Rhinoleucophenga angustifrons Malogolowkin, 1946

Poppe, Jean Lucas, Valente, Vera Lúcia Da Silva, Santos, João Pedro Junges Dos & Gottschalk, Marco Silva, 2016, A new species of the genus Rhinoleucophenga (Diptera: Drosophilidae) and redescription of five species from Neotropical region, Zootaxa 4208 (3), pp. 261-281 : 262-264

Rhinoleucophenga angustifrons Malogolowkin, 1946

( Figures 1 a–e; Table 1)

Rhinoleucophenga angustifrons Malogolowkin, 1946: 425 . Malogolowkin, 1946: 417 (key), 424 (figures 16-17); Roque & Tidon, 2008: 97 (probably a Leucophenga Mik specimen).

Material examined: HOLOTYPE ♀ (dried and mounted specimen, deposited in CEIOC) labelled “ Rhinoleucophenga angustifrons DET—Chana Malogolowkin Rio V-946 \ BRASIL JUSSARAL X- 934 L . TRAV. ET LOPES \ Inst. Osw. Cruz n° 8.121 \ HOLOTYPUS. Left wing, right hindleg and terminalia were disarticulated and lost.

Diagnosis. Body yellow. Front covered with ca. 40 scattered interfrontal setulae. Frontal index 2.83. Carina nose-like and ca. 50% sulcated. One pair of prescutellar acrostichal setae. Hyaline wings. Abdominal tergites with brown stripes interrupted medially. Body length ca. 2.50 mm.

Description. Head ( Fig. 1 c). Front homogeneously yellowish, covered with ca. 40 scattered interfrontal setulae; ocellar triangle yellow with brown ocelli. Carina nose-like and ca. 50% sulcated. Face and gena yellowish; antenna with flagellomore and pedicel homogeneously brownish; arista with 7 long dorsal branches and 6 long ventral branches. Palpus yellowish with ca. 15 setae on lower part.

Thorax ( Fig. 9 a, b). Scutum and scutellum homogeneously yellow. Ten irregular rows of acrostichal setulae. One pair of prescutellar acrostichal setae. Pleura brownish; halteres yellowish. Legs homogeneously yellow.

Wings ( Fig. 1 e). Hyaline, without spots.

Abdomen ( Fig. 1 d). Tergites II and III yellowish and tergites IV and V brownish; with brown stripes interrupted medially.

Terminalia unknown.

For more measures and indices see Table 1.

Distribution. Known only from the type locality (State of Rio de Janeiro, Brazil).

Note. Rhinoleucophenga angustifrons recorded by Roque & Tidon (2008) was analyzed and it is not a Rhinoleucophenga species, probably a Leucophenga Mik specimen.

Figures

FIGURE 1. Rhinoleucophenga angustifrons Malogolowkin. Holotype, dried and mounted specimen, a: thorax, dorsal view; b: general habitus, lateral view; c: head, frontal view; d: abdomen, dorsal view; e: wing, distal portion (scale bar 1.0 mm).

FIGURE 9. Rhinoleucophenga personata Malogolowkin. Holotype, dried and mounted specimen, a: head, frontal view; b: thorax, dorsal view; c: general habitus, lateral view; d: abdomen, dorsal view; (scale bar 1.0 mm).