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Issue: Vol. 5005 No. 1: 23 Jul. 2021
Type: Article
Published: 2021-07-23
DOI: 10.11646/zootaxa.5005.1.2
Page range: 21-40
Abstract views: 380
PDF downloaded: 28

New species of Neotropical Plecia Wiedemann (Diptera: Bibionidae) and delineation of the americana-, nigra-, and xyele- species-groups

Pacific Northwest Diptera Research Lab, 1460 SW Allen St., Corvallis, OR, 97333 USA.
taxonomy systematics Diptera

Abstract

Four new Neotropical species of Plecia Wiedemann (Diptera: Bibionidae) are described: P. abruptavena sp. n. (Colombia), P. elsalvadorensis sp. n. (El Salvador), P. nessiae sp. n. (Brazil), and P. schusteri sp. n. (Guatemala). Additionally, P. marginata Edwards is redescribed and the male described for the first time. A discussion of Neotropical species-groups is given and three species-groups based on male terminalia are outlined to include the new taxa: the americana-group (7 species), nigra-group (13 species), and xyele-group (2 species).

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