Octaseps, Jean- Paul Haenni & Dalton de Souza Amorim, 2016

Jean- Paul Haenni & Dalton de Souza Amorim, 2016, Two new Afrotropical genera of Scatopsidae (Diptera), Mitteilungen Der Schweizerischen Entomologischen Gesellschaft 89, pp. 127-142 : 128

Octaseps gen. nov.

Type species. Octaseps alata Haenni &Amorim, sp. nov.

Diagnosis.Head as high as long, supraantennal eye-bridge broad, antennal flagellum with 8flagellomeres. Setae present on frons between antennae and eyebridge. Anterior thoracic spiracular sclerite with an anterodorsal acute short projection. Postnotal phragma as long as notum, extending deeply into abdomen, reaching the anterior end of the fourth segment. Dorsal suture between thorax and abdomen well marked, forming asinuous V-shaped, thickened rim laterally. Wing with R4+5 long, reaching costa well over mid-length of wing, awing fold («false vein») present between M2 and M4.Stem of halters with arow of setae. Abdominal tergite 1divided transversally into two parts, with anterior part devoid of pilosity. Pregenital segment 7with an entire, narrow anterior heavily sclerotized line of sclerotization, which is also present on pleural membranes joining tergite and sternite; pleural area around spiracle of segment 7also weakly sclerotized. Sperm pump lying free in abdominal cavity, separated from male terminalia. Genital capsule with articulated gonostyles and parameres, aedeagus elongate, complex.

Etymology.The name of the genus is an anagram of Scatopse ,the type-genus of the family. The gender is feminine.