The F-0 exuvia of Protoneura paucinervis Selys, 1886 is described, illustrated, and diagnosed by comparison with the hitherto known Protoneura Selys in Sagra, 1857 larvae. The larvae of P. paucinervis can be distinguished from its congeners by the following combination of characters: palpal lobe squared bearing three strong teeth, 5 palpal setae, and nodus of lateral gills at 0.77 of its length.
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http://dx.doi.org/10.11646/zootaxa.5437.2.7 | DOI Listing |
Zootaxa
April 2024
Instituto Nacional de Pesquisas da Amazônia; Coordenação de Biodiversidade; Av. André Araújo; 2.936; 69067-375 Manaus; Amazonas; Brazil.
The F-0 exuvia of Protoneura paucinervis Selys, 1886 is described, illustrated, and diagnosed by comparison with the hitherto known Protoneura Selys in Sagra, 1857 larvae. The larvae of P. paucinervis can be distinguished from its congeners by the following combination of characters: palpal lobe squared bearing three strong teeth, 5 palpal setae, and nodus of lateral gills at 0.
View Article and Find Full Text PDFZootaxa
December 2020
Laborátorio de Organismos Aquáticos, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz (UESC), Ilhéus, BA, Brasil.
The genus Leptagrion Selys, 1876 comprises 17 described species. Of these species, only eight have their immature stage described. In this work, we describe the last instar larva of Leptagrion dispar Selys, 1876.
View Article and Find Full Text PDFThe ultimate stadium larva of Neuraeschna claviforcipata is described and illustrated based on an F-0 exuvia of a reared female from northern Amazonas State, Brazil. This larva differs from the other two known larvae of the genus in lacking the spiny lateral prominence of the mandible, and in having only a short spine each side of the median cleft of the prementum; labium is shorter and cercus longer. Noteworthy is the presence of a hair brush on each occipital lobe behind mesal angle of compound eye.
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