Enderleiniella wheeleri, 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 wheeleri sp. nov. Figs 64-68

Diagnosis.

Small Oscinellinae with a shiny frontal triangle and thorax. Mouthparts geniculate. Scutellum trapezoidal with very small apical tubercles bristles. Male postabdomen small with a triangular surstylus.

Description.

Total length 1.9-2.0 mm. Overall colour black. Head. Frontal triangle black, pruinose, 0.7 times length of frons; ocellar tubercle black, microtomentose; frons brown, yellow antero-medially, microtomentose; cephalic setae dark, six or seven fronto-orbital setae weak-developed, interfrontal setulae on margin of frontal triangle, six or seven ocellar setulae small, posterior setae proclinate; gena white, microtomentose, 0.07-0.08 times eye height; eye hairy; face yellow; scape, pedicel, first flagellomere brown to black, first flagellomere subquadrate, arista black, thin at base, pubescence sparse; palpus yellow, clypeus and proboscis black in males. Scutum. Black, shiny, acrostichal and dorsocentral setae in three faint punctuate rows, notopleural bristle one anterior and two posterior relatively thick; outer postalar setae strong, black; dorsocentral setae strong, scutum 1.2 times longer than wide; scutellum black, trapezoidal, 1.6 times wider than long, microtomentose, smooth; apical scutellar setae strong, on very small tubercles on dorsal margin of scutellum, lateral scutellar setae as large, twice as long as other dorsal setae. Legs. Yellow, mid and hind femur and tibia dark distally; femoral organ a line of three sensillae, tibial organ linear, brown, paler than leg, occupying middle third of hind tibia. Wing. Hyaline; veins brown; ratio of costal sectors C1: C2: C3: C4 - 1: 1.7: 1.2: 0.6; haltere white. Abdomen. Paler than thorax, sparsely microtomentose; abdominal syntergites 1+2 slightly longer than other tergites. Male postabdomen ( Figs 66 , 67 ). Epandrium higher than long in lateral view, wider than high in posterior view, with many setae; surstylus 0.5 height of epandrium, triangular, with a slight posterior curve, surstylus with one anterior seta near base and short setae elsewhere; cercus narrow with long ventral projection, cercus with sparse setae, one seta longer than others; distiphallus weakly sclerotised, straight, blunt-ended.

Female unknown.

Type material.

Holotype ♂: COSTA RICA: Prov. Cartago, Turrialba, P.N. Barbilla, 2km S. de Est. por la Quebrada, 200-300m, 25.ix.2000, E. Rojas, Red Barrido, L.N. 217500 596893 #58442 (INBio; INBIO0003466073). Paratype: same as holotype (1♂, INBio; INBIO0003466202).

Etymology.

This species is named in honour of Terry Wheeler, in recognition of his contributions to our knowledge of New World Chloropidae .

Figures

Figures 64 - 68. Enderleiniella wheeleri. 64 Lateral habitus 65 dorsal habitus 66 male genitalia (lateral) 67 male genitalia (posterior) 68 geographic distribution.