New records of the Neotropical genus Phaonantho Albuquerque (Diptera: Anthomyiidae)
Author
Gomes, Lucas Roberto Pereira
Author
Carvalho, Claudio José Barros de
text
Papéis Avulsos de Zoologia
2023
2023-11-17
63
1
9
https://www.revistas.usp.br/paz/article/view/215646
journal article
10.11606/1807-0205/2023.63.041
1807-0205
10270451
Phaonantho
Albuquerque, 1957
Type
species:
Phaonantho devia
Albuquerque, 1957
.
Diagnosis:
Male holoptic (
Figs. 1A
,
2A
,
3A
) and female dichoptic (
Figs. 1D
,
2D
,
3D
). Male frons at the narrowest point with contiguous fronto-orbital plates (
Figs. 1A
,
2A
,
3A
). Two pairs of frontal setae. Gena, proboscis, and antennae are light to dark brown. Arista plumose.Palpi filiform. Females with a pair of interfrontal setae,two pairs of proclinate orbital setae (the upper one being very short), and one pair of reclinate orbital setae (
Figs. 1D
,
2D
,
3D
). One to two anterior anepisternal setae.The prealar seta shorter than the posterior notopleural seta. The apex of the scutellum is setulose ventrally. Prosternum bare. Dorsocentral setae 2+3. Katepisternal setae 1+2, lower and upper katepisternal setae, similar in length in males. Wings hyaline or brownish without spots.Veins bare, except for the presence of microtrichia, also present on the wing membrane. Vein A₁ short, not reaching the wing margin (
Figs.1C, F
). Lower calypter twice as long as the upper calypter. Male fore tibia with a median seta on the posteroventral surface. Female fore tibia with a median seta on the anterodorsal and posteroventral surfaces. Hind tibia with a submedian anteroventral seta, three anterodorsal setae, and a median posterodorsal seta (calcar) twice the tibial width. Fore and hind basitarsi, with a conspicuous ventrobasal seta. Abdomen light brown, basally yellowish. Tergites with marginal setae developed, the laterals longer. Sternite one setulose. Male terminalia: surstyli bifurcated, shorter than cerci; cerci wide and rounded, length equal to that of the epandrium width in lateral view; pregonite covered by long setae.