期刊
ZOOTAXA
卷 5162, 期 3, 页码 277-289出版社
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.5162.3.5
关键词
Broad-shouldered water striders; Gerromorpha; Neotropics; taxonomy
类别
资金
- Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro [E-26/202.437/2019, E-26/201.362/2021, E-26/203.250/2021]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [301942/20196]
- project La biodiversidad de Boyaca: complementacion y sintesis a traves de gradientes altitudinales e implicaciones de su incorporacion en proyectos de apropiacion social de conocimiento y de efectos de cambio climatico, suscrito en el Grupo de Investigac [BPIN 2020000100003]
A new species, Paravelia ameliae, from the Amazonian region of Colombia is described in this study. It can be distinguished from related species by its distinct external morphological characteristics. Supplementary descriptions of other species are also provided.
The new species Paravelia ameliae (Heteroptera: Veliidae) is described based on macropterous specimens from the Department of Putumayo, in the Amazonian region of Colombia. The new species can be distinguished from all congeners mainly by the bicolored pronotum (dark-brown on the anterior two-thirds and light-brown posteriorly); the absence of distinct pruinosity or silvery patches on the anterior lobe of the pronotum; the basal macula of the forewing small and roughly ovate; the grasping comb of the male fore tibia occupying more than half of its length; the male hind femur with a row of 15 spines on the basal two-thirds; and the male paramere notched basally on its dorsal surface. Furthermore, this species displays sexual dimorphism in body shape and in hind tibial length, with males having a slightly constricted mid-abdominal region and hind tibia distinctly longer than in females. Also, in order to describe external morphological characteristics not mentioned in previous studies, supplemental descriptions are provided for P. albotrimaculata (Kirkaldy, 1899), P. loutoni Polhemus, 2014, P. nieseri Moreira & Barbosa, 2012, and P. rotundanotata (Hungerford, 1930). Illustrations and a distribution map of all species treated here are presented.
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