Enderleiniella caerulea, 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 caerulea sp. nov. Figs 5-9

Diagnosis.

Medium Oscinellinae with a shiny frontal triangle and thorax. Hairs on scutum placed in well-defined rows between punctate dorsocentral rows (grooves). Scutellum small and trapezoidal with small tubercles. Male postabdomen large and bulbous.

Description.

Total length 2.3-2.7 mm. Overall colour black. Head. Frontal triangle black, shiny, microtomentose, 0.6-0.7 times length of frons; ocellar tubercle black, shiny, microtomentose; frons brown to black, paler medially; cephalic setae dark, 10-12 fronto-orbital setae well-developed, interfrontal setulae inside margin of frontal triangle and fronto-orbital setulae sparse, eight or nine post-ocellar setulae small; gena yellow, microtomentose, 0.06-0.08 times eye height; face yellow; scape and pedicel yellow, first flagellomere yellow basally and ventrally, black dorsally and distally, first flagellomere round, arista brown, thin at base, pubescence sparse and short; palpus yellow in male, brown in female, proboscis and clypeus brown. Scutum. Black, shiny, acrostichal and dorsocentral setae in three punctuate rows, scutum longer than wide; scutellum black, slightly paler than thorax, trapezoidal, 1.4-1.5 times wider than long, microtomentose; apical scutellar setae strong, on small tubercles on dorsal margin of scutellum, lateral scutellar setae much weaker than apical setae but longer and darker than surrounding setae. Legs. Yellow, hind femur basally and tibia brown; femoral organ present as a very small patch of three sensillae, tibial organ oval, dark, occupying middle half of hind tibia. Wing hyaline, brown tint dorsally from M1; veins brown; ratio of costal sectors C1: C2: C3: C4 - 1 1.7: 1.25: 0.5; haltere yellow. Abdomen. Paler than thorax, sparsely microtomentose; syntergites 1+2 membranous under scutellum, marginally longer than other tergites. Male postabdomen ( Figs 7 , 8 ). Epandrium large, bulbous, higher than long in lateral view, much wider than high in posterior view, flattened dorsally, with several setae; surstylus 0.6 times as high as epandrium, triangular with a slight anterior curve along length, with broadly rounded apex, surstylus with three or four anterior setae near base and short setae elsewhere; cercus elongate, straight with a narrow ventral projection, extending postero-ventrally, with sparse setae, three setae at tip of cercus longer than others; distiphallus weakly sclerotised.

Type material.

Holotype ♂: BELIZE: Toledo District, Blue Creek (16°12'N, 89°3'W), 23.i.1982, A.T. Finamore, sweeping (LEM). Paratypes: same as holotype except 17.i.1982 (1♀, LEM); ECUADOR: Guare Los Rios, vii.1955, Levi-Castillo (1♂, USNM; USNMENT01476001); Manabi Camarones 9.viii.1955, Levi-Castillo (1♂, USNM; USNMENT01476000).

Etymology.

The species name is from the Latin caeruleus (sky-blue), referring to the type locality.

Figures

Figures 5 - 9. Enderleiniella caerulea. 5 Lateral habitus 6 dorsal habitus 7 male genitalia (lateral) 8 male genitalia (posterior) 9 geographic distribution. Abbreviations: cer - cercus; epd - epandrium; hyp - hypandrium; phal - phallus; phap - phallapodeme; pog - postgonite.