In this article we will discuss about the structure of Polistes (Yellow Wasp) with the help of a diagram. Fig. 246 POLISTES 1. It is commonly known as yellow wasp and is common in tropics. 2. They are diurnal in habit and form nests with paper or chewed wood in dark corners, attached to walls, wooden gates or furniture’s [...]
In this article we will discuss about the structure of Cicada with the help of a diagram. Fig. 248 CICADA 1. It is commonly known as "cicada or seventeen year locust" and is a terrestrial insect which damages fruit trees. 2. The body is differentiated into head, thorax, and abdomen. 3. Head bears a pair of large compound eyes [...]
In this article we will discuss about the structure of Liver Fluke (Fasciola Hepatica) with the help of a diagram. 1. It is commonly known as "Liver fluke" and is an endoparasite in the bile duct of sheep's liver. 2. It is cosmopolitan and pathogenic and measures about 20 to 50 mm in length and 5 to 15 mm in [...]