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Studies on the Ox Warble Flies, Hypoderma lineatum and Hypoderma bovis

Published online by Cambridge University Press:  10 July 2009

W. J. Bevan  and
E. E. Edwards
W. J. Bevan
Affiliation:
Advisory and Research Department in Agricultural Zoology, University College, Cardiff,
E. E. Edwards
Affiliation:
Department of Zoology, University College of the Gold Coast, West Africa.
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Extract

A historical account of the Ox Warble Flies, Hypoderma lineatum and H. bovis, is given and the economic importance of the two species is discussed. Certain aspects of their biology and control have been studied over a period of several years in South Wales culminating in intensive investigations in the years 1945 and 1946.

The adults of H. lineatum emerge from their puparia in early May and those of H. bovis a month later. The adults of both species in their persistent endeavours to oviposit, worry cattle, whenever the weather is sunny and calm, from the end of May to early September but they tend to avoid the vicinity of water and shade.

The degree of incidence is high in Britain, at least in South Wales, judging by the larval populations present in the backs of cattle. Over 80 per cent. of the cattle included in the surveys conducted in 1945 and 1946 harboured infestations of varying intensity; in one case 152 larvae were recorded on a Shorthorn heifer.

The larvae spend, on an average basis, 42·5 days in the subcutaneous tissues of the backs of their hosts. They begin to depart in order to pupate much earlier than is normally assumed to be the case in Britain, more particularly in Worcestershire, where the proportion of larvae pupating prior to March 28th was as low as 1·4 per cent. compared with over 20 per cent. in the present studies.

The marked variations commonly observed in the seasonal incidence of the larvae in their final instars on cattle are correlated with the relative prevalence of the two species in different districts.

The incidence of both species, judging by the intensity of infestations, is associated with the topographical conditions of the locality. For instance, herds on upland pastures are generally less liable to severe attacks than those on lowland farms.

Cattle under three years old normally carry much heavier infestations of the larvae of both species than those exceeding this age when kept under identical conditions during the oviposition period.

Diphenyl-dichloro-trichlorethane and benzene hexachloride preparations are ineffective for destroying the larvae, at least in their final instars, but emulsions of the former insecticide when applied in the form of a spray to the legs and flanks of cattle during the period of oviposition proved highly promising and warrant further investigations.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 41 , Issue 4 , May 1951 , pp. 639 - 662
Copyright
Copyright © Cambridge University Press 1951

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References

Blagoveshchenskii, D. I. & Pavlovskiǐ, V. N. (1930). Zur Biologie und Bekämpfung von Hypoderma bovis Deg.—Rep. appl. Ent., Leningrad, 4, p. 371. (Rev. appl. Ent., (B) 19, p. 115.)Google Scholar
Brauer, F. (1863). Monographie der Oestriden. Vienna.CrossRefGoogle Scholar
Brauer, F. (1875). Beschreibung neuer u. ungenügend bekannter Phryganiden u. Oestriden.—Verh. zool. bot. Ges. Wien, 1875, p. 75.Google Scholar
Brauer, F. (1890). Ueber die Feststellung des Wohnthieres der H. lineata, Villers.—Verh. zool. bot. Ges. Wien, 40, p. 75.Google Scholar
Carpenter, G. H., Hewitt, T. R. & Reddin, T. K. (1914). The Warble Flies.—J. Dep. Agric. Ire., 15, p. 105.Google Scholar
Carpenter, G. H. & Steen, J. W. (1908). The Warble Fly. Experiments on cattle as to its treatment and life history.—J. Dep. Agric. Ire. 8, p.277.Google Scholar
Clark, B. (1797). Observations on the genus Oestrus. Trans. Linn. Soc. Lond., 3, p. 289.CrossRefGoogle Scholar
Clark, B. (1815). An essay on the Bots of horses, and other animals. London.CrossRefGoogle Scholar
Davies, W. M. (1930). The control of Warble Flies in North Wales.—J. Minst. Agric., 37, p. 862.Google Scholar
Gaut, R. C. (1930). Ox Warble Fly. Report on the demonstrations and experiments in 1930.—47 pp. Worcester, Agric. Educ. Sub-Comm.Google Scholar
Gaut, R. C. & Walton, C. L. (1929). Ox Warble Fly. Report on the demonstration and experiments carried out in Worcestershire in 1928 and 1929.—26 pp. Worcester, Agric. Educ. Sub-Comm.Google Scholar
De Geer, C. (1776). Mémoires pour servir à l'Histoire des Insectes, 6, p. 297.Google Scholar
Hawden, S. (1915a). Warble Flies. A further contribution on the biology of Hypoderma lineatum and H. bovis.—Parasitology, 7, p. 331.Google Scholar
Hawden, S. (1915b). Warble Fly Experiments.—Amer. vet. Rev., 47, p. 453.Google Scholar
Hinrichsen, (1888). Ueber einen neuen Parasiten im Rükenmarkskanal des Rindes.—Arch. wiss. prakt. Tierheilk., 14, p. 219.Google Scholar
Joly, N. (1846). Recherches …sur les Oestrides….—Ann. Sci. phys. nat. Lyon, 9, p. 157.Google Scholar
Latreille, P. A. (1825). Families naturelles du Règne animal. Paris.Google Scholar
Macdougall, R. S. (1934). Ox Warble Flies.—Trans. Highl. agric. Soc. Scot., 1934, repr., 90 pp.Google Scholar
Ormerod, E. A. (1885–1895). Reports of Observations of Injurious Insects. London. 1884–94.Google Scholar
De Réaumur, R. A. F. (1738). Mémoires pour servir à l'Histoire des Insectes, 4, p. 503.Google Scholar
Riley, C. V. (1892). The Ox Bot in the United States.—Insect Life, 4, p. 302.Google Scholar
Vallisnieri, A. (1733). Opere (fisico-mediche…), 1, p. 28.Google Scholar
De Villers, C. J. (1789). C. Linnaei Entomologia Faunae Suecicae…, 3, p. 349.Google Scholar
Walton, C. L. (1925). Notes on Warble Flies in North Wales.—Welsh J. Agric., 1, p. 195.Google Scholar
Warburton, C. (1922). The Warble Flies of Cattle, Hypoderma bovis and H. lineatum.—Parasitology, 14, p. 322.CrossRefGoogle Scholar
The Warble Fly (Dressing of Cattle) Order of 1936.—S.R.O. 1936, No. 71. London, 1936.Google Scholar