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 [...]
The following points highlight the five major disease producing insects. The insects are: 1. Mosquitoes 2. Flies 3. Fleas 4. Bugs 5. Lice. Disease Producing Insect # 1. Mosquitoes: Several species of Anopheles are vectors of human malaria. The female Anopheles bites a malarial patient and takes in malarial Plasmodium along with human blood. Plasmodium multiplies and undergoes sporogony in [...]
The following points highlight the nine important larval forms found in Crustacea. The larval forms are: 1. Nauplius Larva 2. Metanauplius Larva 3. Protozoaea Larva 4. Zoaea Larva 5. Cypris Larva 6. Mysis or Schizopod Larva 7. Megalopa Larva 8. Phyllosoma Larva 9. Alima Larva. Larval Form # 1. Nauplius Larva: Nauplius larva is egg-shaped and un-segmented. It has a [...]