Gasterophilus pecorum (Fabricius, 1794)

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 pecorum (Fabricius, 1794) Figs 3 D–F , 6C, D , 9 D–F , 10H , 13 D–F , 16 D–F , 18 I–L ; Table 1

Oestrus pecorum Fabricius, 1794: 230. Type locality: not given, probably Europe.

Oestrus vituli Fabricius, 1794: 231. Type locality: not given, but at least Sweden and France by reference to works of Linnaeus and Geoffroy.

Gastrus jubarum Meigen, 1824: 179, 180. Type locality: Austria.

Gastrus lativentris Brauer, 1858: 465. Type locality: Latvia, Curland (as "in Kurland gefangen").

Gastrus ferruginatus Zetterstedt, 1844: 978. Type locality: Sweden, Skåne, Tranås socken, Esperöd. (as "ad Esperöd in parœcia Tranås Scaniæ”).

Gasterophilus pecorum var. zebrae Rodhain & Bequaert, 1920: 181. Type locality: Kenya and Tanzania.

Gastrophilus vulpecula Pleske, 1926: 227. Type locality: China, Inner Mongolia, Alxa League.

Gastrophilus gammeli Szilády, 1935: 140. Type locality: Hungary.

Gastrophilus hammeli : Paramonov 1940: 34, 46; incorrect subsequent spelling of gammeli Szilády, 1935.

Gastrophilus hummeli : Paramonov 1940: 32; incorrect subsequent spelling of gammeli Szilády, 1935.

Gastrus selysi Walker, 1849: 687. Nomen nudum.

Selected references.

Zumpt (1965: 114); Grunin (1969: 25); Pont (1973: 698); Soós and Minář (1986: 239); Cogley (1991b); Xue and Wang (1996: 2210); Otranto et al. (2005); Colwell et al. (2006: 5); Colwell et al. (2007); Zhang et al. (2016); Hoseini et al. (2017); Li et al. (2018); Yan et al. (2019).

Diagnosis.

Antennal pedicel elongated, with length/width ratio more than 0.8. Facial plate setose. Wing dark, with broad darkened patches with ill-defined edges; crossvein dm-cu absent. Meron with unmodified setae. Legs yellowish brown with femora distinctly darkened. Abdomen ground color yellow in male, mainly dark brown to black in female. Male cercus long and narrow, length/width ratio more than 3.0; surstylus yellow, with a rounded apex; processi longi elongated. Female sternite 8 with a longitudinal concavity in the middle and with a keel-shaped apex.

Material examined.

CHINA - Xinjiang Uyghur Autonomous Region • 1♂; Akesu; 25 Sep. 1958; collector unknown; IOZ • 1♀; Bayingolin Mongol Autonomous Prefecture, Qiemo County; Aqiang; 3000 m; 20 Jul. 1988; X.Z. Zhang leg.; IOZ • 2♀♀; Fuyun County, Qiakuertu; 8-10 Jun. 2009, F. Mo leg.; MBFU • 9♂♂, 4♀♀; Kalamaili; 6 May– 1 Jun. 2009; D. Zhang leg.; MBFU. - Inner Mongolia • 1♀; Chifeng, Zhaowuda League, Right Banner; 22 Aug.-28 Sep. 1959; collector unknown; IOZ • 2♂♂; Ulanqab, Temurtei, 4-27 Aug. 1971; collector unknown; IOZ • 1♂; Xisuqi; 1 Sep. 1971; collector unknown; IOZ.

Hosts.

Burchell’s zebra ( E. quagga burchellii), domestic horse ( E. ferus caballus), donkey ( E. africanus asinus), Mongolian wild ass ( E. hemionus hemionus), Persian onager ( E. hemionus onager Boddaert), wild horse ( E. przewalskii ).

Distribution.

Afrotropical - Burkina Faso, Kenya, Namibia, Senegal, South Africa, Tanzania, Uganda, Zambia. Oriental - India. Palaearctic - Austria, Belgium, China (Heilongjiang, Inner Mongolia, Xinjiang), Czech Republic, Denmark, France, Germany, Hungary, Iran, Italy (incl. Corsica and Sicily), Latvia, Lithuania, Mongolia, Poland, Romania, Sweden, Switzerland, The Netherlands, Turkey, Ukraine, United Kingdom.

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).

Figure 16. Dorsal (A, D), left lateral (B, E) and ventral (C, F) view of female genitalia of Gasterophilus species A-C G. nigricornis (Loew) D-F G. pecorum (Fabricius). Scale bars: 0.5 mm (A-F).

Figure 18. Right lateral (A, E, I) and ventral (B, F, J) view, micropyle (C, G, K) and ultrastructural details of plastron (D, H, L) of eggs in Gasterophilus species A-D G. nasalis (Linnaeus) E-H G. nigricornis (Loew) I-L G. pecorum (Fabricius). Scale bars: 100 μm (A, B, I-J), 10 μm (in the box of J); 20 μm (C, H, K); 15 μm (D); 20 μm (E), 50 μm (in the box of E); 150 μm (F); 25 μm (G); 10 μm (L).