Enderleiniella punctata, Mlynarek, Julia J., 2019

Mlynarek, Julia J., 2019, Revision of the New World genus Enderleiniella Becker, 1912 (Diptera, Chloropidae), ZooKeys 884, pp. 107-134 : 107

Enderleiniella punctata sp. nov. Figs 47-52

Diagnosis.

Small Oscinellinae with a shiny frontal triangle and thorax. Scutellum trapezoidal with very small apical tubercles bristles. Tergite 3 with medial setulae arising from large distinct punctate sockets. Male postabdomen small with parallel sided surstylus.

Description.

Total length 2.1 mm. Overall colour black. Head. Frontal triangle black, pollinose, shiny posteriorly, 0.6 times length of frons; ocellar tubercle black, microtomentose; occiput black, shiny; frons brown, yellow antero-medially, heavily microtomentose; cephalic setae dark, eight fronto-orbital setae weak-developed, interfrontal setulae on margin of frontal triangle, six post-ocellar setulae small; gena white, margin of gena black, microtomentose, 0.1 times eye height; eye hairy; face yellow; scape pedicel yellow, first flagellomere yellow, black anterodorsally, large, quadrate, arista yellow basally darkening distally, thin at base, pubescence sparse and short; palpus and clypeus yellow, proboscis brown, geniculate. Scutum. Black, shiny, acrostichal and dorsocentral setae in 3 faint punctuate rows, notopleural bristle one anterior and two posterior relatively thick; outer postalar setae strong, black; dorsocentral setae strong, scutum 1.1 times longer than wide; scutellum black, trapezoidal, 1.7 times wider than long, microtomentose, smooth; apical scutellar setae strong, on small tubercles on upper margin of scutellum, lateral scutellar setae as large, twice as long as other dorsal setae. Legs. Yellow, all tarsi, mid and hind femur and tibia dark distally; femoral organ present as a small patch of three sensillae, tibial organ linear, brown, paler than leg, occupying middle quarter of hind tibia. Wing. Hyaline; veins brown; ratio of costal sectors C1: C2: C3: C4 - 1: 1.2: 1.4: 0.6; haltere white. Abdomen. Paler than thorax, sparsely microtomentose; Abdominal syntergites 1+2 elongate, tergite 3 with medial setulae arising from large distinct punctate sockets ( Fig. 49 ). Male postabdomen ( Figs 49-51 ). Epandrium small, higher than long in lateral view, wider than high in posterior view, with many setae; surstylus 0.7 height of epandrium, straight, parallel-sided, surstylus with one anterior setae near base and short setae elsewhere; cercus elongate with narrow, long ventral projection, cercus with sparse setae, one seta longer than others; hypandrium open; distiphallus weakly sclerotised, straight, blunt ended.

Type material.

Holotype ♂: BOLIVIA: Santa Cruz: Andres lbanez, Potrerillo (17°40'S, 63°27'W), 438m, yellow pan trap B-17, 13-16.v.1997, L. Masner (CNC).

Etymology.

The species name is from the Latin punctatus (punctured), referring to the structure of the third abdominal tergite.

Figures

Figures 47 - 52. Enderleiniella punctata. 47 Lateral habitus 48 dorsal habitus 49 male abdomen (dorsal) 50 male genitalia (lateral) 51 male genitalia (posterior) 52 geographic distribution. Abbreviations: Epd - epandrium; T 1 + 2 - tergites 1 + 2.