Hostname: page-component-cd9895bd7-7cvxr Total loading time: 0 Render date: 2024-12-22T18:56:38.741Z Has data issue: false hasContentIssue false

Migration of parasitoids (Hymenoptera: Braconidae) of cereal aphids (Hemiptera: Aphididae) between grassland, early-sown cereals and late-sown cereals in southern England

Published online by Cambridge University Press:  10 July 2009

V. T. Vorley
Affiliation:
Department of Biology, Building 44, The University, Southampton, SO9 5NH, UK
S. D. Wratten
Affiliation:
Department of Biology, Building 44, The University, Southampton, SO9 5NH, UK

Abstract

The dynamics of migration of the parasitoids Aphidius spp. between grassland and cereal fields of varying sowing dates was investigated in southern England in 1980 and 1981. Using baffled water traps, direct evidence of migration of A. rhopalosiphi De Stefani Perez females from grassland to winter wheat was obtained in June 1980, suggesting that the early-maturing grassland aphid Metopolophium festucae (Theobald) can act as a reservoir of cereal aphid parasitoids. In 1981, estimates of parasitoid production in cereal fields containing the aphids Sitobion avenae (F.), M. dirhodum (Walker) and Rhopalosiphum padi (L.) were compared with actual numbers to calculate net immigration and emigration. Barley and early-sown wheat (drilled before 14 October) proved to be significant sources of Aphidius spp., with one wheat field generating sufficient parasitoids in May to account for immigration into about 25 late-sown fields. Parasitoid migration as larvae inside aphid alatae was apparently of considerably less significance than that by adults, which were predominantly female. The advantages of early drilling of cereals to form ‘semi perennial’ reservoirs of beneficial insects is discussed and weighed against the corresponding disadvantages, especially an increased risk of barley yellow dwarf virus (BYDV).

