Enderleiniella flavida
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Ordo: Diptera
Familia: Chloropidae
Genus: Enderleiniella
Name
Enderleiniella flavida Mlynarek, 2019 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnosis
Medium Oscinellinae with a shiny frontal triangle and thorax. occiput with single strong bristle behind eye; one anterior and one posterior notopleural bristle Scutellum pale yellow, contrasting in colour with the dark scutum.
Description
Total length 2.2–2.5 mm. Overall colour black. Head. Frontal triangle black, shiny, 0.6–0.75 times length of frons; ocellar tubercle black, shiny; frons brown to black, paler antero-medially; cephalic setae pale, 7–10 fronto-orbital setae well-developed, interfrontal setulae on margin of frontal triangle and fronto-orbital setulae sparse and small, 4–6 post-ocellar setulae small; gena yellow, microtomentose, 0.08–0.1 times eye height; eye bare; occiput with a strong and stout seta projecting from a short tubercle just dorsal to posterior midpoint of eye; face yellow; scape, pedicel and first flagellomere yellow, first flagellomere round, arista brown, thin at base, pubescence sparse and short; palpus, clypeus and proboscis yellow; proboscis geniculate. Scutum. Black, shiny, acrostichal and dorsocentral setae in three punctuate rows, notopleural bristle one anterior and one posterior relatively thick and long; outer postalar setae very short, gold, cryptic and fine; dorsocentral setae weak, scutum as long as wide; scutellum yellow, trapezoidal, 1.4–1.6 times wider than long, microtomentose; apical scutellar setae strong, on small tubercles on upper margin of scutellum, lateral scutellar setae as strong as apical setae (Fig. 3). Legs. Yellow; femoral organ small row of two or three tubercles, tibial organ oval, pale, occupying middle third of hind tibia. Wing. Hyaline; veins brown; ratio of costal sectors C1: C2: C3: C4 – 1: 2.1: 1.4: 0.6; haltere yellow. Abdomen. paler than thorax, sparsely microtomentose; syntergites 1+2 membranous under scutellum, marginally longer than other tergites. Male postabdomen (Figs 17, 18). Epandrium small, higher than long in lateral view, wider than high in posterior view, with several setae; surstylus 0.7 times as high as epandrium, with a slight curve at the base, parallel-sided, apex rounded, surstylus with short setae; cercus broad with three narrow ventral projection, extending ventrally laterally, cercus separated by very narrow anal membrane posteriorly, cercus with sparse setae, one setae longer than others; distiphallus weakly sclerotised.
Type material
Holotype ♂: DOMINICA: S. Chiltern Est, 20.ii.1965, W.W. Wirth (USNM; USNMENT01476004). Paratypes: same data as holotype (2♂, 4♀, USNM; USNMENT1476005-USNMENT01476009); DOMINICA: W.I. 2mi E. Ponte Casse, 5.x.1966, R.J. Gagne. Bredin-Archibol-SmithsonianBio.Surv.Dominica (1♀, USNM; USNMENT01476010); DOMINICA: W.I. d’LeauGommier, 16.iii.1965, W.W. Wirth (1♂, USNM; USNMENT01476011) DOMINICA: St. David: Emerald Pool, rainforest, 20.xi.1994, L. Masner (2♀, LEM).
Etymology
The species name is from the Latin flavida (yellow), referring to the colour of the scutellum.
Remarks
It is the first time that a strong and stout seta projecting from a short tubercle just dorsal to posterior midpoint of eye on occiput has been described in the Chloropidae. It could be that this seta has the same evolutionary origin as those found on many other Chloropidae species that possess a long (but not stout) seta on the postgena.
Original Description
- Mlynarek, J; 2019: Revision of the New World genus Enderleiniella Becker, 1912 (Diptera, Chloropidae) ZooKeys, 884: 107-134. doi
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