Stilobezzia (Acanthohelea) curvistyla (Diptera: Ceratopogonidae), new association of sexes and redescription of male

Abstract

Study of the type material, new specimens of Stilobezzia (Acanthohelea) curvistyla and recently collected Stilobezzia (A.) megatheca showed an erroneous association of sexes in both species. The female allotype of S. (A.) megatheca belongs to Stilobezzia (A.) curvistyla. The right association of sexes is provided, the male of S. (A.) curvistyla is redescribed, the species diagnosis is expanded and its geographic distribution is extended.

El estudio del material tipo, y de ejemplares de Stilobezzia (Acanthohelea) curvistyla y de Stilobezzia (A.) megatheca, colectados recientemente, demostró una incorrecta asociación de sexos en ambas especies. El alotipo hembra de S. (A.) megatheca pertenece a Stilobezzia (A.) curvistyla. Se realiza la correcta asociación de sexos de S. (A.) curvistyla, se redescribe el macho de esta especie, se expande su diagnosis y se amplía su distribución geográfica.