Toxomerus apegiensis (Harbach) Borges & Couri, 2009

Borges, Zuleica M. & Couri, Marcia S., 2009, Revision of Toxomerus Macquart, 1855 (Diptera: Syrphidae) from Brazil with synonymic notes, identification key to the species and description of three new species 2179, Zootaxa 2179, pp. 1-72 : 11-12

Toxomerus apegiensis (Harbach) n. comb.

( Figs. 77–79)

Mesograpta apegiensis Harbach, 1974: 31 (descr.).

Diagnosis. Face 1/3 as long as eye width, yellow with brownish to black vitta; frontal triangle black. Proepimeron black; scutum black except broadly yellow laterally; scutellum black with yellow margins, yellow pilose with black piles on posterior margin; anepimeron black. Pro and mesofemora yellow, metafemur yellow with black annulus; pro and meso tibiae yellow, metatibia black to brownish on basal 2/3 and yellow on apical 1/3. Wing extensively microtrichose; alula broader than cell BM appically, microtrichose. Abdomen with triangular basolateral yellow macula on 3 rd to 4 th terga. Surstylus broader and somewhat triangular apically in dorsal view; postanal process almost 2/3 as long as surstylus; aedeagus enlarged, proeminent dorsally; superior lobe somewhat rectangular with erect setae along anteroventral margin, with small lobe posteriorly with hairs.

Female genitalia: 9 th tergum with no distinct black macula; epiproct round, cercus slender; hypoproct somewhat oval; 9 th sternum as in Fig. 78; three oval spermatecae similar in size ( Figs. 77–79).

Length. Body 6.0–8.0 mm, wing 6.0–7.0 mm.

Type material examined. Holotype. BRAZIL. Pará : Belém, Mesograpta apegiensis , holotype male, 26/ IV/1967, Y. Sedman ( CNC) . Allotype. BRAZIL. Pará : Belém, ♀, 26/IV/1967, Y. Sedman ( CNC) . Paratypes.

BRAZIL. Pará: Belém , 2f, 26/IV/1967, 28/IV/1967 & 2m, 05/V/1967, 01/VI/1967, Y. Sedman ( USNM) . Other material examined . BRAZIL. Rondônia: Vilhena , 3 ♀, X/1986, O. Roppa, P. Magno & J. Becker ( MNRJ) . Mato Grosso: Sinop , ♂ & 3 ♀, III/1976, Alvarenga & Roppa ( MNRJ) .

Geographical record. Northern Brazil (Amazon rainforest).