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2. Insecticidal soap - Wikipedia

   en.wikipedia.org/wiki/Insecticidal_soap

   Insecticidal soap works best on soft-bodied insects and other arthropods such as [7] [4] aphids, adelgids, mealybugs, spider mites, thrips, jumping plant lice, scale insects, whiteflies, and sawfly larvae. It can also be used for caterpillars and leafhoppers, but these large-bodied insects can be more difficult to control with soaps alone.

3. Icerya purchasi - Wikipedia

   en.wikipedia.org/wiki/Icerya_purchasi

   Icerya purchasi (common name: cottony cushion scale) is a scale insect that feeds on more than 80 families of woody plants, [1] most notably on Citrus and Pittosporum. Originally described in 1878 from specimens collected in New Zealand as pests of kangaroo acacia and named by W.M. Maskell "after the Rev. Dr. Purchas who, [he] believe[d], first ...

4. White oil - Wikipedia

   en.wikipedia.org/wiki/White_oil

   White oil is an insecticide spray used for controlling a wide range of insect pests in the garden. The spray works by blocking the breathing pores of insects, causing suffocation and death. It is effective in the control of aphids, scale, mealybug, mites, citrus leafminer and other smooth skinned caterpillars. [1] "

5. Scale insect - Wikipedia

   en.wikipedia.org/wiki/Scale_insect

   a) underside of scale showing female and eggs, x24 b) scale upperside, x24 c) female scales on twig d) male scale, x12 e) male scales on twig. Female scale insects in more advanced families develop from the egg through a first instar (crawler) stage and a second instar stage before becoming adult. In more primitive families there is an ...

6. Insecticide - Wikipedia

   en.wikipedia.org/wiki/Insecticide

   Chewing insects, such as caterpillars, eat whole pieces of leaf. Sucking insects use feeding tubes to feed from phloem (e.g. aphids, leafhoppers, scales and whiteflies), or to suck cell contents (e.g. thrips and mites). An insecticide is more effective if it is in the compartment the insect feeds from.

7. Coccus viridis - Wikipedia

   en.wikipedia.org/wiki/Coccus_viridis

   A study found that the entomopathogenic fungus, Cephalosporium lecanii, was highly effective in controlling coffee green scale. [12] A study examined the effect of the fungus on coffee green scale in combination with lower than normal applications of either of two insecticides, fenthion and phosphamidon. The use of fenthion resulted in the ...