Gasterophilus intestinalis (De Geer, 1776)

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 intestinalis (De Geer, 1776) Figs 2 A–C , 5A, B , 8 A–C , 10D , 12 A–C , 15 A–C , 17 M–P ; Table 1

Oestrus intestinalis De Geer, 1776: 292. Type locality: Sweden.

Oestrus equi Clark, 1797: 298. Junior primary homonym of Oestrus equi Fabricius, 1787. Type locality: England.

Oestrus gastricus major Schwab, 1840: 31. Unavailable name; proposed in synonymy with Oestrus intestinalis De Geer, 1776 and Oestrus equi Clark, 1797 and not made available from subsequent use as a valid name for a taxon before 1961.

Oestrus bengalensis Macquart, 1843: 182. Type locality: Bangladesh (as "Du Bengal") and India.

Oestrus gastrophilus Gistel, 1848: 153 (as "O. gastrophilus, mihi. O. Equi. Linné.”). Type locality: not given, probably Germany.

Oestrus schwabianus Gistel, 1848: 153 (as "Oestrus Schwabianus, mihi. O. gastric. major Schwab"). Type locality: not given, probably Germany, Bavaria.

Gastrophilus equi var. asininus Brauer, 1863: 71. Type locality: Egypt and Sudan ( “Egypten” & “Nubien”).

Gastrophilus aequi : Brauer 1863: 28; incorrect subsequent spelling of equi Clark, 1797.

Gasterophilus magnicornis Bezzi, 1916: 29. Type locality: Eritrea.

Selected references.

Zumpt (1965: 125); Grunin (1969: 48); Pont (1973: 698); James (1974: 96); Kettle (1974); Soós and Minář (1986: 238); Cogley (1991b); Escartin and Bautista (1993); Xue and Wang (1996: 2210); Otranto et al. (2005); Colwell et al. (2006: 4); Colwell et al. (2007); Felix et al. (2007); Güiris et al. (2010); Ganjali and Keighobadi (2016); Zhang et al. (2016); Li et al. (2018); Yan et al. (2019).

Diagnosis.

Facial plate bare. Wing partly infuscate, with darkened patches with ill-defined edges; crossvein dm-cu situated almost opposite of crossvein r-m. Meron with unmodified setae. Legs yellow, with more or less dark coloration on tarsus; hind trochanter with a spatulate process in male and a tubercle in female. Abdomen ground color yellow in both male and female. Male cercus elongated and broad, length-width ratio around 1.5; surstylus mainly yellow with black coloration apically, and a rounded apex; processi longi elongated. Female abdominal segment 7 distinctly longer than broad, sternite 8 longitudinally ridged in the middle and with a scallop-shaped apex.

Material examined.

CHINA • - Inner Mongolia • 13♂♂, 26♀♀; Chifeng; Zhaowuda League, Right Banner; 13 Jun.-17 Sep. 1960; collector unknown; IOZ • 1♀; Hulunbeir; Genhe; 13 Aug. 1971; collector unknown; IOZ • 1♀; Hulunbeir; Yakeshi; 19 Aug. 1971; collector unknown; IOZ • 1♀; Hailaer; 23 Aug. 1971; collector unknown; IOZ • 1♀; Hulunbeir; Yakeshi; Boketu; 28 Aug 1971; collector unknown; IOZ • 1♀; Ulanqab; Temurtei; 29 Aug. 1971; collector unknown; IOZ • 7♂♂; Ulanqab; Temurtei; 29 Aug. 1971; collector unknown; IOZ • 2♀♀; Ulanqab, Temurtei; 30 Aug. 1971; collector unknown; IOZ. - Heilongjiang Prov. • 2♂♂, 2♀♀; Anda; 26-27 Aug. 1965; collector unknown; IOZ • 3♀♀; Qiqihar, Fuyu County; 15 Jun.-26 Aug. 1966; collector unknown; IOZ • 1♀; Daqing, Lamadian County; 15 Aug. 1969; collector unknown; IOZ • 1♀; locality as for preceding; 17 Sep. 1969; collector unknown; IOZ • 1♀; Qiqihar, Tailai County, Jiangning; 20 Jun. 1970; collector unknown; IOZ • 5♂♂, 1♀; Mudanjiang, Ning’an; 2 Sep. 1970; collector unknown; IOZ. - Beijing • 1♀; Yanqing County; 4 Aug. 1970; collector unknown; IOZ. - Tibet Autonomous Region • 1♂; Xinglin; 2550 m; 18 Aug. 1974; collector unknown; IOZ. - Sichuan Prov. • 1♀; Aba Autonomous Prefecture, Hongyuan County; 3700 m; 27 Aug. 1983; collector unknown; IOZ • 1♀; locality as for preceding; 3500 m; 28 Aug. 1983; collector unknown; IOZ • 1♂, 4♀♀; Ruoergai County; 30 Aug.-1 Sep. 1983; collector unknown; IOZ. • 1♀; no further data; MNHN.

