Revision of the New World genus Quichuana Knab, 1913 (Diptera: Syrphidae), including descriptions of 24 new species Author Ricarte, Antonio Author Marcos-García, M. Ángeles Author Hancock, E. G. Author Rotheray, Graham E. text Zoological Journal of the Linnean Society 2012 Zool. J. Linn. Soc. 2015-06-02 166 1 72 131 http://dx.doi.org/10.1111/j.1096-3642.2012.00842.x journal article 10.1111/j.1096-3642.2012.00842.x 0024-4082 5408533 2A5804AC-E5F7-405D-80A7-F8C2799C0CEB QUICHUANA BEZZII CERESA, 1934: 387 FIGURES 21 , 23 AND 24 Three males and six females were examined by Ceresa (1934) , three males and five females of which comprise the type series. These eight specimens are deposited in MCSN . Each specimen of the type series is red-labelled as ‘cotypus’ with the letters ‘co’ crossed out. We designate a lectotype and seven paralectotypes to stabilize the name (see ‘Material examined’) . Diagnostic features Body extensively black; frontal triangle flat; bf = 1.3 ( lectotype ); basoflagellomere oval ( Fig. 21 ); face extensively white pollinose, except for a central, short, shiny, black stripe comprising the facial tubercle; facial lateral stripes, when visible, with sparser pollinosity than that on the rest of the face; thorax without tufts of hairs, although longer hairs at NP , PAPT , and PC; scutum with PP pollinose and two medial, white pollinose stripes extending on the anterior three-quarters of the scutum, and diverging posteriorly; pro- and mesotibia red at least on the basal half; metafemur from copper red on the apical third to wholly copper red; metatibia copper red; wings extensively microtrichose, except for small bare areas in cells BM , CuP, basal area of C, and alula; terga black; tergum I only with short pale hairs; hairs on the lateral margins of terga I– II pale, relatively short, and wavy only towards the tip; male genitalia with superior lobes conical towards the apex ( Fig. 23 ); hypandrium with lateral extensions on the apical half ( Fig. 23 ); surstyli concave antero-apically, but rounded postero-apically ( Fig. 24 ) . Material examined (MCSN) Lectotype : 1m , Brasil , Est. Saõ Paulo , S. Sebastiaõ , A.A. Barbiellini /cotypus. Paralectotypes : Brasil , Est. Saõ Paulo , S. Sebastiaõ : 1m , A.A. Barbiellini , 11–1906 (handwritten), cotypus; 1m , A.A. Barbiellini , 491, cotypus; 1f, A.A. Barbiellini , 11–1906 (handwritten), cotypus; 2f, A.A. Barbiellini , 4–1917 (handwritten), cotypus; 1f, A.A. Barbiellini , 11–1906 (handwritten), 805 (handwritten), cotypus, Quichuana bezzii Cer. , det. L. Ceresa (species name handwritten); 1f , Brasil , Est. S. Paulõ, S . Sebastiaõ, A.A . Barbiellini (most of the abdomen lacking). On the ‘cotypus’ label of all the specimens, ‘co’ is crossed out in ink . Range Argentina , Brazil . Taxonomic notes Medium size species ( 10.7 mm , lectotype ) with slender abdomen; Q. bezzii can be separated from the similar Q. undulatipila sp. nov. by the surface of the frontal triangle, which is flat in the former but domed in the latter; additionally, the hairs on the lateral margins of terga I–II are shorter and not so conspicuously wavy (wavy for a shorter length) than those in terga I–II of Q. undulatipila sp. nov. ; the shape of the superior lobes and surstyli in the male genitalia also differ between Q. bezzii ( Figs 23, 24 ) and Q. undulatipila sp. nov. ( Figs 65, 66 ).