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 [...]
In this article we will discuss about the structure of Planaria (Dugesia) with the help of a diagram. 1. Commonly called planaria and is a fresh water form of cosmopolitan distribution. 2. The body is elongated, flattened and some-what conical. 3. A distinct head is present, which is triangular in form and bears a pair of semicircular ocelli and a [...]
In this article we will discuss about the structure of Potato Beetle with the help of a diagram. Fig. 251 POTATO BEETLE 1. It is commonly known as "potato beetle" and is found feeding on potato plants. 2. Body divisible into head, thorax and abdomen. 3. The head bears a pair of clubbed and many jointed antennae, a pair [...]