Triorla striola (Fabricius, 1805)

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 : 7-10

Triorla striola (Fabricius, 1805)

( Figs 28–31 )

Material examined. BRASIL [ BRAZIL], Tocantins: Porto Nacional, Campus UFT [Universidade Federal do Tocantins], 10°41’18.649”S – 48°22’58.252”W, coleta manual [manual collection], 21.XI.2018, Silva, B. M. (♀ CEUFT) .

Distribution. Panama, Colombia, Venezuela, Guyana, Suriname, French Guiana, Brazil (Pará, Tocantins *, Mato Grosso, Goiás, Rio Grande do Norte, Minas Gerais, Espírito Santo, Rio de Janeiro, Paraná), Paraguay ( CASTRO et al., 2016).

Comments. Trioria striola is characterized by having the yellow mystax interspersed with white and black setae ( Figs 30, 31 ); thorax and head brown, golden tomentose ( Figs 28, 29 ); gray scutellum with a dark spot on the margin; femora dorsally reddish brown, black tibiae, black tarsomeres; black abdomen, tergites 1-3 with white lateral bands that cover more than half of the posterior part, tergites 4 and 5 entirely black, tergite 6 with a dorsomedial black spot, tergite 7 black with white lateral bands that cover the ventral and dorsoposterior parts; terminalia conical, shiny black, tergite and sternite 8 as long as the 6 and 7 combined, without macrosetae, tergite 9 shorter in length.

Figures

Figs 28–31. Triorla striola (Fabricius, 1805), female, habitus: 28, lateral view; 29, dorsal view; head: 30, frontal view; 31, lateral view.