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Download Mites of greenhouses : identification, biology and control by Zhi-Qiang Zhang PDF

By Zhi-Qiang Zhang

Mites are one of the most crucial arthropods in greenhouses, either as pests inflicting fiscal damage to greenhouse plants, and as usual enemies utilized in the organic keep an eye on of pest bugs and different mites. due to their minute dimension, mites are less popular than bugs. This publication describes the biology, id and keep watch over of such mites and the themes lined comprise an creation to the Acari, illustrated keys to orders, households and chosen species, the keep an eye on of pest mites, and the function of worthwhile mites in organic keep an eye on. The publication could be of curiosity to these operating in entomology, crop defense and horticulture.

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Additional resources for Mites of greenhouses : identification, biology and control

Sample text

O. (1992) Principles of Acarology. CAB International, Wallingford, UK. 563 pp. Gerson, U. L. (1990) Acarine Biocontrol Agents: An Illustrated Key and Manual. Chapman and Hall, London. 174 pp. L. and Ochoa, R. (2003) Mites (Acari) for Pest Control. Blackwell Science LTD, Cambridge. 539 pp. S. ) (1978) Handbook for the Identifcation of Soil-inhabiting Mites, Trombidiformes. Zoological Institute of the Academy of Science, SSSR, Leningrad. 271 pp. [in Russian]. S. G. (eds) (1977) Handbook for the Identifcation of Soilinhabiting Mites, Mesostigmata.

Most mite specimens can be cleared in lactophenol or lactic acid for a week or so at room temperature. Smaller and soft-bodied mites require less time. To facilitate maceration of big mites, it is advisable to puncture the body using a fine insect pin. Maceration can also be greatly accelerated by heating the specimen in the clearing agent on a hot plate. Specimens can be cleared very quickly this way (in hours or minutes depending on temperatures of the hot plate and the size and sclerotization of the mite) and care should be taken that the specimen is not overcleared.

Rust mites and other free-living eriophyid mites can be collected by pouring a thin syrup of sorbitol (made of a 25% solution of isopropyl alcohol with a few iodine crystals) over the leaf or other plant part in a small container, which can be examined under a microscope. Gall mites can be collected by picking plant parts from the plant and putting them into small paper bags for later examination. Gall mites are best preserved as dried material in paper bags. These mummified mites can easily be recovered and made into good slides after many years.

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