【摘要】 经初步调查,发现贵州果树害螨的捕食性螨类——益螨约30种,分属9个科,重要种类属植绥螨科和长须蝴科。本文给出了常见科和主要种的检索表。总结了主要益螨类群的田间发生情况、特点以及不同地区优势种组合的差异,并对它们控制害螨种群的作用和应用前景作了扼要评述。更多还原

【Abstract】 Predatory mites, which are near to 30 species, belonging to 9 families have been found in the orchards of Guizhou through investigating in recent years. The key to these families and important species,which are those of Phtoseiidae and Stigmaeidae,is given in present paper.The actual variations of population of main useful species are described detailedly. The composition of dominant species is different according to the areas or orchards.Their effects and potentialities of inhabiting the population of pest mites are evaluated simply.更多还原