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Bryobia Cristata
''Bryobia'' is a genus of mites in the spider mite family, Tetranychidae. The taxonomy of the genus is difficult. The genus has been revised several times. It is difficult to distinguish these tiny species from each other on the basis of morphological characters, and there is little agreement on which characteristics are of importance. Also, species can be variable in morphology. Over 130 species have been described, but many of the names are likely synonyms.Ros, V. I. D. (2009)Evolutionary consequences of reproductive parasites in spider mites.''Entomologische Berichten'' 70(5) 154-61. Description ''Bryobia'' mites are among the largest spider mites. The adult is visible to the naked eye. Mites of this genus are mainly distinguished by the arrangement of the setae on their bodies.Khanjani, M., et al. (2008)A species of the genus ''Bryobia'' Koch (Acari: Tetranychidae) from Iran.''International Journal of Acarology'' 34(3) 243-49. In general, these mites are red in color with whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. Phylogeneti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hybrid (biology)
In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different varieties, subspecies, species or genera through sexual reproduction. Generally, it means that each cell has genetic material from two different organisms, whereas an individual where some cells are derived from a different organism is called a chimera. Hybrids are not always intermediates between their parents such as in blending inheritance (a now discredited theory in modern genetics by particulate inheritance), but can show hybrid vigor, sometimes growing larger or taller than either parent. The concept of a hybrid is interpreted differently in animal and plant breeding, where there is interest in the individual parentage. In genetics, attention is focused on the numbers of chromosomes. In taxonomy, a key question is how closely related the parent species are. Species are reproductively isolated by strong barriers to hybridization, which include genetic and morph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Convolvulus Arvensis
''Convolvulus arvensis'', or field bindweed, is a species of bindweed in the Convolvulaceae native to Europe and Asia. It is a rhizomatous and climbing or creeping herbaceous perennial plant with stems growing to in length. It is usually found at ground level with small white and pink flowers. Other common names, mostly obsolete, include lesser bindweed, European bindweed, withy wind (in basket willow crops), perennial morning glory, small-flowered morning glory, creeping jenny, and possession vine. Taxonomy Field bindweed was first described in 1753 by Carl Linnaeus in the ''Species Plantarum''. In the following centuries, many subspecies, varieties, and synonymous taxa were discovered and described as purportedly new species in places including China, Russia, Egypt, and Morocco. New species and forms were described as far as Chile, Mexico, and the state of California when botanists encountered the plant there, although it is not native to these areas. In the ninth volume ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bryobia Convolvulus
''Bryobia'' is a genus of mites in the spider mite family, Tetranychidae. The taxonomy of the genus is difficult. The genus has been revised several times. It is difficult to distinguish these tiny species from each other on the basis of morphological characters, and there is little agreement on which characteristics are of importance. Also, species can be variable in morphology. Over 130 species have been described, but many of the names are likely synonyms.Ros, V. I. D. (2009)Evolutionary consequences of reproductive parasites in spider mites.''Entomologische Berichten'' 70(5) 154-61. Description ''Bryobia'' mites are among the largest spider mites. The adult is visible to the naked eye. Mites of this genus are mainly distinguished by the arrangement of the setae on their bodies.Khanjani, M., et al. (2008)A species of the genus ''Bryobia'' Koch (Acari: Tetranychidae) from Iran.''International Journal of Acarology'' 34(3) 243-49. In general, these mites are red in color with whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olive
The olive, botanical name ''Olea europaea'' ("European olive"), is a species of Subtropics, subtropical evergreen tree in the Family (biology), family Oleaceae. Originating in Anatolia, Asia Minor, it is abundant throughout the Mediterranean Basin, with wild subspecies in Africa and western Asia; modern Cultivar, cultivars are traced primarily to the Near East, Aegean Sea, and Strait of Gibraltar. The olive is the type species for its genus, ''Olea'', and lends its name to the Oleaceae plant family, which includes species such as Syringa vulgaris, lilac, jasmine, forsythia, and Fraxinus, ash. The olive fruit is classed botanically as a drupe, similar to the cherry or peach. The term oil—now used to describe any Viscosity, viscous Hydrophobe, water-insoluble liquid—was virtually synonymous with olive oil, the Vegetable oil, liquid fat made from olives. The olive has deep historical, economic, and cultural significance in the Mediterranean; Georges Duhamel (author), George ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bryobia Attica
''Bryobia'' is a genus of mites in the spider mite family, Tetranychidae. The taxonomy of the genus is difficult. The genus has been revised several times. It is difficult to distinguish these tiny species from each other on the basis of morphological characters, and there is little agreement on which characteristics are of importance. Also, species can be variable in morphology. Over 130 species have been described, but many of the names are likely synonyms.Ros, V. I. D. (2009)Evolutionary consequences of reproductive parasites in spider mites.''Entomologische Berichten'' 70(5) 154-61. Description ''Bryobia'' mites are among the largest spider mites. The adult is visible to the naked eye. Mites of this genus are mainly distinguished by the arrangement of the setae on their bodies.Khanjani, M., et al. (2008)A species of the genus ''Bryobia'' Koch (Acari: Tetranychidae) from Iran.''International Journal of Acarology'' 34(3) 243-49. In general, these mites are red in color with whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Artemisia (genus)
