The life-cycle of Fasciola hepatica is completed in two hosts. The primary or definite host is sheep or cattle, while the secondary or intermediate host is a small of the genus Limnaea. Its life history includes a number of larval stages which propagate by asexual multiplication (polyembryony). Copulation, Fertilization and Capsule Formation: Copulation occurs in the bile duct of sheep. [...]
The following points highlight the eleven main types of plant parasitic nematodes. The types are: 1. Anguniatritici 2. Ditylenchusdipsaci 3. Tylenchorhynchus 4. Belonolaimusgracilis 5. Hoplolaimuscaronatus 6. Pratylenchusthornei 7. Radopholussimilis 8. Heterodera rostochiensis 9. Meloidogyne Incognita 10. Xiphinemaamericanus 11. Trichodoruschristiei. Type # 1. Anguniatritici: Classification: Phylum: Aschelminthes Cavity bearing animals Class: Nematode Pseudo coelomate and un-segmented Order: Tylenchida Tylenchoid pharynx and [...]
In this article we will discuss about Phylum Acanthocephala:- 1. Introduction to Phylum Acanthocephala 2. Diagnostic Features of Phylum Acanthocephala 3. Scheme of Classification 4. Systematic Resume. Introduction to Phylum Acanthocephala: The acanthocephalans or thorny headed worms, occur as endoparasites requiring two hosts to complete the life cycle. While the adults live in the digestive tract of aquatic and terrestrial [...]