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Relations between Typhlodromus caudiglans Schuster (Acarina: Phytoseiidae) and Phytophagous Mites in Ontario Peach Orchards1

Published online by Cambridge University Press:  31 May 2012

Wm. L. Putman
Affiliation:
Entomology Laboratory, Research Branch, Canada Department of Agriculture, Vineland Station, Ontario
D. H. G. Herne
Affiliation:
Entomology Laboratory, Research Branch, Canada Department of Agriculture, Vineland Station, Ontario

Abstract

In peach orchards undisturbed by pesticides and where phytophagous mites were at endemic densities, spring populations of Typhlodromus caudiglans were small and remained so during early summer until phytophagous mites, especially Aculus cornutus, began to increase. T. caudiglans reached maximal densities in September. In such orchards T. caudiglans appears to be an important factor in maintaining Panonychus ulmi at low density levels. On trees where DDT applied the previous year had caused P. ulmi to build up and which could be repopulated by T. caudiglans from neighbouring trees, the predator increased very rapidly but appeared to reach an upper limit of density fixed by intrinsic factors, possibly cannibalism. Under these conditions T. caudiglans could not bring P. ulmi to endemic densities in one season, though it appeared to slow the mite’s rate of increase and to reduce its maximal seasonal density.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1964

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References

Anderson, N. H., and Morgan, C. V. G.. 1958. The role of Typhlodromus spp (Acarina: Phytoseiidae) in British Columbia apple orchards. Proc. 10th int. Congr. Ent. Montreal (1956) 4: 659665.Google Scholar
Balch, R. E. 1960. The approach to biological control in forest entomology. Canad. Ent. 92: 297310.CrossRefGoogle Scholar
Chant, D. A. 1960. Phytoseiid mites (Acarina: Phytoseiidae). Part I. Bionomics of seven species in southeastern England. Canad. Ent. 91, Suppl. 12: 144.Google Scholar
Chant, D. A. 1961a. An experiment in biological control of Tetranychus telarius (L.) (Acarina: Tetranychidae) in a greenhouse using the predacious mite Phytoseiulus persimilis Athias-Henriot (Phytoseiidae). Canad. Ent. 94: 438443.Google Scholar
Chant, D. A. 1961b. The effect of prey density on prey consumption and oviposition in adults of Typhlodromus (T.) occidentalis Nesbitt (Acarina: Phytoseiidae) in the laboratory. Canad. J. Zool. 39: 311315.CrossRefGoogle Scholar
Chant, D. A. 1963. Some mortality factors and the dynamics of orchard mites. In Population dynamics of agricultural and forest insect pests. Mem. ent. Soc. Can. 32: 3340.Google Scholar
Chant, D. A., and Fleshner, C. A.. 1960. Some observations on the ecology of phytoseiid mites (Acarina: Phytoseiidae) in California. Entomophaga 5: 131139.CrossRefGoogle Scholar
Clancy, D. W., and McAlister, H. J.. 1958. Effects of spray practices on apple mites and their predators in West Virginia. Proc. 10th int. Congr. Ent. Montreal (1956) 4: 597601.Google Scholar
Collier, E. 1960. The control of phytophagous mites on fruit. Sci. Rev. 20: 3335.Google Scholar
DeBach, P. 1946. An insecticidal check method for measuring the efficacy of entomophagous insects. J. econ. Ent. 39: 695697.CrossRefGoogle ScholarPubMed
Dosse, G. 1957. Über einige Factoren, die den Aufbau einer Typhlodromus–population bestimmen (Acar., Phytoseiidae). Anz. Schädlingsk. 30: 2325.Google Scholar
