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2012年在贵州5个代表性地区进行了蔬菜叶螨种类及寄主调查,并采用五点取样法对叶螨优势种年发生消长规律进行研究。结果表明,5个代表性地区蔬菜叶螨有1科3属5种。其中,二斑叶螨是蔬菜田优势种,主要为害豆科、茄科和葫芦科蔬菜。方差分析表明,在同一地区,二斑叶螨在豇豆、茄子和丝瓜上发生的螨口数无显著性差异,而在辣椒上平均每片叶螨口数量仅为4头左右,极显著低于茄子上的发生螨口数量,之间差异达极显著水平。说明二斑叶螨对豇豆、茄子及丝瓜嗜食性强,对辣椒嗜食性弱。二斑叶螨在6月初开始发生,6月中、下旬螨口数量迅速增加,7、8月份达全年高峰期,9月份后螨口锐减。
In 2012, the species and hosts of spider mites were surveyed in five representative areas in Guizhou Province. The five-point sampling method was used to study the growth and decline of the dominant species of spider mites. The results showed that there were 5 species of 1 genera, 3 genera and 5 species of spider mites in five representative areas. Among them, two-spotted spider mite is the dominant species of vegetable fields, mainly affected leguminous, Solanaceae and Cucurbitaceae vegetables. Analysis of variance showed that in the same area, there was no significant difference in the number of mites between the two-spotted spider mites in cowpea, eggplant and loofah, while the average number of mite per leaf in pepper was only about 4, which was significantly lower than eggplant On the occurrence of mite population, the difference between the extremely significant level. Description two-spotted spider mite on cowpea, eggplant and loofah, addicted to the poor, addictive to pepper. Two-spotted spider mites began to occur in early June. In mid-June, the number of mite pops rapidly increased. In July and August reached the peak of the year, the mites were sharply reduced after September.