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 cycle of Culex with the help of a diagram. Fig. 253 CULEX LIFE CYCLE The Life Cycle of Culex has following three stages: The Eggs: 1. They are laid in rafts of about 300 eggs held, together through sticky substance for floating along the surface of water. 2. The eggs [...]