Cyclops are the most familiar copepod of class-Crustacea. These crustaceans are found in fresh water ponds, lakes and in slight brakish water of the estuary. They are regarded as zoo-planktons. Cyclops acts as intermediate host of guinea-worm, Dracunculus medinensis. The coiled larvae of Dracunculus are released in water by rupturing the blister of human beings. In case of guinea- worm [...]
The following points highlight the six major diseases caused by mosquitoes. The diseases are: 1. Malaria 2. Filariasis or Elephantiasis 3. Encephalities 4. Dermatobia 5. Dengue 6. Dengue Haemorrhagic Fever. Disease # 1. Malaria: Malarial fever is a serious disease of man which is created by protozoan endoparasite known as Plasmodium. The malarial disease in man is caused by the [...]
In this article we will discuss about the external anatomy of musca domestica. Usually the insects considered injurious are those which bite or sting. The house-fly can neither bite or sting, yet it is considered as one of the most notorious of all the harmful insects. These flies endanger human lives by carrying germs of various diseases. The common house-flies [...]