In this article we will discuss about the nauplius, zoea and megalopa larva of crustaceans with the help of suitable diagrams. Nauplius Larva of Crustaceans: Fig. 147 NAUPLIUS LARVA W.M 1. It is the slide of Nauplius larva, which is the earliest free swimming stage in the development of crustaceans. 2. Body is some what fusiform or pear shaped and [...]
In this article we will discuss about the structure of silk moth (Bombyx) with the help of a diagram. Fig. 254 BOMBYX LIFE CYCLE 1. It is otherwise called "Bombyx" and produces silk. It is reared on mulberry leaves. 2. The body is divisible into head, thorax and abdomen. The abdomen is short and stout. 3. The colour is creamish [...]
In this article we will discuss about the life history of termite with the help of a diagram. Fig. 255 TERMITE LIFE CYCLE 1. This is the life history of termite or white ant which is a colonial social insect exhibiting well developed cast system. 2. They are polymorphic insects with chewing type of mouth parts. 3. They feed on [...]