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Encyclopedia > Sowbug
?Woodlice
Armadillidium vulgare
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Isopoda
Suborder: Oniscidea
Latreille, 1802
Infraorders and Families
  • Infraorder Tylomorpha
    • Tylidae
  • Infraorder Ligiamorpha
    • Ligiidae
    • Mesoniscidae
  • Superfamily Trichoniscoidea
    • Buddelundiellidae
    • Trichoniscidae
  • Superfamily Styloniscoidea
    • Schoebliidae
    • Styloniscidae
    • Titaniidae
    • Tunanoniscidae
  • Superfamily Oniscoidea
    • Bathytropidae
    • Berytoniscidae
    • Detonidae
    • Halophilosciidae
    • Olibrinidae
    • Oniscidae
    • Philosciidae
    • Platyarthridae
    • Pudeoniscidae
    • Rhyscotidae
    • Scyphacidae
    • Speleoniscidae
    • Sphaeroniscidae
    • Stenoniscidae
    • Tendosphaeridae
  • Superfamily Armadilloidea
  • incertae sedis
    • Dubioniscidae
    • Hekelidae
    • Irmaosidae
    • Pseudarmadillidae
    • Scleropactidae

Woodlice (known locally under many names; see below) are terrestrial crustaceans with a rigid, segmented, calcareous exoskeleton and fourteen jointed limbs. They form the suborder Oniscidea within the order Isopoda, with over 3000 known species. Image File history File links ArmadillidiumVulgare. ... Diversity about 200 species Armadillidium is a genus of the small terrestrial crustacean known as the woodlouse. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Phyla Subregnum Parazoa Porifera (sponges) Subregnum Agnotozoa Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Myxozoa (slime animals) Superphylum Deuterostomia (blastopore becomes anus) Chordata (vertebrates, etc. ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - trilobites (extinct) Subphylum Chelicerata Arachnida - spiders,scorpions, etc. ... Classes & Subclasses Branchiopoda Phyllopoda Sarsostraca Remipedia Cephalocarida Maxillopoda Thecostraca Tantulocarida Branchiura Pentastomida Mystacocarida Copepoda Ostracoda Myodocopa Podocopa Malacostraca Phyllocarida Hoplocarida Eumalacostraca The crustaceans (Crustacea) are a large group of arthropods (55,000 species), usually treated as a subphylum [1]. They include organisms such as lobsters, crabs, shrimp and barnacles. ... Subclasses Eumalacostraca Hoplocarida Phyllocarida See text for orders. ... Suborders Anthuridea Asellota Calabozoida Epicaridea Flabellifera Microcerberidea Oniscidea Phreatoicidea Valvifera Isopods are one of the most diverse orders of crustaceans, with many species living in all environments, and are common in shallow marine waters. ... Pierre André Latreille. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... In biological classification, family (Latin: familia, plural familiae) is 1) a rank or 2) a taxon in that rank. ... Infraorders and Families Woodlice (known locally under many names; see below) are terrestrial crustaceans with a rigid, segmented, calcareous exoskeleton and fourteen jointed limbs. ... Genera Not necessarily a complete list Armadillidium Eluma Ligia Oniscus Porcellio A terrestrial family of the order Isopoda which can roll itself into a ball, as opposed to the family Porcellionidae which can not. ... Genera Caeroplastes Congocellio Dorypoditius Inchanga Leptotrichus Lucasius Mahehia Mexicostylus Mica Pondo Porcellio Porcellionides Proporcellio Soteriscus Thermocellio Tropicocellio Tura Uramba Porcellionidae is a terrestrial family of the order Isopoda. ... Incertae sedis—of uncertain position (seat)—is a term used to define a taxonomic group where its broader relationships are unknown or undefined. ... Classes & Subclasses Branchiopoda Phyllopoda Sarsostraca Remipedia Cephalocarida Maxillopoda Thecostraca Tantulocarida Branchiura Pentastomida Mystacocarida Copepoda Ostracoda Myodocopa Podocopa Malacostraca Phyllocarida Hoplocarida Eumalacostraca The crustaceans (Crustacea) are a large group of arthropods (55,000 species), usually treated as a subphylum [1]. They include organisms such as lobsters, crabs, shrimp and barnacles. ... An exoskeleton, in contrast to an endoskeleton, is an external anatomical feature that supports and protects an animals body. ... Suborders Anthuridea Asellota Calabozoida Epicaridea Flabellifera Microcerberidea Oniscidea Phreatoicidea Valvifera Isopods are one of the most diverse orders of crustaceans, with many species living in all environments, and are common in shallow marine waters. ...

