Chelobasis, Gray, 1832

Staines, C. L., 2009, A review of the genus Chelobasis Gray, 1832 (Coleoptera: Chrysomelidae: Cassidinae), Zootaxa 2033 (1), pp. 58-68 : 59

publication ID	https://doi.org/10.11646/zootaxa.2033.1.6
DOI	https://doi.org/10.5281/zenodo.5334630
persistent identifier	https://treatment.plazi.org/id/0394879B-435B-103D-CABB-FCDBA6EAFB5D
treatment provided by	Felipe (2021-08-22 06:41:48, last updated by Plazi 2023-11-04 07:40:04)
scientific name	Chelobasis
status

Treatment

Key to the Chelobasis View in CoL

1. Apex of elytra rounded or slightly angulate ( Figs. 5a, 6a, 7 View FIGURES 5–8 ); elytral punctures not impressed ................................... 2

- Apex of elytra distinctly angulate ( Fig. 8a View FIGURES 5–8 ); elytral punctures slightly impressed; Costa Rica to Ecuador................... ........................................................................................................................................................ Ch. perplexa (Baly) View in CoL

2(1).Antennomere 2 transverse ( Fig. 5b View FIGURES 5–8 ) ............................................................................................................................. 3

- Antennomere 2 cylindrical ( Fig. 6b View FIGURES 5–8 ); Nicaragua to Bolivia................................................................ Ch. bicolor Gray View in CoL

3(2).Antennomere 3 less than length of 1 and 2 combined ( Fig. 5b View FIGURES 5–8 ); lateral margin of pronotum angulate in middle; Ecuador.......................................................................................................................................... Ch. aemula (Waterhouse) View in CoL

- Antennomere 3 subequal in length to 1 and 2 combined; pronotum not angulate in middle; Colombia....................... .......................................................................................................................................... Ch. laevicollis (Waterhouse)

Figures

FIGURES 5–8. Elytral apices and antennae of Chelobasis species. 5a. Elytral apex of Ch. aemula. 5b. Antennae of Ch. aemula. 6a. Elytral apex of Ch. bicolor. 6b. Antennae of Ch. bicolor. 7. Elytral apex of Ch. laevicollis. 8a. Elytral apex of Ch. perplexa. 8b. Antennae of Ch. perplexa.