Hanks L M, McCelfresh J S, Millar J G, Paine T D
Department of Entomology, University of California, Riverside 92521.
J Econ Entomol. 1992 Jun;85(3):683-6. doi: 10.1093/jee/85.3.683.
The ectoparasitic mite Pyemotes tritici (Lagrèze-Fossat & Montané) (Acari: Pyemotidae) caused paralysis and reduced longevity in eucalyptus longhorned borer, Phoracantha semipunctata F., under laboratory rearing conditions. Application of dusting sulfur to logs that contained pupating borers greatly reduced densities of mites on emerging adult beetles and increased beetle survivorship. Uniform application to all logs in a glasshouse effectively eradicated the mite infestation. A bioassay showed that sulfur may physically impede the dispersal of immature mites by adhering to the cuticle, but sulfur vapor did not act as a toxin.
外寄生螨小麦蒲螨（Lagrèze-Fossat & Montané）（蜱螨亚纲：蒲螨科）在实验室饲养条件下，会导致桉木长角天牛半刻点胸天牛麻痹并缩短其寿命。在含有化蛹天牛的原木上撒施硫磺粉，可大幅降低羽化后成虫身上的螨虫密度，并提高天牛的存活率。在温室中对所有原木均匀施药可有效根除螨虫感染。生物测定表明，硫磺可能通过附着在表皮上物理阻碍未成熟螨虫的扩散，但硫磺蒸汽并非毒素。
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