In this article we will discuss about the central, peripheral and sympathetic nervous system of cockroach. Central Nervous System of Cockroach: The central nervous system consists of the supra-oesophageal ganglion or brain, sub- oesophageal ganglion and the nerve cord. The supra-oesophageal ganglion or cerebral ganglion is a bilobed structure situated in the head in front of oesophagus, above the tentorium [...]
The following points highlight the top five methods used for controlling mosquitoes. The methods are: 1. Personal Protection 2. Destruction of Adults 3. Destruction of Larvae 4. Elimination of Breeding Places 5. Preventive Medicine. Method # 1. Personal Protection: (a) In mosquito-infected area protective clothing may be used, such as will cover the exposed parts of the body, especially after [...]
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 [...]