Two new species of Dasybasis Macquart from the Peruvian Andes of Cusco (Diptera: Tabanidae: Diachlorini) Author González, Christian R. Instituto de Entomología, Facultad de Ciencias Básicas, Universidad Metropolitana de Ciencias de la Educación, Santiago, Chile. Author Yábar, Erick Laboratorio de Entomología, Universidad Nacional de San Antonio Abad del Cusco, Cusco, Perú. text Zootaxa 2024 2024-03-01 5418 4 385 392 http://dx.doi.org/10.11646/zootaxa.5418.4.6 journal article 289978 10.11646/zootaxa.5418.4.6 b715ce9e-87a6-4037-a005-b9c500eba2ba 1175-5326 10730668 0DBAE803-E2A2-499C-A1A7-896BAE06E718
TABLE 1. Morphological comparison between the new species of Dasybasis Macquart and other species of the genus (N/I = no information).
CharactersD. mancoi sp. nov.D. huaynai sp. nov.D. adornata (Kröber)D. albotibialis (Kröber)D. bulbiscapens (Coscarón & Philip)D. bulbula (Coscarón & Philip)D. limbativena (Kröber)
Size (mm)12.58.08.510.0–11.013.012.09.0–10.0
Frontal index2.41.51.81.5N/I1.41.6
Ocular ommatrichiaPresentPresentPresentPresentPresentPresentPresent
FronsSlightly convergentSlightly convergentslightly divergentDivergentN/IParallelParallel
Basal callus/ shapeSubquadrate with medial dorsal projectionRectangular, shiny black, top margin with irregular bordersSmall, with a dorsal projectionRectangular, rugose, yellow- reddishN/ISubtrapezoidal, with tufts of setulae at the baseRectangular, upper edge with three extensions
Basal callus/ eyesTouchingTouchingNot touchingTouchingN/ITouching only at the baseTouching
SubcallusBarePilosePilosePiloseN/IPilosePilose
AntennaBrownish/ blackishGray/blackDark brownLight brownN/IBlackLight brown and black
ScapeGlobose, 1.5 times the width of first flagellomereGlobose, slightly wider than the first flagellomereN/IOf the same width as the first flagellomereGlobose, of the same width as the first flagellomereGlobose, slightly wider than first flagellomereGlobose, slightly wider than first flagellomere
PedicelWithout dorsal projectionWith dorsal projectionN/IWithout dorsal projectionWith dorsal projectionWith dorsal projectionWith dorsal projection
First flagellomereObtuseAngulateN/IAngulateAngulateNot angulateAngulate
Palp setae colorGrayish and black setulaeBlack and grayish setulaeWhite and blackWhitishWhitishWhitishWhitish
ScutumDark gray with four longitudinal whitish stripesDark gray,Dark gray with 5 longitudinal stripesGrayish brown with dark longitudinal stripesDark gray, with longitudinal stripesDark gray, with grayish longitudinal stripesWith 5 longitudinal stripes
WingSlightly smoky, with cloudsSlightly smoky, with cloudsHyalineHyalineSubhyaline, with diffuse cloudsHyaline, with cloudsWith clouds
BasicostaSetuloseBareBareN/IBareBareBare
Appendix on R4WithoutPresentPresentPresentPresentPresentPresent
CerciSubovoidSubquadrateN/ISubtrapezoidN/IN/IN/I