Toxomerus tibicen (Wiedemann)

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 : 57

Toxomerus tibicen (Wiedemann)

( Figs. 158–160)

Syrphus tibicen Wiedemann, 1830: 127 (descr.); Williston, 1886: 312 (cat.).

Syrphus sinuatinervis Macquart, 1850: 455 (descr.); Williston, 1886: 311 (cat.); Kertész, 1910: 128 (cat.); Fluke, 1957: 156 (cat. & syn.).

Mesogramma tibicen Schiner, 1868: 347 ; Curran, 1930: 2 (key); 1934: 398 (key).

Toxomerus tibicen Kertész, 1910: 150 (cat. & n. comb.); Thompson et al., 1976: 55 (cat.); Metz & Thompson, 2001: 228, 248 (key & redescr.).

Toxomerus ornatus Sack, 1941: 103 (1951: 99) (descr.); Metz & Thompson, 2001: 248 (syn.).

Mesograpta tibicen Fluke, 1956: 231 (cat.).

Toxomerus sinuatinervis Thompson et al., 1976: 55 (cat.); Metz & Thompson, 2001: 248 (syn.).

Diagnosis. Face 1/3 as long as eye width, yellow; frontal triangle yellow. Proepimeron yellow; scutum black except broadly yellow laterally; scutellum brown with yellow margins, black pilose; anepimeron black. Pro and mesofemora yellow, metafemur yellow on basal 1/2 and brown on apical 1/2; pro and meso tibiae yellow, metatibia brownish. Wing extensively bare; alula broader than cell BM appically, microtrichose. Abdomen with yellow maculae on 3 rd and 4 th terga isolated from lateral margins. Surstylus pointed latero-apically; postanal process little distinct; aedeagus not so enlarged, proeminent dorsally; superior lobe somewhat rectangular, with hairs along anterior margin, with smal lobe medially with hairs.

Female genitalia: 9 th tergum with somewhat oval black macula pointed posteriorly; epiproct slender; cercus slender; hypoproct somewhat triangular; 9 th sternum as in Fig. 159; three rounded spermatecae, one of them smaller ( Figs. 158–160).

Length. Body 9.5–12.0 mm, wing 7.0–9.6 mm.

Material examined. BRAZIL. Minas Gerais: Caldas , 5 ♂, 8/I/1967, J. Becker, O. Roppa and O. Leoncini ( MNRJ) ; Rio de Janeiro: Teresópolis , ♀, XII/1939, Freitas ( MNRJ) ; ♂, 20/VIII/1944, Travassos ( MNRJ) ; Petrópolis , 3 ♂, II/1956, D. Albuquerque ( MNRJ) ; Grajaú , ♀, 27/IV/1941, Lopes & Oliveira ( MNRJ) ; Corcovado , ♂, IV/1934, Trav. & Lopes ( MNRJ) ; Itatiaia , ♂ & 2 ♀, I/1948, C. d’Andretta ( MZSP) ; ♂ & 2 ♀, 8/I/1950, Travassos & Dalcy ( MNRJ) ; 2 ♀, 6/I/1954, W. Zican ( MNRJ) ; São Paulo: Bocaina , 2 ♂ & 5 ♀, IX/1969, Alvarenga and Seabra ( MNRJ) ; Eug. Lefevre , 2 ♂ & 5 ♀, 1/XI/1937, Lopes ( MNRJ) ; Cotia , ♀, 27/XII/1940, A. G. Silva ( MZSP) ; M. das Cruzes, ♀, XI/1939, M. Carrera ( MZSP) ; Osasco , ♂, XI/1940, J. Lane ( MZSP) ; H. Florestal, ♀, XII/1951, E. Rabello ( MZSP) ; Embú , ♂, 15/II/1946, F. Lane ( MZSP) ; Campos do Jordão , M, 3 ♀, 23/I/1936, XII/1945, XII/1955, J. Lane ( MZSP, MNRJ) ; Barueri , ♀, 8/XI/1954, K. Lenko ( MZSP) ; S. Roque, ♂, XII/1946, J. Lane ( MNRJ) ; Paraná: Curitiba , 7 ♂ & 5 ♀, IV/1940, Claret ( USNM) ; P. Grossa , 3 ♂ & 2 ♀, 20/X/1986 ( DZUP) ; S. José Pinhais , ♀, 3/XI/1986 ( DZUP) ; Deodoro , ♂, XII/1944, Natschbach ( MZSP) ; Rio Negro , ♂, 7/V/1929 ( MNRJ) ; Santa Catarina: Nova Teutônia , ♂, 13/VI/1938, F. Plaumann ( MNRJ) ; 27 ♂, 25 ♀, VI/1964, X/1964, VII/1965, X/1971, F. Plaumann ( USNM) . Rio das Antas, ♀, I/1953, Camargo ( MZSP) . Rio Grande do Sul: Derrubadas , ♀, 26/04/2003, M. N. Morales ( UNISC) ; São Borja , 2 ♂ & 2 ♀, IX/1952, Agnelo C. Filho ( MNRJ) . PARAGUAY. Mboneno : 7 ♂ & 25 ♀, IX/1940, F. Schade ( USNM) . ARGENTINA. Misiones Dos de Mayo : 15 ♂ & 19 ♀, XII/1973, M. F. ( USNM) .

Geographical record. South America.