Abstract
South America is one of the least known areas in terms of its fauna of aquatic mites. In this work we report the presence of two new species of the water mite genus Rhyncholimnochares in the Amazonian region of Ecuador, giving the morphological description and the DNA barcode when possible.
Highlights
One of the areas still under-sampled concerning the water mite fauna (Acari, Parasitengona, Hydrachnidia) is South America
We add two new species found in the Amazonian part of Ecuador, providing morphological and – as far as possible – molecular characterization (DNA barcode)
Water mites were sampled by the senior author (AGV) with a 250 μm mesh size triangular net and some were kept in Koenike fluids and ethyl alcohol 100% as indicated on each species
Summary
One of the areas still under-sampled concerning the water mite fauna (Acari, Parasitengona, Hydrachnidia) is South America. Can be distinguished from all other previously described species by the co-occurrence of, among other, the following set of characters: a) an expanded and rounded terminal tail of the ocular plate; b) comparable length of rostrum and basal part of gnathosoma; c) almost rectilinear posterior border of coxa II; d) relatively low number of genital acetabula and e) arborescent setae at the end of P-II.
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