Portal:Arthropods/Selected pictures
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Diaprepes abbreviatus is a member of the Curculionidae – the family of the "true weevils". With over 60,000 species described worldwide, it is the largest beetle family. Weevils are almost entirely plant feeders, and most species are associated with a narrow range of hosts, in many cases only living on a single species.
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Ozyptila praticola is a species of crab spider found throughout Europe and the Middle East. They do not build webs to trap prey, but are active hunters. Crab spiders are so named because of their first two pairs of legs, which are held out to the side giving them a crab-like appearance.
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The family Araneidae, or orb-weaver spiders (Araneus marmoreus pictured), are the familiar builders of spiral wheel-shaped webs often found in gardens, fields and forests. The family is large, including over 2800 species in over 160 genera worldwide, making it the third largest family of spiders (after Salticidae and Linyphiidae).
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Reduviidae (Hemiptera) is a large, cosmopolitan family of predatory insects, including the assassin bugs , wheel bugs and thread-legged bugs. There are about 7,000 species, making Reduviidae one of the largest families in the Hemiptera.
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Soldier crabs of the genus Mictyris, including M. longicarpus (pictured), congregate at low tide to feed by filtering mud. As the tide rises, they bury themselves, digging in a corkscrew pattern.
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The yellow fever mosquito, Aedes aegypti (Diptera: Culicidae), is a mosquito that can spread the dengue fever, Chikungunya and yellow fever viruses, and other diseases. It can be recognized by white markings on legs and a marking in the form of a lyre on the thorax.
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Periclimenes imperator (Decapoda: Palaemonidae) is a species of shrimp with a wide distribution across the Indo-Pacific that lives commensally on a number of hosts, including the sea slug Hexabranchus.
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Simosyrphus grandicornis is an Australasian species of hoverfly (Diptera: Syrphidae), and is one of the two most common hoverflies in Australia, alongside Melangyna viridiceps. Pictured above is a pair of S. grandicornis mating in flight.
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Ixodes ricinus, the castor bean tick, is a chiefly European species of hard-bodied tick. It may reach a length of 11 mm (0.43 in) when engorged with a blood meal (pictured), and can transmit a number of diseases to its hosts.
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The Meadow Argus, Junonia villida (Lepidoptera: Nymphalidae), is a butterfly commonly found in Australia. It is also known as Albin's Hampstead Eye in the United Kingdom, where it has occurred only as an accidental import.
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Mayflies (subimago of Rhithrogena germanica pictured) comprise around 2,500 species of insects which belong to the Order Ephemeroptera. They are aquatic insects whose immature stage usually lasts one year in fresh water, while the adults are short-lived, surviving from a few minutes to a few days.
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The rose chafer Cetonia aurata (Coleoptera: Scarabaeidae) is a beetle, 20 mm (¾ in) long, that has metallic green coloration.
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Chthamalus stellatus is a barnacle found in the Atlantic Ocean from Shetland to southern Europe.
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The Dungeness crab, Metacarcinus magister (formerly Cancer magister), is a species of crab that inhabits West Coast eelgrass beds and water bottoms from Alaska's Aleutian Islands to Santa Cruz, California.
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Jumping spiders (head of Clynotis severus pictured) comprise around 5,000 described species in over 500 genera, making them the largest family of spiders, with about 13% of all species. Jumping spiders have excellent vision , which they use for actively hunting prey.
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Polistes dominula, sometimes referred to as the European paper wasp, is one of the more common and well-known species of social wasps in Europe. It is considered an invasive species in Canada and the United States.
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The Monarch butterfly, Danaus plexippus, (seen here on Echinacea purpurea) is a milkweed butterfly in the family Nymphalidae. It is perhaps the best known of all North American butterflies, and is famous for its migrations.
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Pantala flavescens, the Globe Skimmer or Wandering Glider, is one of two species of dragonfly in the genus Pantala (Libellulidae). It is considered to be the most widespread dragonfly on Earth, as well as being the dragonfly with the highest recorded flight, and the first dragonfly to re-colonise Bikini Atoll after the nuclear tests.
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Squilla mantis is a species of mantis shrimp chiefly found and fished in the Mediterranean Sea. It grows up to 200 millimetres (8 in) long, and is of the spearer type. It is generally dull brown in colouration, but has two brown eye spots, circled in white, at the base of the telson.
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Varroa destructor (shown in false-colour SEM on a honey bee) is an external parasitic mite that attacks the honey bees Apis cerana and Apis mellifera, causing the disease called varroatosis. A significant mite infestation will lead to the death of a honey bee colony, and may be a contributing factor to colony collapse disorder (CCD).
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Thiodina puerpera is a species of jumping spider commonly found in the eastern United States. Adult females are 7–11 millimetres (0.28–0.43 in) long; adult males are 5–7 mm (0.20–0.28 in) long.
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The Sally Lightfoot crab, Grapsus grapsus, is a shore crab that lives from the Gulf of California to the Galápagos Islands.
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Cercophonius squama, commonly known as the forest scorpion or wood scorpion, is a scorpion native to southeastern Australia, and is the only scorpion in Tasmania.
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Triops longicaudatus is a freshwater crustacean of the order Notostraca. It is considered a living fossil because its from has changed little from its ancestors 70 million years ago.
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Romalea guttata (formerly Romalea microptera, and commonly known as the eastern lubber grasshopper or just lubber grasshopper) is a species of grasshopper native to the southeastern and south-central United States. It is a distinctive species, and is well known both for its size and its unique coloration.
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Myrmecia (bulldog ants, bull ants, inch ants, sergeant ants, jumper ants or Jack jumper ants) is a genus of ants. They can grow to over 40 mm (1.6 in) long, and almost all of the approximately 90 species are endemic to Australia.
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Mantis shrimp (peacock mantis shrimp – Odontodactylus scyllarus – pictured) are marine crustaceans of the order Stomatopoda. They take their name from the physical resemblance to praying mantises and shrimp.
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The buffalo treehopper, Stictocephala bisonia (formerly Ceresa bisonia), is a species of treehopper native to North America. They use their piercing mouthparts to feed on the sap of plants including black locust, clover, elm, goldenrod and willow.
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The Atlantic horseshoe crab, Limulus polyphemus, is a marine chelicerate arthropod. It is most commonly found in the Gulf of Mexico and along the northern Atlantic coast of North America, with Delaware Bay a main area of annual migration.
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Longhorn beetles (Saperda carcharias pictured) are a cosmopolitan family of beetles, Cerambycidae, characterised by extremely long antennae. It is a large family, with over 20,000 described species; several are serious pests, with the larvae boring into wood.
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