Abstract
Based on small samples (exemplars) analyzed with morphological methods, including detailed descriptions and illustrations, this study treats primarily the Zuphium genus-group in the Western Hemisphere, which comprises two precinctive genera: Coarazuphium Gnaspini, Vanin & Godoy, 1998 (type species Parazuphium tessai Godoy & Vanin, 1990) and Zuphioides gen. n. (type species Zuphium mexicanum Chaudoir, 1863). The genus Coarazuphium includes six troglobitic species from Brazilian caves, and one probably hypogaeic (troglophilic) species from the mountains of Oaxaca, in Mexico (Coarazuphium whiteheadi, sp. n., type locality, ridge top, in western Oaxaca, Mexico, at 2164 m, 35 km north of San Pedro Juchatengo, 16.462N, 97.010W). The epigaeic genus Zuphioides includes 23 species, with its geographical range extended from Neotropical temperate Argentina in southern South America, northward through the tropics to north temperate southeastern Canada, in the Nearctic Region. Keys are provided to the species of Coarazuphium and to thegenera of Western Hemisphere Zuphiini.
Highlights
The taxonomic investigation reported began with discovery of an undescribed Mexican species of Coarazuphium Gnaspini, Vanin & Godoy
We broadened our study by placing Coarazuphium and Zuphioides in the context of a short review, based on the literature, of the Western Hemisphere zuphiine genera
We took into account the classification of the Zuphiini
Summary
The taxonomic investigation reported began with discovery of an undescribed Mexican species of Coarazuphium Gnaspini, Vanin & Godoy. Considering that Coarazuphium was known previously only from caves in eastern Brazil, its known range extension into the northern part of Middle America (Map 1) was reason to examine it closely, with the expectation of broadening our concept of the genus, and perhaps even of its tribe, the Zuphiini. The six known Brazilian species had been clearly described and well illustrated, a more detailed comparison of Coarazuphium with other zuphiines seemed desirable. We broadened our study by placing Coarazuphium and Zuphioides (see below) in the context of a short review, based on the literature, of the Western Hemisphere zuphiine genera. This study is based on examination of 94 specimens of Zuphiina, from the Western Hemisphere Nearctic and Neotropical Regions, and Eastern Hemisphere Palaearctic, Afrotropical, and Oriental Regions.
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