The Parasite-Faunas included in the present book, are animal parasites (invertebrates), parasitic on different Invertebrates, Vertebrates, Humans and Plants ( wild, cultivated ). The parasite species belonging to various Phyla of animal Kingdom are, viz. Amoebozoa, Ciliophora, Euglenozoa, Metamonada (protozoans), Cnidaria, Apicomplexa, Platyheminthes, Nematoda, Acanthocephala, Annelida (leeches), Pentastomida and Arthropoda(crustaceans, insects, ticks, mites). These parasites of diverse groups, are known to parasitize arthropods, fishes, amphibians, reptiles, birds, mammals, besides humans and plants, prevalent in vast and wide areas, and localities of Jammu, Kashmir and Ladakh Himalayan regions. The diversity, impact, and importance of umpteen parasite species, associated with varied hosts, pertaining to the Himalayan regions are, as Zoogeographically important and biodiversity hot spotin the Indian sub-continent, have lucidly and comprehensively been dealt with in this book. In this reference book, updated information, with databases developed, have been incorporated, related to diverse fields of human activities. This book, undoubtedly, will cater to the growing needs of Professionals, Experts, Researchers, Students of Life science, besides in the fields of Agriculture, Veterinary and Medical.