The following points highlight the six major diseases caused by mosquitoes in man. The diseases are: 1. Malaria 2. Yellow Fever 3. Dengue Fever 4. Filariasis or Elephantiasis 5. Encephalitis 6. Dermatobia. Disease # 1. Malaria: Malaria is a deadly human disease. It is-transmitted by Anopheles', malaria is caused by a parasitic protozoan Plasmodium which spends part of its life [...]
In this article we will discuss about Grasshopper:- 1. Habit, Habitat and External Features of Grasshopper 2. Internal Anatomy of Grasshopper 3. Digestive System 4. Circulatory System 5. Respiratory System 6. Excretory System 7. Nervous System 8. Sense Organs 9. Reproductive System 10. Economic Importance 11. Control. Contents: Habit, Habitat and External Features of Grasshopper Internal Anatomy of Grasshopper Digestive [...]
In this article we will discuss about the economic importance of insects. A. Beneficial Insects: Insects which produce honey, wax, lac, dyes and silk are commercially beneficial. Some insects are very helpful in destroying injurious insects. 1. Commercial Products: Apis, the honeybees produce millions of tons of honey every year, it also gives bees wax from its combs. Benefits of [...]