Hosts.

Domestic horse ( E. ferus caballus), donkey ( E. africanus asinus), Mongolian wild ass ( E. hemionus hemionus), wild horse ( E. przewalskii ).

Distribution.

Afrotropical - Burkina Faso, Chad, Eritrea, Ethiopia, Ghana, Kenya, Morocco, Nigeria, Republic of the Congo, Senegal, South Africa, Sudan, Tanzania. Australasian - Australia (New South Wales, Norfolk I, Tasmania), Hawaii, New Zealand. Nearctic - Canada (Alberta, British Columbia, Manitoba, New Brunswick, Ontario, Quebec, Saskatchewan), Mexico (Aguascalientes, Chiapas), USA (Arizona, California, Colorado, Connecticut, Idaho, Illinois, Iowa, Kansas, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, South Dakota, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, Wyoming). Neotropical - Argentina (no further data), Brazil (Rio Grande do Sul), Chile ( Bío Bío Region), Jamaica, Venezuela. Oriental - India. Palaearctic - Bangladesh, Belgium, China (Beijing, Gansu, Heilongjiang, Inner Mongolia, Qinghai, Shanxi, Shaanxi, Sichuan, Tibet, Xinjiang, Yunnan), Czech Republic, Denmark, Egypt, Finland, France (incl. Corsica), Germany, Hungary, Ireland, Iran, Italy (incl. Sicily), Jordan, Lithuania, Mongolia, Norway, Pakistan, Poland, Romania, Slovak Republic, Sweden, Switzerland, The Netherlands, Turkey, Ukraine, United Kingdom.

Figures

Figure 2. Left lateral view of habitus (A, D, G), head and thorax (B, E, H), and head in frontal view (C, F, I) of Gasterophilus species A-C Male G. intestinalis (De Geer) China (in MBFU) D-F Female G. meridionalis (Pillers & Evans); South Africa (in KZNM) G-I Male G. nasalis (Linnaeus) China (in MBFU). Scale bars: 1 mm (A-E, I); 0.5 mm (F).

Figure 5. Dorsal view of habitus (A, C, E) and head and and thorax (B, D, F) of male Gasterophilus species A, B Male G. intestinalis (De Geer) C, D Female G. meridionalis (Pillers & Evans) E, F Male G. nasalis (Linnaeus). Scale bars: 1 mm (A-F).

Figure 8. 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. intestinalis (De Geer); China (in MBFU) D-F G. nasalis (Linnaeus); China (in MBFU). Scale bars: 1 mm (A, B, D, E); 0.5 mm (C, F).

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 12. Dorsal (A, D), left lateral (B, E) and posterior (C, F) view of male genitalia of Gasterophilus species A-C G. intestinalis (De Geer) D-F G. nasalis (Linnaeus). Scale bars: 0.5 mm (A-F).

Figure 15. Dorsal (A, D, G), left lateral (B, E, H) and ventral (C, F, I) view of female genitalia of Gasterophilus species A-C G. intestinalis (De Geer) D-F G. meridionalis (Pillers & Evans) G-I G. nasalis (Linnaeus). Scale bars: 0.5 mm (A-I).

Figure 17. Right lateral (A, E, I, M) and ventral (B, F, J, N) view, micropyle (C, G, K, O) and ultrastructural details of plastron (D, H, L, P) of eggs in Gasterophilus species A-D G. flavipes (Olivier) E-H G. haemorrhoidalis (Linnaeus) I-L G. inermis (Brauer) M-P G. intestinalis. Abbreviations: api, apical; dor, dorsal; ven, ventral. Scale bars: 100 μm (A, B, I-J, M, - N), 50 μm (in box of B), 100 μm (in box of I); 20 μm (C); 5 μm (D); 250 μm (E, F), 20 μm (in box of F); 50 μm (G, O); 25 μm (H); 10 μm (K, L, P).