Oideterus Thomson 1857
Creators: name: Vlasak, Josef
name: Santos-Silva, Antonio
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Cerambycidae
Oideterus

description: Key to males of Oideterus
See photographs on Bezark (2022) and Pirkl (2022).
Unknown males: O. ecuadorensis sp. nov.; O. farallonensis Ascuntar-Osnas, 2018; O. inaequalis Galileo & SantosSilva, 2015; O. latithorax Botero, Galileo & Santos-Silva, 2019; O. lobicollis (Bates, 1875); O. magnificus (Galileo, 1987); and O. pallidus (Galileo, 1987).
1. Elytral apex at most reaching apex of ventrite 1. Costa Rica, Ecuador ................... O. crenatocerus (Galileo, 1987)
- Elytral apex surpassing apex of ventrite 1.................................................................. 2
2(1). Outer apex of antennomere IV triangularly projected......................................................... 3
- Outer apex of antennomere IV distinctly pectinate........................................................... 5
3(2). Elytron gradually narrowed from base to apex. Ecuador ....................................... O. leoninus sp. nov.
- Elytron not gradually narrowed from middle................................................................ 4
4(3). Distance between apices of elytra about half of maximum elytral width. Colombia .................................................................................................. O. niger Botero, Galileo & Santos-Silva, 2019
- Distance between apices of elytra almost twice maximum elytral width. Colombia ................................................................................................. O. birai Galileo, Komiya & Santos-Silva, 2018
5(2). Distance between apices of elytra distinctly wider than maximum elytral width (about 1.5 times wider)................. 6
- Distance between apices of elytra distinctly shorter than maximum elytral width................................... 8
6(5). Sutural and outer margins of elytra subparallel-sided from slightly after middle to near apex. Colombia ............................................................................................... O. andrarius (Galileo, 1997)
- Sutural and outer margins of elytra subparallel-sided only after posterior third or quarter............................. 7
7(6). Elytron twice longer than maximum width of elytron. Colombia, Ecuador ................ O. dichotomus (Galileo, 1987)
- Elytron 2.5 times longer than maximum width of elytron. Colombia ...................................................................................................... O. tibiaprocerus Botero, Galileo & Santos-Silva, 2019
8(5). Sutural and outer margins of elytra subparallel-sided from slightly after middle to near apex. Ecuador .............................................................................................. O. elegans (Waterhouse, 1880)
- Sutural and outer margins of elytra not subparallel-sided toward apex. Colombia, Ecuador ...... O. buquetii Thomson, 1857
description: Published as part of Vlasak, Josef & Santos-Silva, Antonio, 2022, Descriptions, notes, and a new record in Oideterus Thomson (Coleoptera, Cerambycidae, Prioninae, Anacolini), pp. 535-547 in Zootaxa 5175 (5) on pages 545-546, DOI: 10.11646/zootaxa.5175.5.3, http://zenodo.org/record/7009529