Definição: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definição: Gravel is an environmental material which is composed of pieces of rock that are at least two millimeters (2mm) in its largest dimension and no more than 75 millimeters.
Ocorrências conhecidas, espécimes coletados e observações de Helophorus (Rhopalohelophorus) aethiops Balfour-Browne & J. 1954. Ver esta espécie no GBIF