Contents


Ecology

Woodlice need moisture because they breathe through gills, called pseudotrachea, and so are usually found in damp, dark places, such as under rocks and logs. They are usually nocturnal and are detritivores, feeding mostly on dead plant matter. They should be considered beneficial garden organisms as they recycle nutrients back into the soil. In artificial environments such as greenhouses where it can be very moist, woodlice may become abundant and damage young plants. gills of a Smooth Newt Gills inside of a tuna head In aquatic organisms, gills are a respiratory organ for the extraction of oxygen from water and for the excretion of carbon dioxide. ... A nocturnal animal is one that sleeps during the day and is active at night - the opposite of the human (diurnal) schedule. ... A Dung Beetle rolling a ball of dung Detritivores (also known as saprophages, detrivores or detritus feeders) are organisms that recycle detritus (decomposing organic material), returning it into the food chain. ...


They have a shell-like exoskeleton. As the woodlouse grows, it must progressively shed this shell. The moult takes place in two stages. The back half is lost first, followed two or three days later by the front. Various seashells The hard, rigid outer covering of certain animals is called a shell. ... An exoskeleton, in contrast to an endoskeleton, is an external anatomical feature that supports and protects an animals body. ...


A female woodlouse will keep fertilised eggs in a patch on the underside of her body until they hatch into small, pink offspring. The mother then appears to "give birth" to her offspring. A spermatozoon fertilising an ovum Fertilisation, also spelled fertilization (also known as conception, fecundation and syngamy), is fusion of gametes to form a new organism of the same species. ... An average Whooping Crane egg is 102 mm long, and weighs 208 grams In some animals, an egg (Latin ovum) is the zygote, resulting from fertilization of the ovum. ...


Some woodlice are able to roll into a ball-like form when threatened by predators, leaving only their armoured back exposed. This ability explains many of the woodlouse's common names.


Common names

Common names for woodlice vary throughout the English-speaking world. They include: "armadillo bug" [1], "cheeselog" (Reading, Berkshire[2], "doodlebug" (also used for the larva of an antlion[3], "monkeypea" [4], "pill bug" (usually applied only to the genus Armadillidium[1], "roly-poly" [5], "potato bug"[5], "roll up bug" [6], "slater" [3] and "sow bug" [3][5]. In science, a common name is any name by which a species or other concept is known that is not the official scientific name. ... The English language is a West Germanic language that originates in England. ... Reading is a town and unitary authority (the Borough of Reading) in the English county of Berkshire. ... Antlions are a family of insects in the order Neuroptera, classified as Myrmeleontidae, from the Greek myrmex, meaning ant, and leon, meaning lion. Strictly speaking the term antlion applies to the larval form of the members of this family. ... Diversity about 200 species Armadillidium is a genus of the small terrestrial crustacean known as the woodlouse. ...


United Kingdom

There are 37 native or naturalised species in the United Kingdom, ranging in colour and in size (3-30 mm) of which only five are common: Oniscus asellus (the common shiny woodlouse), Porcellio scaber (the common rough woodlouse), Philoscia muscorum (the common striped woodlouse), Trichoniscus pusillus (the common pygmy woodlouse) and Armadillidium vulgare (the common pill bug). A millimetre (American spelling: millimeter, symbol mm) is an SI unit of length that is equal to one thousandth of a metre. ... Binomial name Oniscus asellus Linnaeus, 1758 Oniscus asellus, the common woodlouse, is one of the largest and commonest species of woodlouse in the British Isles and Western Europe, growing to lengths of 16 mm and and widths of 6 mm. ... Porcellio scaber, otherwise known as the Common Rough Woodlouse, is a species of woodlouse that exhibits turn alternation. ... Diversity about 200 species Armadillidium is a genus of the small terrestrial crustacean known as the woodlouse. ...


Woodlice in fiction

  • In To Kill a Mockingbird, the main character Scout pokes a roly-poly.
  • Tuck and Roll were the woodlouse acrobats who appeared as supporting characters in the Pixar film A Bug's Life. They have been immortalized in a "Tuck and Roll's Drive'Em Buggies" ride in a bug's land at Disney's California Adventure Park.
  • The giant creatures called Ohmu in Hayao Miyazaki's Nausica√§ of the Valley of the Wind also resemble woodlice.
  • Giant woodlice (larger even than a giant isopod) are infrequently featured in the webcomic WIGU.
  • The Gustav, a mecha from the Zoids franchise, is similar in design to a woodlouse.
  • In Harry Potter and the Goblet of Fire, woodlice are fed to bowtruckles.
  • Dink Smallwood includes the woodlouse as an enemy.
  • In a Rugrats episode, Chuckie Finster kept one as a pet, but it died a few days after. Its name was Melville.
  • In the underground cartoon Salad Fingers by David Firth, there was a woodlouse named "Bordois" in which Salad Fingers referred to as his "little sister." Unfortunately, Bordois died a tragic death by being flattened when Salad Fingers tried to pet her. "You've gone flat, little sister, and you're all gooey! I shan't play with you again until you've had a wash."
  • Woodlouse are part of the story in the movie 'Tierra' by Julio Medem.
  • In La m√©tamorphose des cloportes movie woodlice (cloportes) are a part of the title, and shots of woodlice appear during opening credits.
  • In Lexx The dark Zone, the Gigashadow resembles a gigantic, planet-sized woodlouse. The Lexx-Logo resembles a rolled up woodlouse as well.

