
A new species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) from the Doce River Basin, Brazil
2023; Q15088586; Volume: 5352; Issue: 1 Linguagem: Inglês
10.11646/zootaxa.5352.1.6
ISSN1175-5334
AutoresGabriel Martins Pantoja, Ana Dária Leite Viana, Frederico Falcão Salles,
Tópico(s)Fish biology, ecology, and behavior
ResumoThe male imago of Campsurus mirim sp. nov., an integrant of the C. major species group, is described based on material from a lake at the Rio Doce basin, Southeastern Brazil. It can be distinguished from other species of the group by the following combination of characteristics: small to medium size (body 7.3 mm, forewings 6.1 mm); blackish pigments on dorsum of head widely and strongly marked in fresh material; abdominal color pattern with pale transverse dashes on terga III–VII; posterior margin of sternum IX triangular at middle; pedestals flat with inner margin broadly rounded and with both posterolateral corners (inner and outer) approximately of the same length, both acute; penes relatively wide and large, ventrally curved on apical ½ and with apex of main lobe slightly twisted.
Referência(s)