Dosse, G. 1960. Über den Einfluss der Raubmilbe Typhlodromus tiliae Oud. auf die Obstbaumspinnmilbe Metatetranychus ulmi Koch (Acari). PflSchBer. 24: 113137.Google Scholar
Dosse, G. 1961. Über die Bedeutung der Pollennahrung für Typhlodromus (T.) pyri Scheuten (= tiliae Oud.) (Acari, Phytoseiidae). Ent. exp. et applic. 4: 191195.CrossRefGoogle Scholar
Foott, W. H. 1963. Competition between two species of mites. II. Factors influencing intensity. Canad. Ent. 95: 4557.CrossRefGoogle Scholar
Herbert, H. J. 1962. Overwintering females and the number of generations of Typhlodromus (T.) pyri Scheuten (Acarina: Phytoseiidae) in Nova Scotia. Canad. Ent. 94: 233242.CrossRefGoogle Scholar
Herne, D. H. C., and Putman, W. L.. 1960. Notes on the life-history and habits of the brown mite, Bryobia arborea Morgan and Anderson (Acarina: Tetranychidae), on peach in Ontario. Canad. Ent. 92: 775779.CrossRefGoogle Scholar
Holling, C. S. 1959. The components of predation as revealed by a study of small-mammal predation of the European pine sawfly. Canad. Ent. 91: 293307.CrossRefGoogle Scholar
LeRoux, E. J., and Reimer, C.. 1959. Variation between samples of immature stages, and of mortalities from some factors, of the eye-spotted bud moth, Spilonota ocellana (D. & S.) (Lepidoptera: Olethreutidae), and the pistol casebearer, Coleophora serratella (L.) (Lepidoptera: Coleophoridae), on apple in Quebec. Canad. Ent. 91: 428449.CrossRefGoogle Scholar
Lord, F. T., Herbert, H. J., and MacPhee, A. W.. 1958. The natural control of phytophagous mites on apple trees in Nova Scotia. Proc. 10th int. Congr. Ent., Montreal (1956) 4: 617622.Google Scholar
Morris, R. F. 1955. The development of sampling techniques for forest insect defoliators, with particular reference to the spruce budworm. Canad. J. Zool. 33: 255294.CrossRefGoogle Scholar
Morris, R. F. 1957. The interpretation of mortality data in studies on population dynamics. Canad. Ent. 89: 4969.CrossRefGoogle Scholar
Morris, R. F. et al. , 1958. The population dynamics of the spruce budworm in eastern Canada. Proc. 10th int. Congr. Ent., Montreal (1956) 4: 137149.Google Scholar
Putman, W. L. 1959. Hibernation sites of phytoseiids (Acarina: Phytoseiidae) in Ontario peach orchards. Canad. Ent. 91: 735741.CrossRefGoogle Scholar
Putman, W. L. 1962. Life-history and behaviour of the predacious mite Typhlodromus caudiglans Schuster (Acarina: Phytoseiidae) in Ontario, with notes on the prey of related species. Canad. Ent. 94: 163177.CrossRefGoogle Scholar
Putman, W. L. 1963. Lack of effect of DDT on fecundity and dispersion of the European red mite, Panonychus ulmi (Koch) (Acarina: Tetranychidae), in peach orchards. Canad. J. Zool. 41: 603610.CrossRefGoogle Scholar
Putman, W. L., and Herne, D. C.. 1958. Natural control of phytophagous mites (Tetranychidae and Eriophyidae) in Ontario peach orchards. Proc. 10th int. Congr. Ent., Montreal (1956) 4: 667673.Google Scholar
Putman, W. L., and Herne, D. C.. 1959. Gross effects of some pesticides on populations of phytophagous mites in Ontario peach orchards and their economic implications. Canad. Ent. 91: 568579CrossRefGoogle Scholar
Smith, H. S. 1935. The role of biotic factors in the determination of population densities. J. econ. Ent. 28: 873898.CrossRefGoogle Scholar
Snedecor, G. W. 1956. Statistical methods. Fifth ed. Iowa State Coll. Press, Ames, Iowa.Google Scholar
Solomon, M. E. 1949. The natural control of animal populations. J. Anim. Ecol. 18: 135.CrossRefGoogle Scholar
Wodehouse, R. P. 1935. Pollen Grains. McGraw-Hill Book Company, Inc., New York.Google Scholar