Species of spider
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Troglohyphantes nigraerosae is a species of cave spider of the family Linyphiidae. It is endemic to Italy.
Morphology.
"Troglohyphantes nigraerosae" is a small sized cave spider with a body length of 3 mm (Prosoma length: 1.50 mm, prosoma width: 1.15 mm). From a genetic standpoint, "T. nigrerosae" represent the sister group of "T. vignai". Males of the latter species can be distinguished from "T. nigraerosae" by the shape of the "lamella significativa" of the male palp (see ).
Distribution.
Southern Graian Alps (NW Italy). The species occurs preferentially in caves.
References.
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