What are Nematodes? Definition of Nematodes Nematodes are elongated, unsegmented, thread-like worms, found in various environments such as soil and water. They can be free-living or parasitic, affecting plants, animals, and humans. General Characteristics of Nematodes Nematodes, often referred to as roundworms, exhibit distinct morphological and physiological features that set them apart from other organisms. … Read more
Protozoa are defined as microscopic, acellular organisms that exist either singly or in colonies, characterized by a lack of tissues and organs and the presence of one or more nuclei. With approximately 50,000 known species within the Phylum Protozoa, these organisms exhibit a remarkable diversity and complexity despite their simple structure. Protozoa can be broadly … Read more
Parasitology is the branch of biology that focuses on the study of parasites, which are organisms that live on or in a host organism and derive nutrients at the host’s expense. This field examines the biology, ecology, evolution, and interactions of parasites with their hosts, as well as the diseases they cause. Key areas of … Read more
What are Parasitic Vertebrates? Cookiecutter shark (Isistius brasiliensis) Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Subdivision: Selachimorpha Order: Squaliformes Family: Dalatiidae Genus: Isistius Species: I. brasiliensis The cookiecutter shark (Isistius brasiliensis) is a distinctive species of deep-sea shark known for its unique feeding behavior and wide geographic range. Primarily found in tropical and … Read more
By Sourav Pan 2 revisions 20 min readby Sourav Pan
What is xenopsylla cheopis? Classification of xenopsylla cheopis Scientific Name: Xenopsylla cheopis (Rothschild, 1903) Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Siphonaptera Family: Pulicidae Genus: Xenopsylla Habitat of xenopsylla cheopis Xenopsylla cheopis, commonly known as the Oriental rat flea, primarily inhabits tropical and subtropical environments, although it can also be found in temperate regions. This flea … Read more
By Sourav Pan 3 revisions 22 min readby Sourav Pan
What is Pediculus Humanus (Lice)? Lice are small, parasitic insects that belong to the order Phthiraptera and are known for their obligatory ectoparasitic lifestyle. Over 550 species of lice have been identified worldwide, and they typically infest humans, cattle, and other animals. These insects are dorsoventrally flattened and wingless, making them well-adapted to their parasitic … Read more
By Sourav Pan 4 revisions 38 min readby Sourav Pan
What are Ticks? Definition of Ticks Ticks are small, parasitic arachnids belonging to the order Ixodida, feeding on the blood of mammals, birds, reptiles, and amphibians. They are classified into two main families: Ixodidae (hard ticks) and Argasidae (soft ticks). Ticks have a complex life cycle that includes four stages: egg, larva, nymph, and adult, … Read more
By Sourav Pan 2 revisions 27 min readby Sourav Pan
What are Mites? Definition of Mites Mites are tiny arachnids, usually less than 1 mm in size, that belong to the Acariformes and Parasitiformes orders. They live in various environments, such as soil, water, plants, and animals, and can be decomposers, predators, or parasites. While most mites are harmless, some can cause allergies or transmit … Read more
By Sourav Pan 2 revisions 23 min readby Sourav Pan
What is lesion nematode? Symptoms of lesion nematode Lesion nematode infestations can cause a range of symptoms in both herbaceous and woody plants, primarily affecting root systems and leading to noticeable aboveground effects. The severity of symptoms depends on nematode population levels, environmental conditions, and plant susceptibility. The following list outlines key symptoms and contributing … Read more
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