Rhinoleucophenga sulina, Poppe & Schmitz & Grimaldi & Valente, 2014

Poppe, Jean Lucas, Schmitz, Hermes José, Grimaldi, David & Valente, Vera Lúcia Da Silva, 2014, High diversity of Drosophilidae (Insecta, Diptera) in the Pampas Biome of South America, with descriptions of new Rhinoleucophenga species, Zootaxa 3779 (2), pp. 215-245 : 228-230

publication ID	https://doi.org/ 10.11646/zootaxa.3779.2.6
publication LSID	lsid:zoobank.org:pub:A00E240C-6761-40D9-8A49-5BB504A4AD9D
DOI	https://doi.org/10.5281/zenodo.5060393
persistent identifier	https://treatment.plazi.org/id/03D187B4-C140-FFAA-FF48-F38C37DD43E7
treatment provided by	Felipe
scientific name	Rhinoleucophenga sulina
status	sp. nov.

Treatment

Rhinoleucophenga sulina View in CoL sp. nov.

Type series. Holotype: ♂ labelled “ Rhinoleucophenga sulina ; HOLOTYPE ♂; Brazil, Rio Grande do Sul, Bossoroca. 28°44’53”S 54°56’38”W, 23.xii.2011 col.: JL Poppe; banana bait”. Postabdomen of holotype dissected, stored in microvial with glycerin, stored on the same pin with the respective specimen. In FZB/RS GoogleMaps . Paratypes: 1♂ and 2♀ labelled “ Rhinoleucophenga sulina ; PARATYPE; Brazil, Rio Grande do Sul, Bossoroca. 28°44’53”S 54°56’38”W, 23.xii.2011 col.: JL Poppe; banana bait”. In FZB/RS GoogleMaps .

Diagnosis. Head covered with ca. 60 scattered interfrontal setulae, thorax brownish and abdomen brownish with interrupted brown stripes on tergites II, III and IV; tergites V, VI and VII darker in the males and lighter in the females. Wings hyaline, C-index= 2.46 to male and 2.55 to female. Male terminalia as in Figure 10a–c View FIGURE 10 .

Description. ♂. Head ( Fig. 4c View FIGURE 4 ). Front brownish, covered with ca. 60 scattered interfrontal setulae, frontal length 0.61 mm (0.52–0.7); frontal index = 1.27 (1.11–1.44); top-to-bottom width ratio = 1.05 (1–1.11); ocellar triangle to front length ratio = 0.32 (0.30–0.34); or1/or3 ratio = 1.19 (1.14–1.25); or2/or1 ratio = 0.71 (0.66–0.76); vibrissal index = 0.24 (0.21–0.28). Carina prominent and sulcate. Cheek index = 8.33 (8.16–8.5). Eye index = 1.54 (1.5–1.58). Antenna of the same color as front, arista plumose, with 7 dorsal branches and 6 ventral branches plus terminal fork. Palpus in the same color as front, with ca. 20 setae along lower margin.

Thorax ( Fig. 5c View FIGURE 5 ). Thorax length 2.03mm (1.82–2.25). Scutum and scutellum brownish; 16 rows of acrostichal setulae. 3 pairs of prescutellar setae, the central pair strongest, about 59% (58–60) of posterior dorsocentral setae. Only one pair of postpronotal setae. Transverse distance between dorsocentral setae 4.53x (4.3–4.77) longitudinal distance. Basal scutellar setae divergent. Sterno index = 1.01 (1.01–1.02); median katepisternal setae absent. Halteres whitish yellow. Legs light yellow.

Wings ( Fig. 6c View FIGURE 6 ). Hyaline. Length 3.32mm (3.3–3.35); width 1.65mm (1.5–1.8). Indices: C = 2.46 (2.42–2.5); Hb = 0.37 (0.35–0.39); Ac = 1.50 (1.49–1.51); 4c = 1.28 (1.27–1.29); 4v = 2.5 (2.4–2.6); 5x = 2.1 (2.9–2.12); M = 1.10 (1.04–1.16); prox.x = 0.84 (0.8–0.88).

Abdomen ( Fig. 7c View FIGURE 7 ). Brownish, with medially interrupted brown stripes covering 1/3 of the tergites II, III, IV and 2/3 of the tergites V, VI and VII, making terminal portion of abdomen brown.

Body length: 4.07mm (3.8–4.35).

Terminalia ♂ ( Fig. 10a–c View FIGURE 10 ). Epandrium microtrichose, fused with surstyli. Approximately 17 prensisetae and about 5 inner setae and 13 outer setae on each surstylus. About 15 upper and 30 lower setae on each sideof epandrium. Cerci small, with ca. 35 setae each, 3–4 longer setae in the apical portion. Aedeagus oval, wider medially, the apical portion is narrower than the base. Apodeme long and bifurcate in the posterior region. Hypandrium wider than length.

♀. Head ( Fig. 4f View FIGURE 4 ). Same color pattern and setation as in male. Front length = 0.56mm (0.52–0.6); frontal index = 1.3 (1.16–1.44); top-to-bottom width ratio = 1.29 (1.15–1.43); ocellar triangle to front length ratio = 0.29 (0.24– 0.34); or1/or3 ratio = 1.03 (0.95–1.10); or2/or1 ratio = 0.76 (0.76–0.77); vibrissal index = 0.35 (0.3–0.41). Cheek index = 11.97 (11.75–12.2). Eye index = 1.73 (1.72–1.73). Arista plumose with 8 dorsal branches and 6 ventral branches plus terminal fork. Other characters as in male.

Thorax ( Fig. 5f View FIGURE 5 ). Same color pattern as in the male. Thorax length 1.9mm (1.9–2). 12 rows of acrostichal setulae. 3 pairs of prescutellar setae, the central pair strongest, about 54% (52–56) of posterior dorsocentral setae. Transversal distance between dorsocentral setae 4.29x (3.72–4.86) longitudinal distance. Sterno index = 0.94 (0.93–0.95). Other characters as in male.

Wings ( Fig. 6f View FIGURE 6 ). Hyaline. Length 3.5mm (3.4–3.6); width 1.6mm (1.5–1.7). Indices: C = 2.55 (2.5–2.6); Hb = 0.32 (0.28–0.37); Ac = 1.44 (1.44–1.45); 4c = 1.25 (1.25–1.26); 4v = 2.53 (2.48–2.58); 5x = 2.17 (2–2.35); M = 1.14 (1.12–1.17); prox.x = 0.86 (0.84–0.88).

Abdomen ( Fig. 7f View FIGURE 7 ). The pattern of stripes of the tergites II, III and IV same as in the male, but lighter.

Body length: 3.7mm (3.5–3.8).

Terminalia ♀ ( Fig. 10d–e View FIGURE 10 ). Cerci long with ca. 30 setae, 7 longer apical setae on each one. Epiproct with ca. 15 setae. Hypoproct with ca. 20 setae, 12 being longer. Spermathecal capsule slightly rounded.

Etymology. The species name refers to Sul (the southernost part of Brasil), where it was collected.

Distribution. Known only from the type locality.

Biology. Collected in fermented-banana traps, along the edges and inside forest patches.