Silba bredoi, Macgowan, Iain, 2015

Macgowan, Iain, 2015, A review of the Silba admirabilis McAlpine species group (Diptera: Lonchaeidae) with descriptions of thirteen new species from the Afrotropical region, Zootaxa 4032 (5), pp. 515-534 : 520

Silba bredoi sp. nov.

The holotype has many of its major setae missing.

Description. Male: Head: Eyes bare. Frons 0.5x width of an eye, subshining black with fine microsculpture, frontal and interfrontal setulae approximately 0.3x as long as the orbital setae. Lunule with ground colour dark, intensely silver pollinose as to a lesser extent are the parafacials and face. Antennae; entirely black with just a faint hint of orange at extreme medial base 1st flagellomere length to depth ratio 3.6:1. Arista with plumosity at maximum extent approximately depth of 1st flagellomere. Anterior genal setulae in a single row of 5 along mouth margin, these slightly separated from the other setulae on the genae

Thorax: Mesonotum and pleura shining black, all setae missing. Scutellum, disc with traces of silver dusting, all lateral setae and setulae missing. Calypteres white with long whitish fringes. Legs black, basal tarsomeres yellow, other tarsomeres becoming darker apically. Wings clear, wing length 3.5mm.

Male terminalia (Figs. 7–8): epandrium and associated structures of the standard S. admirabilis group type. Phallus: basal plate, in ventral view very long and narrow, almost parallel sided, slightly widening at apex where there is a slight semi-circular excavation. In lateral view basal plate extending almost as far as the phallus, apex slightly expanded. Basiphallus of normal size, bearing a few spicules ventrally.

Type material. Holotype ♂. DEMOCRATIC REPUBLIC OF CONGO; Lubumbashi , (label reads Elisabethville), 14.iv.1939, leg. H.J. Brédo.

Only known from the holotype, specimen in RBINS.

Etymology. The specific epithet refers to H. J. Brédo who captured the holotype.