Clistoabdominalis mitarakensis Marques & Rafael 2019
Creators: name: Marques, Dayse W. A.
name: Rafael, José A.
name: Pollet, Marc
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Pipunculidae
Clistoabdominalis
Clistoabdominalis mitarakensis

description: Clistoabdominalis mitarakensis
Marques & Rafael, n. sp.
(Fig. 3)
urn:lsid:zoobank.org:act: 42AADBEE-04EC-418D-8445-B8AD2D2414CF
TYPE MATERIAL. — Holotype. Guyane, ♂, Mitaraka, MIT-DZ, drop zone, 02°14’01.8”N, 54°27’01.0”W, 306 m a.s.l., 24.II.2015 - 10. III.2015, LT, leg. Julien Touroult, sample code: MITARAKA/115, “ Holotype ♂, Clistoabdominalis mitarakensis Marques & Rafael ”, MNHN.
HOLOTYPE CONDITION. — Right wing detached, mounted on microslide. Terminalia placed in a microvial with glycerin. Both attached to pinned holotype specimen.
ETYMOLOGY. — The specific name refers to the type locality, Mitaraka, French Guiana.
GEOGRAPHICAL RECORDS. — French Guiana (Mitaraka).
DIAGNOSIS. — Antenna dark brown to black, postpedicel acute. Legs predominantly dark brown to black. Wing brown infuscate. Tergite 1 entirely gray pruinosity; tergites 2-5 velvety black basally, gray brown pruinosity more distinct posterolaterally. Syntergosternite 8 with small membranous area. Surstyli symmetrical, curved inwards apically. Phallus trifid, short ramified. Ejaculatory apodeme very large, almost 2 times as long as hypandrium.
Female unknown.
DESCRIPTION OF MALE HOLOTYPE
Body length
3.5 mm.
Head (Fig. 3A)
Eyes contiguous for a distance of sixteen facets. Frontal triangle and face brown pruinose. Postcranium dark, with dark brown pruinosity. Antenna (Fig. 3B) with scape black; pedicel dark brown to black, with four dorsal and two ventral bristles; postpedicel dark brown with acute apex.
Thorax
Postpronotal lobe brown. Scutum dark brown to black, with brown pruinosity. Notopleuron brown, with sixteen weak bris- tles. Scutellum dark brown to black, with brown pruinosity and inconspicuous bristles. Mesopleuron and mediotergite dark brown to black, with brown pruinosity.
Wing (Fig. 3C)
Length 4.2 mm, almost 3 times as long as wide. Membrane slightly brown infuscate. Third costal section 1.2 times as long as fourth costal section. Vein r-m near middle of cell dm. Vein dm-m somewhat straight. Halter brown.
Legs (Fig. 3A)
Predominantly dark brown to black, with femuro-tibial and tibio-tarsal articulation somewhat yellow, setae black. Pulvilli yellow.
Abdomen (Fig. 3D)
Tergite 1 entirely gray pruinose with six small black lateral setae; tergites 2-5 velvety black basally with gray brown pruinosity posterolaterally; syntergosternite 8 (Figs 3 D-F) almost ½ as long as tergite 5, with small membranous area (Fig. 3F).
Terminalia
Epandrium and surstyli brown (Fig. 3E). Surstylus (Fig. 3E) symmetrical, curved inwards apically; truncated in lateral view (Fig. 3G, H). Gonopods symmetrical (Fig. 3I). Phallic guide (Fig. 3I, J) simple, narrow. Phallus trifid, short ramified with ducts distinctly separated only in distal 1/3 and each duct with a small subapical projection (Fig. 3I, J). Ejaculatory apodeme very large, almost 2 times as long as hypandrium (Fig. 3I).
REMARKS
Clistoabdominalis Skevington is easily distinguishable from the other genera of Eudorylini by the following features (Skevington 2001; Skevington & Yeates 2001): tergite 1 with lateral fan of setae absent or minute; syntergostemite 8 swollen, partially to entirely fused; membranous area of syntergosternite 8 usually absent and if present, very small; hypandrium deflected left at nearly 90° to phallic guide; phallus trifid, with ducts distinctly separated only in distal 1/3 and ejaculatory apodeme large, with a swollen basal rosette. Clistoabdominalis mitarakensis Marques & Rafael, n. sp. does not fit all generic characters as the syntergosternite 8 is not swollen, but as it fits most of the Clistoabdominalis characters: (the size and shape of the hypandrium, phallus and ejaculatory apodeme), it is tentatively placed in Clistoabdominalis.
description: Published as part of Marques, Dayse W. A., Rafael, José A. & Pollet, Marc, 2019, First records of Pipunculidae (Diptera) from French Guiana, with the description of a new species, pp. 249-258 in Zoosystema 41 (13) on page 254, DOI: 10.5252/zoosystema2019v41a13, http://zenodo.org/record/3722458