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Trabutina
''Trabutina'' is a genus of "blue-green" mealybugs, containing five species: '' T. crassispinosa'', '' T. elastica'', '' T. mannipara'', '' T. serpentina'', and '' T. tenax''. This genus of scale insects feeds solely on plants of the genus ''Tamarix''. Its type species is '' T. mannipara''. ''Trabutina'' insects produce a sweet excretion which is used as a food in Israel and Iraq. ''Polyrhachis simplex ''Polyrhachis'' is a genus of formicine ants found in the Old World with over 600 species. The genus is yet to be comprehensively resolved and contains many varied species including nest-weavers (e.g. ''Polyrhachis dives''), swimming workers (e ...'', a species of weaver ants, also feeds on the sugary secretions. References Sternorrhyncha genera Pseudococcidae {{Coccoidea-stub ...
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Trabutina Mannipara
''Trabutina mannipara'', or mana scale, is a species of mealybug found in the Middle East and southern Europe. It is the most well-known of the five species in the genus ''Trabutina'', of which it is the type species, due to its association with the biblical story of manna. ''T. mannipara'' feeds parasitically on tamarisk trees, and excretes a sweet substance which is sometimes collected for human consumption. Obsolete terms for it include ''Coccus manniparus'' and ''Trabutina palestina''. This species can be found in the Sinai and Iraq. It was described in 1829 by Hemprich and Ehrenberg (as ''Coccus manniparus''), after investigation in the Sinai mountains.M. Bertholet (1862).On the Manna of Sinai, and the Manna of Syria. ''The Pharmaceutical Journal and Transactions''. Second Series, Volume 3. p. 274. Ehrenberg believed that the bite wounds in the tamarisk plant created as the insects fed on the plant caused a sweet sticky substance known locally as "manna", and which Ehrenberg ...
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Trabutina Elastica
''Trabutina'' is a genus of " blue-green" mealybugs, containing five species: '' T. crassispinosa'', '' T. elastica'', '' T. mannipara'', '' T. serpentina'', and '' T. tenax''. This genus of scale insects feeds solely on plants of the genus ''Tamarix''. Its type species is '' T. mannipara''. ''Trabutina'' insects produce a sweet excretion which is used as a food in Israel and Iraq. ''Polyrhachis simplex ''Polyrhachis'' is a genus of formicine ants found in the Old World with over 600 species. The genus is yet to be comprehensively resolved and contains many varied species including nest-weavers (e.g. ''Polyrhachis dives''), swimming workers (e ...'', a species of weaver ants, also feeds on the sugary secretions. References Sternorrhyncha genera Pseudococcidae {{Coccoidea-stub ...
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Pseudococcidae
Mealybugs are insects in the family Pseudococcidae, unarmored scale insects found in moist, warm habitats. Many species are considered pests as they feed on plant juices of greenhouse plants, house plants and subtropical trees and also act as a vector for several plant diseases. Some ants live in symbiotic relationships with them, protecting them from predators and feeding off the honeydew which they excrete. Description Mealybugs are sexually dimorphic: females appear as nymphs, exhibiting reduced morphology, and lack wings, although unlike many female scale insects, they often retain legs and can move. Males are smaller, gnat-like and have wings. Since mealybugs (as well as all other Hemiptera) are hemimetabolous insects, they do not undergo complete metamorphosis in the true sense of the word. However, male mealybugs do exhibit a radical change during their life cycle, changing from wingless, ovoid nymphs to wasp-like flying adults. Mealybug females feed on plant sap, n ...
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Mealybugs
Mealybugs are insects in the family Pseudococcidae, unarmored scale insects found in moist, warm habitats. Many species are considered pests as they feed on plant juices of greenhouse plants, house plants and subtropical trees and also act as a vector for several plant diseases. Some ants live in symbiotic relationships with them, protecting them from predators and feeding off the honeydew which they excrete. Description Mealybugs are sexually dimorphic: females appear as nymphs, exhibiting reduced morphology, and lack wings, although unlike many female scale insects, they often retain legs and can move. Males are smaller, gnat-like and have wings. Since mealybugs (as well as all other Hemiptera) are hemimetabolous insects, they do not undergo complete metamorphosis in the true sense of the word. However, male mealybugs do exhibit a radical change during their life cycle, changing from wingless, ovoid nymphs to wasp-like flying adults. Mealybug females feed on plant sap, ...
