Championa, Bates, 1880

Heffern, Daniel, Santos-Silva, Antonio & Nascimento, Francisco E. L., 2021, American Cerambycidae (Coleoptera): Four new species, new records and taxonomic notes, Zootaxa 4933 (3), pp. 361-378 : 373-374

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