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1987

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

A'Brook, J. (1974). Barley yellow dwarf virus: what sort of a problem?Ann. appl. Biol. 77, 9296.CrossRefGoogle Scholar
Arthur, D. R. (1944). Aphidius granarius, Marsh., in relation to its control of Myzus Kaltenbachi, Schout.—Bull. ent. Res. 35, 257270.CrossRefGoogle Scholar
Arthur, D. R. (1945). The development of artificially introduced infestations of Aphidius granarius, Marsh., under field conditions.—Bull. ent. Res. 36, 291295.CrossRefGoogle Scholar
Cameron, P. J., Powell, W. & Loxdale, H. D. (1984). Reservoirs for Aphidius ervi Haliday (Hymenoptera: Aphidiidae), a polyphagous parasitoid of cereal aphids (Hemiptera: Aphididae).—Bull. ent. Res. 74, 647656.CrossRefGoogle Scholar
Chambers, R. J., Sunderland, K. D., Stacey, D. L. & Wyatt, I. J. (1982). A survey of cereal aphids and their natural enemies in winter wheat in 1980.—Ann. appl. Biol. 101, 175178.Google Scholar
Chua, T. H. (1975). Population studies of the cabbage aphid, Brevicoryne brassicae (L.), and its parasites, with special reference to synchronisation.—D.I.C. thesis, Imp. Coll. Sci. & Technol. 47 pp.Google Scholar
Chua, T. H. (1977). Population studies of Brevicoryne brassicae (L.), its parasites and hyperparasites in England.—Researches Popul. Ecol. 19, 125139.CrossRefGoogle Scholar
Coon, B. F. & Rinick, H. B. Jr. (1962). Cereal aphid capture in yellow baffle trays.—J. econ. Ent. 55, 407408.CrossRefGoogle Scholar
Dent, D. R. & Wratten, S. D. (1986). The host-plant relationships of apterous virginoparae of the grass aphid Metopolophium festucae cerealium.—Ann. appl. Biol. 108, 567576.CrossRefGoogle Scholar
Dewar, A. M. & Carter, N. (1984). Decision trees to assess the risk of cereal aphid (Hemiptera: Aphididae) outbreaks in summer in England.—Bull. ent. Res. 74, 387398.CrossRefGoogle Scholar
Doodson, J. K. (1967). A survey of barley yellow dwarf virus in S.24 perennial ryegrass in England and Wales, 1966.—Pl. Path. 16, 4245.CrossRefGoogle Scholar
Dransfield, R. D. (1975). The ecology of grassland and cereal aphids.—Ph.D. thesis, Univ. London. 231 pp.Google Scholar
Force, D. C. & Messenger, P. S. (1968). The use of laboratory studies of three hymenopterous parasites to evaluate their field potential.—J. econ. Ent. 61, 13741378.CrossRefGoogle Scholar
Hand, S. D. (1982). Overwintering and dispersal of cereal aphids.—Ph.D. thesis, Univ. Southampton. 423 pp.Google Scholar
Johnson, B. (1959). Effect of parasitization by Aphidius platensis Brèthes on the developmental physiology of its host, Aphis craccivora Koch.—Entomologia exp. appl. 2, 8299.CrossRefGoogle Scholar
Kendall, D. A., Smith, B. D., Hazell, S., Mathias, L., Hammock, P., Chinn, N., March, C., Young, J., Smith, T. A., Best, G. R. & Miles, D. M. (1980). Cereal aphids and spread of barley yellow dwarf virus (BYDV).—Rep. Long Ashton Res. Sta. 1979, 123124.Google Scholar
Mackauer, M. (1976). The sex ratio in field populations of some aphid parasites.—Ann. ent. Soc. Am. 69, 453456.CrossRefGoogle Scholar
Perrin, R. M. (1975). The role of the perennial stinging nettle, Urtica dioica, as a reservoir of beneficial natural enemies.—Ann. appl. Biol. 81, 289297.CrossRefGoogle Scholar
Perrin, R. M. (1977). Pest management in multiple cropping systems.—Agro-Ecosystems 3, 93118.CrossRefGoogle Scholar
Plumb, R. T. (1977). Aphids and virus control in cereals.—pp. 903–913 in Proceedings of the 1977 British Crop Protection Conference—Pests and Diseases (9th British Insecticide and Fungicide Conference), 21st-24th November 1977, Hotel Metropole, Brighton, England. Vol. 3.—pp. 6571045. Croydon, UK, Br. Crop Prot. Coun.Google Scholar
Shirota, Y., Carter, N., Rabbinge, R. & Ankersmit, G. W. (1983). Biology of Aphidius rhopalosiphi, a parasitoid of cereal aphids.—Ent. exp. appl. 34, 2734.CrossRefGoogle Scholar
Starý, P. (1972). Host range of parasites and ecosystem relations, a new viewpoint in multilateral control concept (Hom., Aphididae; Hym., Aphidiidae).—Annls Soc. ent. Fr. (N.S.) 8, 351358.CrossRefGoogle Scholar
Starý, P. (1978 a). Seasonal relations between lucerne, red clover, wheat and barley agro-ecosystems through the aphids and parasitoids (Homoptera, Aphididae; Hymenoptera, Aphidiidae).—Acta entomol. bohemoslov. 75, 296311.Google Scholar
Starý, P. (1978 b). Spécificité parasitaire. Phénologie des hôtes et relations entre les agroécosystèmes dans les programmes de lutte contre les insectes nuisibles (Hyménoptères: aphidiides).—Ann. Zool., Ecol. Anim. 10, 335343.Google Scholar
Starý, P. & Lyon, J. P. (1980). Acyrthosiphon pisum ononis (Homoptera, Aphididae) and Ononis species as reservoirs of aphid parasitoids (Hymenoptera, Aphidiidae).—Acta entomol. bohemoslov. 77, 6575.Google Scholar
Suter, H. & Keller, S. (1977 a). Ökologische Untersuchungen an feldbaulich wichtigen Blattlausarten als Grundlage für eine Befallsprognose.—Z. angew. Ent. 83, 371393.CrossRefGoogle Scholar
Suter, H. & Keller, S. (1977 b). Richtlinien für die Durchführung einer mittelfristigen Blattlausprognose in Feldkulturen.—Mitt. schweiz. Landw. 25, 6569.Google Scholar
Van den Bosch, R., Schlinger, E. I., Lagace, C. F. & Hall, J. C. (1966). Parasitization of Acyrthosiphon pisum by Aphidius smithi, a density-dependent process in nature (Homoptera: Aphididae) (Hymenoptera: Aphidiidae).—Ecology 47, 10491055.CrossRefGoogle Scholar
Van den Bosch, R., Lagace, C. F. & Stern, V. M. (1967). The interrelationship of the aphid, Acyrthosiphon pisum, and its parasite, Aphidius smithi, in a stable environment.—Ecology 48, 9931000.CrossRefGoogle Scholar
Vickerman, G. P. (1977). Monitoring and forecasting insect pests of cereals.—pp. 227–234 in Proceedings of the 1977 British Crop Protection Conference—Pests and Diseases (9th British Insecticide and Fungicide Conference), 21st-24th November 1977, Hotel Metropole, Brighton, England. Vol. 3.—pp. 6571045. Croydon, UK, Br. Crop Prot. Coun.Google Scholar
Vickerman, G. P. (1982 a). Distribution and abundance of cereal aphid parasitoids (Aphidius spp.) on grassland and winter wheat.—Ann. appl. Biol. 101, 185190.Google Scholar
Vickerman, G. P. (1982 b). Distribution and abundance of adult Opomyza florum (Diptera: Opomyzidae) in cereal crops and grassland.—Ann. appl. Biol. 101, 441447.CrossRefGoogle Scholar
Vorley, W. T. (1983). The effects of parasitic Hymenoptera on cereal aphid population development.—Ph.D. thesis, Univ. Southampton. 417 pp.Google Scholar
Vorley, W. T. (1986). The activity of parasitoids (Hymenoptera: Braconidae) of cereal aphids (Hemiptera: Aphididae) in winter and spring in southern England.—Bull. ent. Res. 76, 491504.CrossRefGoogle Scholar
Vorley, W. T. & Wratten, S. D. (1985). A simulation model of the role of parasitoids in the population development of Sitobion avenae (Hemiptera: Aphididae) on cereals.—J. appl. Ecol. 22, 813823.CrossRefGoogle Scholar
Way, M. J. (1977). Pest and disease status in mixed stands vs. mono-cultures; the relevance of ecosystem stability.—pp. 127138in Cherrett, J. M. & Sagar, G. R. (Eds.). Origins of pest, parasite, disease and weed problems.—413 pp. Oxford, Blackwell Scientific.Google Scholar
Wiackowski, S. K. (1962). Studies on the biology and ecology of Aphidius smithi Sharma & Subba Rao (Hymenoptera, Braconidae), a parasite of the pea aphid, Acyrthosiphon pisum (Harr.) (Homoptera, Aphididae).—Polskie Pismo ent. 32, 253310.Google Scholar