Cotasteromimina

Germann, Christoph, 2025, Setizembrus Germann, a new genus of the subtribe Cotasteromimina with five new species from Malaysia (Coleoptera, Curculionidae: Molytinae, Pissodini), Zootaxa 5659 (2), pp. 283-295 : 284-285

publication ID

https://doi.org/10.11646/zootaxa.5659.2.9

publication LSID

lsid:zoobank.org:pub:75BAC333-B62E-4254-800E-A8F04C4A66D1

persistent identifier

https://treatment.plazi.org/id/5A3ADE4A-2E68-3A18-62DD-F9B6E1E345B6

treatment provided by

Plazi

scientific name

Cotasteromimina
status

 

Key to genera within Cotasteromimina

1. Elytra oval, anterolateral angle of elytron (humeral callus) rounded, not present.................................... 2

- Elytra cylindrical, anterolateral angle of elytron (humeral callus) present......................................... 3

2. Femoral teeth absent... Cotasteromimus View in CoL ( C. morimotoi Chûjô & Voss, 1960 View in CoL , C. squamiger Morimoto & Miyakawa, 1985 , C. philippinensis Legalov, 2020 ).

- Femoral teeth present................................................... Cotasteromorphus chujoi Kojima, 2005

3. Frons vertical, rostrum straight, procoxae separated by their diameter..................................................... Seticotasteromimus ( S. jarawa Germann, 2013 , S. brunomanseri Germann 2021 , S. crassirostris Germann, 2022 ).

- Frons horizontal, rostrum curved, procoxae contiguous or maximally separated by half of a coxal diameter.............. 4

4. Anterior margin of prothoracic venter with rectangular notch and a fringe of characteristic flattened bristles..................................................................................... Obhylius arboricola Germann 2021

- Anterior margin of prothoracic venter simply rounded, without any fringe........................................ 5

5. Body without raised clubbed dark scales, only adjacent and bowed light brown scales, antennae with second antennomere of funicle not partly hidden in first.................................. Zembrus perseus Germann & Grebennikov, 2020

- Body with raised clubbed dark scales, antennae with second antennomere of funicle partly hidden in first............... 6

6. Raised scales on elytra grouped in tufts on uneven elevated interspaces, these discontinuously divided into bulges. Elytra dorso-ventrally flattened with elongate-rounded elytral declivity in lateral view. Ventrites 3–4 3 times wider than long.............................................................................. Pseudohylobius View in CoL setosus Morimoto, 1962

- Raised scales on elytra in rows on uneven elevated interspaces, these continuous. Elytra cylindrical with steep elytral declivity in lateral view. Ventrites 3–4 5 times wider than long................................ Setizembrus Germann gen. nov.

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