Melanogaster Rondani 1857
Creators: name: Prokhorov, A. V.
name: Popov, G. V.
name: Shparyk, V. Yu.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Fungi
Basidiomycota
Agaricomycetes
Boletales
Paxillaceae
Melanogaster

description: Key to males of European Melanogaster
1 Eyes dichoptic. ........................................................................... Melanogaster nigricans (Stackelberg, 1922)
— Eyes holoptic. ...................................................................................................................................................... 2
2 Wing base bright yellow; body dark olive green. ............ Melanogaster jaroslavensis (Stackelberg, 1922)
— Wing base darkened, blackish or brownish; body black. .............................................................................. 3
3 Tergite 8 with short pile (as long as diameter of hind ocellus); surstylus less than twice as long as wide. .................................................................................................................. Melanogaster nuda (Macquart, 1829)
— Tergite 8 with long pile (noticeably longer than diameter of hind ocellus); surstylus 2–3 times longer than wide..............................................................................................................................................................4
4 Scutum with pale and black pile, pale pile often more abundant. ............................................................... 5
— Scutum with black pile. ...................................................................................................................................... 6
5 Mesonotum covered with long and short pale and black pile mixed; face broad: ratio of the maximum head width to the face width at the level right under the antennal base 1.91–2.08; surstylus with apex not curved. ............................................................................................................................. M. hirtella Loew, 1843
— Mesonotum covered with short pale (yellowish) pile almost equally short; face narrow: ratio of the maximum head width to the face width at the level right under the antennal base 2.27–2.37; surstylus with curved apex. ....................................................................................... M. curvistylus Vujić & Stuke, 1998
6 Facial tubercle distinctly elongated and pointed (fig. 15); face narrower: ratio of the maximum head width to the face width at the level just below the antennal base 2.2 (fig. 19); scutum, especially notopleuron and lateral side of scutum posterior to transverse suture often with a slight bronze or copper tint. ................................................................................................................................ M. aerosa (Loew, 1843)
— Facial tubercle weakly developed and flattened (fig. 13); face broader: ratio of the maximum head width to the face width at the level just below the antennal base 1.95–2.0 (fig. 17); scutum mostly shining black. ................................................................................................................. M. parumplicata (Loew, 1840)
description: Published as part of Prokhorov, A. V., Popov, G. V. & Shparyk, V. Yu., 2020, New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv, pp. 17-30 in Zoodiversity 54 (1) on pages 22-23, DOI: 10.15407/zoo2020.01.017, http://zenodo.org/record/6377542