Question

Which of the following is applied as a biological control agent for the protection from cotton scale insects?
a. Rodolia Cardinals
b. Aleurolobus baryogenesis
c. Pectinophora gossypiella
d. Both (a) and (b)

Answer 1

Hint: The substance that is used to control pests is called pesticides. Pesticides are commonly used for plants to control and destroy pests that are present in plants. Dichloro Diphenyl Trichloride is an example of pesticides.

Complete answer:
> Option A: Rodolia Cardinals:
Rodolia Cardinals is the most commonly used one to combat scale insects, this combat scale insect injurious to citrus orchards, especially for Acarya purchase and the cottony cushion scale. This Integrated pest management form was used by Orchard owners, they used a variety of strategies to avoid insect pests, and also cultural, chemical, and biological controls while keeping in check and varying the use of pesticides in order to control the pest population always present. This icerya purchasi is a natural predator that is used instead of pesticides and also some materials.

> Option B: Aleurolobus baryogenesis:
Aleurolobus baryogenesis is a sugarcane whitefly that is used as a pest if sugarcane in Thailand.

> Option C: Pectinophora gossypiella:
Pectinophora gossypiella is also known as a pink blue warm it is an insect used as a pest in cotton farming.

Hence, the correct answer is option (A).

Note: The cottony cushion scale is effectively controlled by two natural enemies. In the early 1890s, the vedalia beetle Rodolia Cardinals was introduced from Australia. In all the stages of the scale, the adult and larvae are fed. Below the scale, the female beetles lay eggs or the female beetles lay connected to the egg sac. To feed an egg the young larvae move into the egg mass. In all scale stages, the older stage larvae will feed.