Gasterophilus ternicinctus (Gedoelst, 1912)

Li, Xin-Yu, Pape, Thomas & Zhang, Dong, 2019, Taxonomic review of Gasterophilus (Oestridae, Gasterophilinae) of the world, with updated nomenclature, keys, biological notes, and distributions, ZooKeys 891, pp. 119-156 : 119

Gasterophilus ternicinctus (Gedoelst, 1912) Figs 3 G–I , 6E, F , 9 G–I , 10I , 13 G–I ; Table 1

Gasterophilus ternicinctus Gedoelst, 1912: 426. Type locality: Democratic Republic of the Congo (as “Zaire”), 11.5 km W of Luapula river (as "6 milles W. du Luapula").

Gasterophilus gedoelsti Rodhain & Bequaert, 1920: 188. Type locality: Kenya.

Selected references.

Zumpt (1965: 128); Cogley (1991b); Colwell et al. (2006: 36).

Diagnosis.

Facial plate bare. Wing with darkened patches with demarcated edges. Distance between crossveins r-m and dm-cu less than length of r-m. Meron with unmodified setae. Legs yellowish brown, with tibiae and tarsi more or less darkened. Hind trochanter of male with a long, spatulate process, of female with a tubercle; hind tibia and tarsus flattened distinctly in male, slightly in female; tarsomeres 2-4 shortened in both sexes, broader than long. Abdomen ground color yellow in both male and female. Male cercus elongated and broad, length/width ratio around 1.5; surstylus mainly black with yellow coloration basally, and a rounded apex. Female abdominal segment 7 distinctly longer than broad, sternite 8 longitudinally ridged in the middle and with a scallop-shaped apex.

Material examined.

SOUTH AFRICA • 1♂; KwaZulu; Hluhluwe-Imfolozi Park; 8 Mar. 1963; collector unknown; MBFU. KENYA • 1♂, 1♀; Kenplains, Athi river; 13 Mar. 1991; C.F. Dewhurst leg.; NHMUK.

Hosts.

Burchell’s zebra ( E. quagga burchellii).

Distribution.

Afrotropical - Burkina Faso, Democratic Republic of the Congo, Kenya, Republic of the Congo, Senegal, South Africa, Zambia.

Figures

Figure 3. Left lateral view of habitus (A, D, G), head and thorax (B, E, H), and head in frontal view (C, F, I) of male Gasterophilus species A-C G. nigricornis (Loew); China (in MBFU) D-F G. pecorum (Fabricius); China (in MBFU) G-I G. ternicinctus Gedoelst; South Africa (in MBFU). Scale bars: 1 mm (A-I).

Figure 6. Dorsal view of habitus (A, C, E) and head and thorax (B, D, F) of male Gasterophilus species A, B G. nigricornis (Loew) C, D G. pecorum (Fabricius) E, F G. ternicinctus Gedoelst. Scale bars: 1 mm (A-F).

Figure 9. Dorsal view (A, D, G) and left lateral view (B, E, H) of habitus, and head in frontal view (C, F, I) of female Gasterophilus species A-C G. nigricornis (Loew); China (in MBFU) D-F G. pecorum (Fabricius); China (in MBFU) G-I G. ternicinctus Gedoelst; Kenya (in NHM). Scale bars: 1 mm (A, B, D-E, G, H); 0.5 mm (C, F, I).

Figure 10. Wing of Gasterophilus species, with A-C modified from Li et al. (2019) A G. flavipes (Olivier) B G. haemorrhoidalis (Linnaeus) C G. inermis (Brauer) D G. intestinalis E G. meridionalis (Pillers & Evans) F G. nasalis (Linnaeus) G G. nigricornis (Loew) H G. pecorum (Fabricius) I G. ternicinctus Gedoelst. Scale bars: 0.5 mm (A-C); 1 mm (D-I).

Figure 13. Dorsal (A, D, G), left lateral (B, E, H) and posterior (C, F, I) view of male genitalia of Gasterophilus species A-C G. nigricornis (Loew) D-F G. pecorum (Fabricius) G-I G. ternicinctus Gedoelst. Scale bars: 0.5 mm (A-I).