Nematodes – Morphology, Classification, Examples

Nematodes - Morphology, Classification, Examples

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

Parasitic Vertebrates – Cookiecutter shark, Candiru, Hood Mockingbird and Vampire bat

Parasitic Vertebrates

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

Cimex lectularius (Bed Bug) – Morphology, Life Cycle, Types, Control

Cimex lectularius - Morphology, Life Cycle, Types, Control

What is Cimex lectularius? Classification of Cimex lectularius scientific name: Cimex lectularius Linnaeus (Insecta: Hemiptera: Cimicidae) Classification Level Classification Name Kingdom Animalia (Animals) Phylum Arthropoda (Arthropods) Subphylum Hexapoda (Hexapods) Class Insecta (Insects) Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids, and Allies) Suborder Heteroptera (True Bugs) Infraorder Cimicomorpha Superfamily Cimicoidea Family Cimicidae (Bed Bugs) Subfamily Cimicinae … Read more

Xenopsylla cheopis – Morphology, Life cycle, Control

Xenopsylla cheopis - Morphology, Life cycle, Control

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

Pediculus Humanus (Lice) – Morphology, Types, Life cycle, Management

head louse

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

Ticks – Morphology, Types, Life Cycle and Examples

Ticks - Morphology, Types, Life Cycle and Exampless

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

Mites – Morphology, Types, Life cycle, Importance, Examples

Mites - Morphology, Types, Life cycle, Importance, Examples

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

Pratylencus (lesion nematode) – Morphology, Life cycle, Control, Importance

Disease (life) cycle of lesion nematode (Dr. G.N. Agrios).

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

Meloidogyne (Root knot nematode) -Structure, Life cycle, Diagnosis, Management, and Importance

Life cycle of Meloidogyne incognita

What is Root knot nematode? Life cycle of Meloidogyne incognita The life cycle of Meloidogyne incognita, a root-knot nematode, follows a highly specialized sequence of stages that allows it to effectively parasitize plant roots. The process begins with the egg and progresses through four juvenile stages (J1, J2, J3, J4) before reaching adulthood. Understanding these … Read more

Trichinella spiralis – Morphology, Life Cycle, Pathogenicity, Diagnosis, Prophylaxis and Treatment

Life Cycle of Trichinella spiralis

What is Trichinella spiralis? History and Distribution of Trichinella spiralis Trichinella spiralis is a tissue nematode known as the causative agent of trichinosis, a significant zoonotic disease impacting human health. Its historical context and distribution reveal critical insights into its epidemiology and the public health challenges it poses. Habitat of Trichinella spiralis The habitat of … Read more

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