Himantigera xanthopoda

Fachin, Diego Aguilar & Hauser, Martin, 2018, Taxonomic revision of the Neotropical genus Himantigera James, 1982 (Diptera: Stratiomyidae: Sarginae), including the description of two new species and a key to the known species, Zootaxa 4531 (4), pp. 451-498: 475-479

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Himantigera xanthopoda

nov. sp.

Himantigera xanthopoda  nov. sp.

( Figs 5View FIGURES 1–6, 22View FIGURES 13–24, 31View FIGURES 29–32, 37View FIGURES 33–38, 43View FIGURES 39–44, 54View FIGURES 45–55, 75–77View FIGURES 75–77, 102–105View FIGURES 96–105, 111View FIGURES 106–111, 117View FIGURES 112–117) http://zoobank.org/NomenclaturalActs/ 0626C676-B558-4470-8C30-563F11BF749E

Diagnosis (male). Legs entirely yellow to white ( Fig. 117View FIGURES 112–117). R 2+3 originating well beyond r–m, at a distance two times longer than r–m ( Fig. 31View FIGURES 29–32). Abdomen elongate, wider apically, widest at fourth segment ( Fig. 54View FIGURES 45–55).

Material examined. HOLOTYPE:GoogleMaps  ♂, COSTA RICA, Puntarenas Prov. [Province], Estación Biológica Monteverde   GoogleMaps, 1540 m, 10°19’23”N 84°48’38”W, 13.vi.2000, N.E. Woodley (USNM-USNMENT01447641). PARATYPES: 1 ♂ (left antenna and right wing slide-mounted), COSTA RICA, same date as holotype (USNM- USNMENT01447642). 1 ♂, Puntarenas Prov. [Province], San Vito, Estación Biológica Las Alturas , 1500 meters, 8°57’N 82°50’W, iii.1992, Malaise trap, P. Hanson (USNM-USNMENT01447643)GoogleMaps  ; 2 ♂, San Vito, Estación Biológica Las Alturas , 1500 meters, 8°57’N 82°50’W, iv.1992, Malaise trap, P. Hanson (1 ♂, USNM- USNMENT01447644; 1 ♂, MZUSP-MZ 052813)GoogleMaps  ; 1 ♂, Las Alturas , 8.95°N 82.83°W, iv.1992, 1500m, Malaise trap, P. Hanson ( LACM)GoogleMaps  ; 1 ♂, Las Alturas , 8.95°N 82.83°W, 11–13.vi.1998, B. Brown, V. Berezovskiy, Malaise trap #2, 1500m ( LACM)GoogleMaps  . 1 ♂, NICARAGUA, Matagalpa Prov. [Province], Selva Negra Mountain Resort, lower forest, 1200–1300 meters, 12°59.89’N 85°54.64’W, 18.vi.2007, mercury vapor light, N.E. Woodley (USNM- USNMENT01447685)GoogleMaps  .

Additional material: 1 ♂, MEXICO, Chiapas, Município de Angel Albino Corzo (Jaltenango), above Finca Custepec , 1371 m, 11.viii.1981, D.E & L.A. Breedlove ( UCB)  .

Description. Male. Length: body, 8.0–12.0 mm; wing, 7.0–10.0 mm. Head ( Fig. 22View FIGURES 13–24). Upper frons narrower than widest margin of frontal callus. Frontal callus margin divergent towards face. Arista-like terminal flagellomere with four setae basally ( Fig. 5View FIGURES 1–6). Thorax. Legs entirely yellow, except hind tarsomeres white. Wing ( Fig. 31View FIGURES 29–32). R 2+3 originating well beyond r–m, at a distance two times longer than r–m ( Fig. 37View FIGURES 33–38). Alula with microtrichia only along anterior half ( Fig. 43View FIGURES 39–44). Abdomen ( Fig. 54View FIGURES 45–55). Elongate, two times longer than wide, widest at fourth segment; entirely dark; tergites 1–3 with strong metallic green reflections, tergites 4–5 and sternites with coppery reflections; long golden pilosity laterally on tergites 1–3; short yellow pilosity on tergites 4–5 and sternites. Terminalia ( Figs 75–77View FIGURES 75–77, 102–105View FIGURES 96–105). Genital capsule as wide as high, its posterior margin weakly pointed dorsally; medial process of synsternite weakly developed ( Fig. 105View FIGURES 96–105), few thin setae apically. Anterior end of phallus distally to anterior margin of genitalia. Gonostylus at least two times longer than wide, pointed apically. Epandrium slightly wider than long ( Fig. 75View FIGURES 75–77).

Female. Unknown.

Etymology. The specific epithet is feminine and it comes from the Greek word xanthos, meaning yellow, and podos, meaning foot, as a reference to the yellow leg color.

Geographic distribution. Mexico (Chiapas), Nicaragua (Matagalpa), Costa Rica (Puntarenas) ( Fig. 130View FIGURE 130).

Comments. One additional specimen from Mexico (Chiapas) has the apical third of the hind femur dark brown, however, overall morphology and male genitalia fit with that of the other specimens.


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University of California at Berkeley