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Polyrhachis Simplex
''Polyrhachis'' is a genus of formicine ants found in the Old World with over 600 species. The genus is yet to be comprehensively resolved and contains many varied species including nest-weavers (e.g. ''Polyrhachis dives''), swimming workers (e.g. ''Polyrhachis sokolova''), soil (e.g. ''Polyrhachis proxima'') and tree-dwellers (e.g. ''Polyrhachis bicolor''). General morphology Size: Workers range in size approx 5-10mm in length. Eyes developed, no ocelli. Antennae have 12-segments. Antennal insertions situated far from posterior margin of clypeus. Mesosoma of most species have spines on one or more of its pronotal, mesonotal or propodeal components. Petiole armed with spines or teeth. First gastral tergite well developed, longer in dorsal view than exposed parts of the following terga together. Opening at gastral apex for release of venom lacking a radial fringe of hairs. Ecology ''Polyrhachis'' species include an array of nesting types ranging from terrestrial, soil based nes ...
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Jun Mitsuhashi
is a Japanese entomologist, author, and a retired professor at the Tokyo University of Agriculture. Biography Mitsuhashi graduated from the Faculty of Agriculture program at the University of Tokyo, receiving a Bachelor of Agriculture The Bachelor of Science in Agriculture (BSAg) or the Bachelor of Agriculture (BAg) is the undergraduate academic degree awarded by tertiary faculty of agriculture. The program is typically four years of study at postsecondary level. In Canada, t ... degree in 1955. In 1965, he received a Doctor of Agriculture degree at the University of Tokyo. He was a professor at the Tokyo University of Agriculture until 2012. His entomology works include scholarly articles and books. References External linksGoogle Scholar 1932 births Living people Japanese entomologists Japanese educators {{entomologist-stub ...
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Type Species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen(s). Article 67.1 A similar concept is used for suprageneric groups and called a type genus. In botanical nomenclature, these terms have no formal standing under the code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name that has that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have such types.
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Tamarix
The genus ''Tamarix'' (tamarisk, salt cedar, taray) is composed of about 50–60 species of flowering plants in the family Tamaricaceae, native to drier areas of Eurasia and Africa. The generic name originated in Latin and may refer to the Tamaris River in Hispania Tarraconensis (Spain). Description They are evergreen or deciduous shrubs or trees growing to in height and forming dense thickets. The largest, '' Tamarix aphylla'', is an evergreen tree that can grow to tall. They usually grow on saline soils, tolerating up to 15,000 ppm soluble salt, and can also tolerate alkaline conditions. Tamarisks are characterized by slender branches and grey-green foliage. The bark of young branches is smooth and reddish brown. As the plants age, the bark becomes gray-brown, ridged and furrowed. The leaves are scale-like, almost like that of junipers, 1–2 mm (1/20" to 1/10") long, and overlap each other along the stem. They are often encrusted with salt secretions. The pink t ...
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Scale Insects
Scale insects are small insects of the order Hemiptera, suborder Sternorrhyncha. Of dramatically variable appearance and extreme sexual dimorphism, they comprise the infraorder Coccomorpha which is considered a more convenient grouping than the superfamily Coccoidea due to taxonomic uncertainties. Adult females typically have soft bodies and no limbs, and are concealed underneath domed scales, extruding quantities of wax for protection. Some species are hermaphroditic, with a combined ovotestis instead of separate ovaries and testes. Males, in the species where they occur, have legs and sometimes wings, and resemble small flies. Scale insects are herbivores, piercing plant tissues with their mouthparts and remaining in one place, feeding on sap. The excess fluid they imbibe is secreted as honeydew on which sooty mold tends to grow. The insects often have a mutualistic relationship with ants, which feed on the honeydew and protect them from predators. There are about 8,000 des ...
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