• Tobacco whitefly

  and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking [...] especially. The tobacco whitefly ( Bemisia tabaci ) is feared because of its high level of resistance to many insecticides and its propensity for the transmission [...] second, third and fourth larval stage (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae are found on the underside

• Mealybugs and scales

  leads to sooty mould. Infestations reduce plant vigor, fruit quality and overall yield. Effective control of mealybugs and scales is essential to maintain [...] scales (family Diaspididae) form three important families within the superfamily Coccoidea. This superfamily belongs to the order Hemiptera (the true bugs [...] fruit are concerned, these often drop off; plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein, mealybugs must

• Phytoseiulus persimilis

  outbreak is quickly and effectively dealt with, but the disadvantage is that it disappears rapidly in the absence of suitable prey. When prey is in short [...] persimilis is sensitive to relative humidity below 70%. Phytoseiulus persimilis in bottles The predatory mite Phytoseiulus persimilis is available in [...] The predatory mite Phytoseiulus persimilis is by far the most important natural enemy of Two-spotted spider mite (Tetranychus urticae) and has been used