To Kill a Mockingbird is a 1960 novel by Harper Lee, which won the Pulitzer Prize for Fiction in 1961. ... High wire act Acrobatics (from Greek Akros, high and bat, walking) is one of the performing arts, and is also practiced as a sport. ... Pixar Animation Studios is an award-winning American computer animation studio based in Emeryville, California (USA). ... A Bugs Life is a computer animated film produced by Pixar Animation Studios and released by Walt Disney Pictures and Buena Vista Distribution in the United States on November 14, 1998, and in the United Kingdom on 5 February 1999. ... The title of this article is incorrect due to technical limitations and should be a bugs land. ... Disneys California Adventure Park is a Disney theme park in Anaheim, California, adjacent to Disneyland Park and part of the larger Disneyland Resort. ... A baby Ohmu caressing Nausicaä An Ohmu ) is a fictional terrestrial crustacean from the film and manga Nausicaä of the Valley of the Wind, by Hayao Miyazaki. ... Portrait of animator Hayao Miyazaki. ... It has been suggested that Miralupa be merged into this article or section. ... Species Bathynomus affinis Bathynomus decemspinosus Bathynomus doederleinii Bathynomus giganteus Bathynomus immanis Bathynomus kapala Bathynomus miyarei Bathynomus pelor Bathynomus propinquus A giant isopod may be one of approximately nine species of large isopods (crustaceans related to the shrimps and crabs) in the genus Bathynomus. ... An episode of Diesel Sweeties Webcomics, also known as online comics and web comics, are comics that are available on the Internet. ... Wigu is a webcomic (and later a print comic) created by Jeff Rowland. ... The Gustav is a type of Zoid, a race of mechanical lifeforms from the fictional Zoids universe. ... Liger Zero, one of the most recognisable Zoids in the Western fandom Zoids is a series of plastic toy models designed and produced by Japanese toy company TOMY (now Takara-Tomy). ... Harry Potter and the Goblet of Fire is the fourth book in the Harry Potter series by J.K. Rowling. ... Dink Smallwood is a humorous computer role-playing game. ... This article or section does not cite its references or sources. ... Charles Chuckie Crandall Finster III is a character from the Nickelodeon animated television series Rugrats and All Grown Up!. // Rugrats One of the original five main characters introduced in Rugrats, Chuckie has uncontrollable red hair, glasses and bucked teeth, and is ambidextrous, as revealed in Chuckies a Lefty (first... Salad Fingers is a Flash cartoon series created by David Firth. ... David Firth, 2001 David Firth (born January 23, 1983 in Doncaster, England) is a producer of Flash cartoons and various short videos. ... Categories: Movie stubs | 1996 films | Spanish films ... Julio Medem (born 21 October 1958) is a Spanish writer and film director. ... The Gigashadow. ...

Gallery

See also

Genera Cryptoparachtes Dasumia Dysdera Dysderocrates Folkia Harpactea Harpactocrates Holissus Hygrocrates Kaemis Mesostalita Minotauria Parachtes Parastalita Rhode Rhodera Sardostalita Speleoharpactea Stalagtia Stalita Stalitella Stalitochara Tedia The woodlouse hunters, sowbug-eating spiders or cell spiders, family Dysderidae, are araneomorph spiders found primarily in Eurasia, though extending into North Africa Dysderids have six... Species Bathynomus affinis Bathynomus decemspinosus Bathynomus doederleinii Bathynomus giganteus Bathynomus immanis Bathynomus kapala Bathynomus miyarei Bathynomus pelor Bathynomus propinquus A giant isopod may be one of approximately nine species of large isopods (crustaceans related to the shrimps and crabs) in the genus Bathynomus. ...

External links

References


      Results from FactBites:
     
    Sowbug, pillbug (446 words)
    Sowbugs possess a pair of tail-like structures on the back end of the body.
    Isopoda (sowbugs and pillbugs) are terrestrial crustaceans, and are more closely related to lobsters, shrimp and crayfish.
    Sowbugs and pillbugs spend bright daylight hours in damp dark habitats such as underneath stones, logs, leaf litter and other debris.
      More results at FactBites »

     
     

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