''Artemisia'' ( ) is a large, diverse genus of plants belonging to the daisy family, Asteraceae, with almost 500 species. Common names for various species in the genus include mugwort, wormwood, and sagebrush. Some botanists split the genus into several genera, but DNA analysis does not support the maintenance of the genera ''Crossostephium'', ''Filifolium'', ''Neopallasia'', ''Seriphidium'', and ''Sphaeromeria''; three other segregate genera—''Stilnolepis'', ''Elachanthemum'', and ''Kaschgaria''—are maintained by this evidence. Occasionally, some of the species are called sages, causing confusion with the ''Salvia'' sages in the family Lamiaceae. ''Artemisia'' comprises hardy herbaceous plants and shrubs, which are known for the powerful chemical constituents in their essential oils. ''Artemisia'' species grow in temperate climates of both hemispheres, usually in dry or semiarid habitats. Notable species include '' A. vulgaris'' (common mugwort), '' A. triden ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bryobia Artemisiae
''Bryobia'' is a genus of mites in the spider mite family, Tetranychidae. The taxonomy of the genus is difficult. The genus has been revised several times. It is difficult to distinguish these tiny species from each other on the basis of morphological characters, and there is little agreement on which characteristics are of importance. Also, species can be variable in morphology. Over 130 species have been described, but many of the names are likely synonyms.Ros, V. I. D. (2009)Evolutionary consequences of reproductive parasites in spider mites.''Entomologische Berichten'' 70(5) 154-61. Description ''Bryobia'' mites are among the largest spider mites. The adult is visible to the naked eye. Mites of this genus are mainly distinguished by the arrangement of the setae on their bodies.Khanjani, M., et al. (2008)A species of the genus ''Bryobia'' Koch (Acari: Tetranychidae) from Iran.''International Journal of Acarology'' 34(3) 243-49. In general, these mites are red in color with whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ectoparasite
Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted structurally to this way of life. The entomologist E. O. Wilson characterised parasites' way of feeding as "predators that eat prey in units of less than one". Parasites include single-celled protozoans such as the agents of malaria, sleeping sickness, and amoebic dysentery; animals such as hookworms, lice, mosquitoes, and vampire bats; fungi such as Armillaria mellea, honey fungus and the agents of ringworm; and plants such as mistletoe, dodder, and the Orobanchaceae, broomrapes. There are six major parasitic Behavioral ecology#Evolutionarily stable strategy, strategies of exploitation of animal hosts, namely parasitic castration, directly transmitted parasitism (by contact), wikt:trophic, trophicallytransmitted parasitism (by being eaten), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pest (organism)
A pest is any organism harmful to humans or human concerns. The term is particularly used for creatures that damage crops, livestock, and forestry or cause a nuisance to people, especially in their homes. Humans have modified the environment for their own purposes and are intolerant of other creatures occupying the same space when their activities impact adversely on human objectives. Thus, an elephant is unobjectionable in its natural habitat but a pest when it tramples crops. Some animals are disliked because they bite or sting; wolves, snakes, wasps, ants, bed bugs, fleas and ticks belong in this category. Others enter the home; these include houseflies, which land on and contaminate food; beetles, which tunnel into the woodwork; and other animals that scuttle about on the floor at night, like rats and cockroaches, which are often associated with unsanitary conditions. Agricultural and horticultural crops are attacked by a wide variety of pests, the most important being ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bryobia Praetiosa
The clover mite (''Bryobia praetiosa'') is a species of mite. Clover mites are located worldwide across every continent except Antarctica. Clover mites usually reside in vegetation, rocks, or other common surfaces in which they typically feed on nearby foliage including, but not limited to clovers, dandelions, and other available plants. Description Clover mites are oval-shaped arachnids, long, with a pair of long legs pointing forward often mistaken for antennae. They are reddish brown; the younger ones and the eggs are a bright red. They are extremely common in late spring in North America. They possess piercing-sucking mouthparts, used to consume plant sap. Ecology Clover mites are polyphagous, feeding on a wide range of plants, including "lawn grasses, ornamental flowers, clover, dandelion, shepherd's purse, strawberry, daffodil, ''Salvia'', ''Alyssum ''Alyssum'' is a genus of over a hundred species of flowering plants in the family Brassicaceae, native to Europe, As ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apomixis
In botany, apomixis is asexual development of seed or embryo without fertilization. However, other definitions include replacement of the seed by a plantlet or replacement of the flower by bulbils. Apomictically produced offspring are genetically identical to the parent plant, except in nonrecurrent apomixis. Its etymology is Greek for "away from" + "mixing". Normal asexual reproduction of plants, such as propagation from cuttings or leaves, has never been considered to be apomixis. In contrast to parthenocarpy, which involves seedless fruit formation without fertilization, apomictic fruits have viable seeds containing a proper embryo, with asexual origin. In flowering plants, the term "apomixis" is used in a restricted sense to mean agamospermy, i.e. clonal reproduction through seeds. Although agamospermy could theoretically occur in gymnosperms, it appears to be absent in that group. Apogamy is a related term that has had various meanings over time. In plants with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
