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Contents. Larvacean. Larvaceans or appendicularians, class Appendicularia, are solitary, free-swimming tunicates found throughout the world's oceans. While larvaceans are filter feeders like most other tunicates, they keep their tadpole-like shape as adults, with the notochord running through the tail. They can be found in the pelagic zone ...
Taenia solium, the pork tapeworm, belongs to the cyclophyllidcestodefamily Taeniidae. It is found throughout the world and is most common in countries where porkis eaten. It is a tapewormthat uses humans as its definitive hostand pigsas the intermediate or secondary hosts. It is transmitted to pigs through human fecesthat contain the parasite ...
Necator americanus is a species of hookworm (a type of helminth) commonly known as the New World hookworm. Like other hookworms, it is a member of the phylum Nematoda. It is an obligatory parasitic nematode that lives in the small intestine of human hosts. [1] Necatoriasis —a type of helminthiasis —is the term for the condition of being ...
The common cockchafer ( Melolontha melolontha ), also colloquially known as the Maybug, [1] [a] Maybeetle, [3] or doodlebug, [4] is a species of scarab beetle belonging to the genus Melolontha. It is native to Europe, and it is one of several closely-related and morphologically similar species of Melolontha called cockchafers, alongside ...
The larvae of the Achelata(slipper lobsters, spiny lobstersand furry lobsters) are unlike any other crustacean larvae. The larvae are known as phyllosoma, after the genus Phyllosomaerected by William Elford Leachin 1817. They are flattened and transparent, with long legs and eyes on long eyestalks.
The larvae, commonly called chiggers, are about 170–210 μm (0.007–0.008 in) in diameter, normally light red in color, and covered in hairs; they move quickly relative to size. The larvae congregate in groups on small clods of soil, in matted vegetation, and even on low bushes and plants, where they have more access to prospective hosts.
Cotinis nitida. Cotinis nitida, commonly known as the green June beetle, June bug or June beetle, [1] is a beetle of the family Scarabaeidae. It is found in the eastern United States and Canada, where it is most abundant in the South. It is sometimes confused with the related southwestern species figeater beetle Cotinis mutabilis, which is less ...
The trophi, or mouthparts of a locust, a typical chewing insect: 1 Labrum. 2 Mandibles; 3 Maxillae. 4 Labium. 5 Hypopharynx. Examples of chewing insects include dragonflies, grasshoppers and beetles. Some insects do not have chewing mouthparts as adults but chew solid food in their larval phase.