Stevenia gilasiani sp. nov. (Diptera: Rhinophoridae): the first woodlouse fly with male sexual-patches
Author
Gisondi, Silvia
Author
Lenzi, Alice
Author
Ziegler, Joachim
Author
Giulio, Andrea Di
Author
Cerretti, Pierfilippo
text
Zootaxa
2019
2019-03-27
4571
3
423
431
journal article
27827
10.11646/zootaxa.4571.3.10
b70119b4-6b49-4e87-a1b4-ff33339ed699
1175-5326
2612657
3D722F87-0901-438A-AFCC-7872874F7587
Stevenia
Robineau-Desvoidy, 1830
Stevenia
Robineau-Desvoidy, 1830
: 220
[original description].
Type
species:
Stevenia tomentosa
Robineau-Desvoidy, 1830
: 220
[=
Tachina atramentaria
Meigen, 1824
: 291
], by designation of Desmarest
in
d’Orbigny (1848: 32) [see
Evenhuis & Thompson 1990
: 238
].
References.
Cerretti & Pape (2007)
[key to Palaearctic species] and literature therein.
Diagnosis.
Facial profile not receding. Parafacial with a row of strong setae in lower half. Lunule bare. Antenna longer than height of gena. Gena shorter than height of compound eye. Postpronotum with two setae (
S. gilasiani
sp. nov.
) or three setae arranged in a triangle or nearly so. Anterior katepisternal seta robust and more than 2/3 length of posterodorsal katepisternal seta. Prealar seta short, distinctly shorter and weaker than notopleural setae. Mid tibia with at least 2 anterodorsal setae. Distal section of CuA+CuP about 3/4 of total length of CuA+CuP. Vein M meeting vein R
4+5
so that cell r
4+5
is distinctly petiolate. Male: median process of ventral sclerotization of distiphallus not interrupted, running from the ventral plate to the tip of the distiphallus; distiphallus with a short,
membranous flag-like projection distal to extension of dorsal sclerite; acrophallus distinctly tripartite (i.e., with three openings).
Apomorphies.
Wing cell r
4+5
is distinctly petiolate (homoplastic).