Parasitology Reference Libraries

Echinococcus multilocularis is a species of tapeworm that is classified within the Platyhelminthes phylum. It is one of a few worms that cause echinococcosis, a disease that affects many canid species including wolves, coyotes, foxes, jackals, domesticated dogs. Humans can also contract this disease. Adult members of this species can reach an average length of .2 inches, and like other species...

Trichinella spiralis, sometimes known as the pork worm, is a parasite within the Nematoda class. It can be found in pigs, rats, humans, and bears. This worm causes trichinosis in humans, most often from consuming undercooked pork. This species is the smallest within its class, reaching an average body length of .16 centimeters. Females are twice as large as males, displaying a sexual...

The eye-worm (Loa loa) is a species of roundworm within the Nematoda phylum. It can be found in India and Africa, among other areas. This species causes a disease known as Loa loa filariasis and is one of three species that can cause subcutaneous filariasis in humans. Females are larger than males, reaching an average body length of up to 2.7 inches, with males reaching an average body length...

The common liver fluke (Fasciola hepatica), also known as the sheep liver fluke, is a parasitic flatworm in the Trematoda class. This species can infect sheep, cattle, humans, and other animals across the world. This species is one of the largest of its kind, reaching an average body length of 1.1 inches, with a width of up to .5 inches. This species is shaped like a worm and is typically wider...

The New World hookworm (Necator americanus) is a hookworm that can be found in the New World. This species, along with other species in the Nematode phylum, is a parasitic worm that is commonly found in cats, dogs, and humans. Infections from this species are known as Necatoriasis. However, there are two common species of hookworm that infest humans, known as the Old World hookworm (Ancylostoma...

The dog tapeworm (Echinococcus granulosus), also known as the hyper tapeworm or the hydatid worm, is classified within the Platyhelminthes phylum. This species can reach an average length between .07 and .2 inches and its body is comprised of three segments, called proglottids, if it has not been damaged. These segments are known as gravid proglottids, mature proglottid, and immature...

The Hydatid Worm (Echinococcus granulosus), also known as the Hyper Tape-Worm, is a species of cyclophyllid cestode that is found in the small intestine of adult canids (canine), but also is found in livestock and humans, which serve as intermediate hosts. This specimen causes Hydatid disease. The adult Hydatid worm is typically less than 0.25 inches in length and has three proglottids...

The Polydnaviruses (PDV) are a family of insect viruses that contain two genera: Ichnoviruses (IV) and Bracoviruses (BV). The ichnoviruses occur in ichneumonid wasps and bracoviruses in braconid wasps. The virus is composed of multiple segments of double-stranded superhelical DNA packaged in capsid proteins and a double layer or single layer envelope. The full genome of the virus is...

Apocrita is a suborder of insects in the order Hymenoptera. The Apocrita include wasps, bees and ants, and are comprised of many families. They include the most advanced Hymenoptera and are distinguished from the Symphyta by the narrow waist joining two segments of the abdomen. The ovipositor of the female either extends freely or is retracted, and is converted into a sting for both for...