Abstract
The representatives of the Afrotropical hover fly genus Senaspis Macquart (Diptera) are revised. In total, ten species are recognized. Senaspis apophysata (Bezzi) is herewith placed as junior synonym of S. flaviceps Macquart, S. livida (Bezzi) is herewith placed as junior synonym of S. dentipes (Macquart) and S. griseifacies (Bezzi) is herewith placed as junior synonym of S. haemorrhoa (Gerstaecker). All species are redescribed and an identification key is provided. DNA barcoding analysis (7 species, 64 barcodes) showed that the technique can be used to unambiguously identify the species. The relationships among the different Senaspis species are discussed based on morphological and DNA data.
Highlights
1828 (Lyneborg and Barkemeyer 2005) and Phytomia Guérin-Méneville, 1834 (De Meyer et al 2020)
This paper presents a taxonomic revision for the Afrotropical representatives of the genus Senaspis Macquart, 1850
It is an exclusively Afrotropical genus, the types of some species were labelled as originating from the Neotropical (S. nigripennis (Macquart, 1855), Colombia) or Oriental (S. dentipes (Macquart, 1842), Java) Regions
Summary
1828 (Lyneborg and Barkemeyer 2005) and Phytomia Guérin-Méneville, 1834 (De Meyer et al 2020). Senaspis was described by Macquart in 1850 with type species Senaspis flaviceps Macquart, 1850 It is an exclusively Afrotropical genus, the types of some species were labelled as originating from the Neotropical (S. nigripennis (Macquart, 1855), Colombia) or Oriental (S. dentipes (Macquart, 1842), Java) Regions (see below under comments under respective species for details). Hull (1949) proposed the name Triatylosus Hull, 1949 as subgenus for a single species with additional facial tubercles on either side of the medial one: Xylota dibaphus Walker, 1849 This subgeneric division was not followed by Smith and Vockeroth (1980) in the Catalogue of Afrotropical Diptera. The latter listed 14 Senaspis species, but they recorded Eristalis cupreus Macquart, 1842 both under Senaspis and under Eristalinus Rondani, 1845. The main objectives of this manuscript are, to provide a taxonomic revision of all representatives of the genus Senaspis, to present an identification key and to discuss the interrelationships based on morphological and DNA data
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