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On the identities of Neotropical Stegana species (Diptera, Drosophilidae). I. Redescription of Stegana magnifica Hendel, 1913 and Stegana fumipennis (Enderlein, 1922)


Vilela, Carlos R; Bächli, Gerhard (2020). On the identities of Neotropical Stegana species (Diptera, Drosophilidae). I. Redescription of Stegana magnifica Hendel, 1913 and Stegana fumipennis (Enderlein, 1922). Revista Brasileira de Entomologia, 64(3)::e20200024.

Abstract

Two conspicuous Steganinae species, Stegana (Steganina) magnifica Hendel, 1913 from Amazonian Peru and Stegana (Ceratostylus) fumipennis (Enderlein, 1922) from southern Brazil, are redescribed based on holotypes, and their identities are clarified. Both species are exclusive to the Neotropical Region and the first, with a body length of about 5.5 mm, is the largest species of Stegana described so far in this region, while the latter displays a peculiar antenna bearing an unusual, forward-projected, comma-shaped flagellomere 1. The photomicrographs of the habitus and terminalia of each specimen are also provided.

Abstract

Two conspicuous Steganinae species, Stegana (Steganina) magnifica Hendel, 1913 from Amazonian Peru and Stegana (Ceratostylus) fumipennis (Enderlein, 1922) from southern Brazil, are redescribed based on holotypes, and their identities are clarified. Both species are exclusive to the Neotropical Region and the first, with a body length of about 5.5 mm, is the largest species of Stegana described so far in this region, while the latter displays a peculiar antenna bearing an unusual, forward-projected, comma-shaped flagellomere 1. The photomicrographs of the habitus and terminalia of each specimen are also provided.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Scopus Subject Areas:Life Sciences > Insect Science
Language:English
Date:1 January 2020
Deposited On:09 Feb 2021 14:19
Last Modified:10 Feb 2021 21:00
Publisher:Sociedade Brasileira De Entomologia
ISSN:0085-5626
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1590/1806-9665-rbent-2020-0024

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