. zarazagai sp. nov. – Antennomeres VII–VIII, apex of metatibiae and metatarsi lacking dense white pubescence (pubescence on antennomeres from VII slightly, gradually denser toward XI). Mexico ( Chihuahua )............................. C. chihuahuaensis sp. nov. 9(6). Antennomere VII without long and abundant white pubescence ventrally. Mexico ( Sinaloa , Oaxaca )...................... ............................................................................. .. C. elegans Chemsak, 1967 – Antennomere VII with long and abundant white pubescence ventrally. Mexico ( Oaxaca )....... C. santossilvai Bezark, 2019 10(2). Elytra with a sutural pubescent band only; integument rufo-piceous to metallic violaceous or green. Mexico ( Durango , Jalisco )............................................................................ C. suturalis Chemsak, 1967 – Elytra without a sutural pubescent band, each elytron with a small patch of appressed pubescence at about basal third and an obliquely transverse band near apical third; integument bright metallic green. Guatemala ........... C. aurata Bates, 1880