Number of insect order by common entomologist is

Answer: Option D

The number of insect orders by common entomologists is 29.
The twenty-nine insect orders are the key to identifying and understanding insects.
The insect orders begin with the most primitive wingless insects and end with the insect groups that have undergone the greatest evolutionary change.
The major orders of insects are Odonata, Orthoptera, Blattodea, Mantodea, Isoptera, Hemiptera, Thysanoptera, Phthiraptera, Neuroptera, Coleoptera, Diptera, Lepidoptera and hymenoptera.