Evidence of phenotypic plasticity of larvae of Simulium subpallidum Lutz in different streams from the Brazilian Cerrado

AUTOR(ES)

Figueiró, Ronaldo, Calvet, Anderson, Gil-Azevedo, Leonardo Henrique, Docile, Tatiana Nascimento, Monteiro, Ricardo Ferreira, Maia-Herzog, Marilza

FONTE

Rev. Bras. entomol.

DATA DE PUBLICAÇÃO

2015-03

RESUMO

In this paper, the overall morphological differences between populations of Simulium subpallidumLutz, 1909 are studied. Several studies found in the literature point to a relationship between the labral fans and body size and the habitat where blackfly larvae occur. However, other characteristics potentially related to the microhabitat, such as abdominal hook circlet morphology, which is used for larvae to fix themselves in the substratum, and thoracic prolegs morphology, which help larvae move in the substratum, were analyzed in three different populations of S. subpallidum, one of which occupied a faster flow. The results suggest phenotypic plasticity in S. subpallidum and a tendency toward larger structures in faster flows.

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