Resumo

PALACIOS-VARGAS, José G.. First Mexican species of Pseudachorudina (Collembola: Neanuridae: Pseudachorutinae) from Mapimí Desert, State of Durango. Rev. Mex. Biodiv. [online]. 2020, vol.91, e913188.  Epub 22-Dez-2020. ISSN 2007-8706.  https://doi.org/10.22201/ib.20078706e.2020.91.3188.

Pseudachorudina navarretei sp. nov. from Mapimí Desert, Durango, México, is described. It is similar to the American species P. texensis and P. ignotusChristiansen and Bellinger, 1980, all of them with 1 dorsal strong capitated tenent hair on tibiotarsi. It differs in the shape of the maxillary lamellae, one with 4 sharp big teeth and one semispherical with 5 stocky teeth while P. texensis has both lamellae toothed and similar; P. ignotus has only 1 serrate lamella and the maxillary capitulum is elongated. The new species has 5 long dental setae; P. texensis has 4 short and P. ignotus has 6 of different sizes.

Palavras-chave : Chaetotaxy; Arid soil; Taxonomy; Pitfall traps.

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