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