Information about Orussidae
| Orussidae | ||||||||||||||
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| Scientific classification | ||||||||||||||
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about 70 species in 16 genera | ||||||||||||||
The family Orussidae (the sole living member of the superfamily Orussoidea) is the only Symphytan group which is parasitic, thus giving them the common name parasitic wood wasps. They are an ancient group, well-represented in the fossil record, and are believed to represent a sort of "missing link" within the order Hymenoptera, as they are often considered to be the sister taxon to the Apocrita. They possess a number of bizarre anatomical features not shared by any other living Hymenoptera, including an ovipositor that is folded over and looped around the gut internally, extending into the thorax, eggs that are longer than the body itself and folded over within the ovarioles, and a unique method of jumping that has involved the loss of the dorsoventral flight muscles.
Orussids lay their eggs in trees, attacking the larvae of wood-boring beetles (or horntails), but very little else is known of the life cycle other than that they are parasitoids. The adults of many genera are often somewhat ant-like in appearance, and they crawl and hop fairly slowly. Others are somewhat larger and more active, with a type of "scurry and fly" search pattern very reminiscent of cuckoo wasps. They are generally rarely-encountered, but can be locally abundant, as in the mountain ranges of Southern California.
Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Arthropoda
Latreille, 1829
Subphyla and Classes
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Latreille, 1829
Subphyla and Classes
- Subphylum Trilobitomorpha
- Trilobita - trilobites (extinct)
- Subphylum Chelicerata
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Insecta
Linnaeus, 1758
Orders
Subclass Apterygota
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Linnaeus, 1758
Orders
Subclass Apterygota
- * Archaeognatha (bristletails)
- * Thysanura (silverfish)
- * Infraclass Paleoptera (Probably paraphyletic)
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Hymenoptera
Linnaeus, 1758
Suborders
Apocrita
Symphyta
Hymenoptera is one of the larger orders of insects, comprising the sawflies, wasps, bees, and ants.
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Linnaeus, 1758
Suborders
Apocrita
Symphyta
Hymenoptera is one of the larger orders of insects, comprising the sawflies, wasps, bees, and ants.
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- Symphyta redirects here. For the moth genus, see Symphyta (moth).
Sawflies
Scientific classification
Kingdom: Animalia
Phylum:
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- Symphyta redirects here. For the moth genus, see Symphyta (moth).
Sawflies
Scientific classification
Kingdom: Animalia
Phylum:
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parasitoid is an organism that spends a significant portion of its life history attached to or within a single host organism which it ultimately kills (and often consumes) in the process. Thus they are similar to typical parasites except in the certain fate of the host.
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Hymenoptera
Linnaeus, 1758
Suborders
Apocrita
Symphyta
Hymenoptera is one of the larger orders of insects, comprising the sawflies, wasps, bees, and ants.
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Linnaeus, 1758
Suborders
Apocrita
Symphyta
Hymenoptera is one of the larger orders of insects, comprising the sawflies, wasps, bees, and ants.
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Cladistics is a philosophy of classification that arranges organisms only by their order of branching in an evolutionary tree and not by their morphological similarity, in the words of Luria et al. (1981).
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Apocrita
Superfamilies
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Superfamilies
- Aculeata
- Superfamily Apoidea
- Superfamily Chrysidoidea
- Superfamily Vespoidea
- Parasitica
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ovipositor is an organ used by some of the arthropods for oviposition, i.e. the laying of eggs. It consists of a maximum of three pairs of appendages formed to transmit the egg, to prepare a place for it, and to place it properly.
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thorax is a division of an animal's body that lies between the head and the abdomen.
In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae and the ribs. It extends from the neck to the diaphragm, not including the upper limbs.
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In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae and the ribs. It extends from the neck to the diaphragm, not including the upper limbs.
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dorsal longitudinal muscles compress the thorax from front to back, causing the dorsal surface of the thorax (notum) to bow upwards, and making the wings flip down. A set of tergosternal muscles pull the notum downwards again, causing the wings to flip upwards.
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Siricidae
Genera and Species
about 100 species
Horntail or wood wasp is the common name for any of the 100 non-social species of the family Siricidae, of the order Hymenoptera, a type of xylophagous sawfly.
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Genera and Species
about 100 species
Horntail or wood wasp is the common name for any of the 100 non-social species of the family Siricidae, of the order Hymenoptera, a type of xylophagous sawfly.
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parasitoid is an organism that spends a significant portion of its life history attached to or within a single host organism which it ultimately kills (and often consumes) in the process. Thus they are similar to typical parasites except in the certain fate of the host.
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Chrysididae
Subfamilies
Amiseginae
Chrysidinae
Cleptinae
Loboscelidiinae
Commonly known as cuckoo wasps, the Hymenopteran family Chrysididae
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Subfamilies
Amiseginae
Chrysidinae
Cleptinae
Loboscelidiinae
Commonly known as cuckoo wasps, the Hymenopteran family Chrysididae
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Southern California, also colloquially known as SoCal, is the southern portion of the U.S. state of California. Centered on the cities of Los Angeles and San Diego, Southern California is home to nearly 24 million people and is the nation's second most populated region,
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