Tabanus guineensis Wiedemann, 1824

Mugasa, Claire M., Villinger, Jandouwe, Gitau, Joseph, Ndungu, Nelly, Marc Ciosi, & Masiga, Daniel, 2018, Morphological re-description and molecular identification of Tabanidae (Diptera) in East Africa, ZooKeys 769, pp. 117-144 : 117

Tabanus guineensis Wiedemann, 1824 Fig. 3G

Location.

Shimba Hills, Kenya

Generally, the body is brown and slender (Suppl. material 2: Figure S7A).

Descriprion.

Head. Head black, as wide as thorax. Black eyes separated by black frons. Bi-partite callus dark brown joined by wide constricted neck and occupies more than half of frons (Suppl. material 2: Figure S7B). Antennae slender, golden-orange with black hair. Scape has prominent black anterior projection, as does pedicel. Projection on flagellum not prominent and annulations appear blackish. Second palpi white with black hair. Labellum greyish black.

Thorax. Brown thorax with two inconspicuous lateral greyish stripes. Thorax covered with recumbent black and white hair. Lateral thoracic margins grey with white hair. Scutellum brown with lighter shade posteriorly with brownish white hair especially at lateral margin. Yellowish brown hair tufts at postalar callus. Halteres light brown. Wing clear with brown pigment at the anterior margin; R4 has a short but visible appendix (Suppl. material 2: Figure S7C). Fore and hind tibia and femur brown with black hair.

Abdomen. Elongate with more or less parallel sides. Anterior abdominal segments light brown and become darker brown posteriorly with black and white hair. Abdomen bisected by a whitish median stripe with white hair. Last segment flat and rectangular (Suppl. material 2: Figure S7A).

Figures

Figure 3. Whole tabanid flies. A Ancala fasciata, discal cell (dc) B Tabanus thoracinus, discal cell (dc), haltare (ht) C Tabanus donaldsoni, distinct R 4 appendix (px) D Tabanus taeniola, median stripe (ms), parafacial hair (pf), antennae (at), labellum (lbl), palpus (lp) E Tabanus taeniola variatus, medial triangles (mt), peri-median bands (pm) F Tabanus gratus, haltares (ht), comma shaped shades (cm) G Tabanus guineensis H Atylotus nigromaculatus, eyes with thin black horizontal line (hl) I Atylotus diurnus, haltares (ht), wing with indistinct appendix (px) J Haematopota duttoni K Haematopota fenestralis, double white streak (ds) L Chrysops distinctipennis, hair tufts (hf), bifurcating band (bf).