Ommatius costatus Rondani, 1850

Montanuci, Pietra S., Vieira, Rodrigo & Krolow, Tiago K., 2023, A new species of Cerozodus and new records of Asilinae and Ommatiinae (Diptera: Asilidae) from Tocantins, Brazil, Iheringia, Série Zoologia (e 2023008) 113, pp. 1-22 : 15

Ommatius costatus Rondani, 1850

( Figs 56–59 )

Material examined. BRASIL [ BRAZIL], Tocantins: Palmas, Distrito de Taquaruçu , Fazenda Encantada, 10°14’45.21”S – 48°07’24.07”W, malaise [malaise trap], 16-23.XI.2012, Krolow, T. K. & Lima, H. I. L. (♂, CEUFT); idem, 11-14.VII.2018, Fernandes, A. S. (♂, CEUFT); idem, 19-26.X.2012, Krolow , T . K. & Lima, H. I. L. (♀, CEUFT); idem, Fazenda Ecológica, Cachoeira da Roncadeira , 10°18’12.60”S – 48°8’20.43”W, malaise [malaise trap], 25- 26. V .2012, Gomes, L. A. (♀, CEUFT) .

Distribution. Ecuador, Colombia, Venezuela, Trinidad, Guyana, Suriname, French Guiana, Peru, Brazil (Amazonas, Pará, Tocantins *, Mato Grosso, Goiás, Minas Gerais, Mato Grosso do Sul, Espírito Santo, Rio de Janeiro, São Paulo to Rio Grande do Sul), Bolivia, Paraguay, Argentina ( VIEIRA, 2015).

Comments. The species has a wide distribution in the Neotropical Region. In Brazil, occurs from north to south. In addition, according to VIEIRA (2015), the species is often found in Brazilian entomological collections. This species is characterized by having white mystax interspersed with yellow setae ( Figs 58, 59 ), dark wings with a costal vein with dilatation in the median portion, yellow femur with black anteroventral and posteroventral setae, gray abdomen, tergites with whitish setae ( Figs 56, 57 ), shiny black male terminalia, epandrium with a spiniform projection at the apex in dorsal view. Females of this species are similar to males except for the terminalia: tergite 9 narrow and sternite 8 with three indentations on the anterior margin.

Figures

Figs 56–59. Ommatius costatus Rondani, 1850, male, habitus: 56, lateral view; 57, dorsal view; head: 58, frontal view; 59, lateral view.