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Misumena Vatia
''Misumena vatia'' is a species of crab spider with a holarctic distribution. In North America, it is called the goldenrod crab spider or flower (crab) spider,Acorn, John and Sheldon, Ian. (2003). ''Bugs of Ontario'' Edmonton: Lone Pine Publishing as it is commonly found hunting in goldenrod sprays and milkweed plants. They are called crab spiders because of their unique ability to walk sideways as well as forwards and backwards. Both males and females of this species progress through several molts before reaching their adult sizes, though females must molt more to reach their larger size. Females can grow up to while males are quite small, reaching at most. ''Misumena vatia'' are usually yellow or white or a pattern of these two colors. They may also present with pale green or pink instead of yellow, again, in a pattern with white. They have the ability to change between these colors based on their surroundings through the molting process. They have a complex visual system, wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hesperia Comma
''Hesperia comma'', the silver-spotted skipper or common branded skipper, is a butterfly of the family Hesperiidae. It is known as silver-spotted skipper in Europe and common branded skipper in North America where the butterfly ''Epargyreus clarus'', a spread-winged skipper, also has the common name of "silver-spotted skipper". Appearance, behaviour and distribution Often confused with the large skipper ''Ochlodes venata'', this species is easily distinguished by the numerous white spots on the underside hindwings, and the tips of the upper forewings tend to be darker than those of the large skipper. Also their flight periods rarely overlap; in Britain the large skipper has all but finished when the silver-spotted takes to the wing in August. The silver-spotted skipper prefers warm calcareous sites and has a wide distribution as far south as North Africa, northwards throughout Europe to the Arctic and eastwards across Asia to China and Japan. It also has subspecies in North Amer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sunflower
The common sunflower (''Helianthus annuus'') is a large annual forb of the genus ''Helianthus'' grown as a crop for its edible oily seeds. Apart from cooking oil production, it is also used as livestock forage (as a meal or a silage plant), as bird food, in some industrial applications, and as an ornamental in domestic gardens. Wild ''H. annuus'' is a widely branched annual plant with many flower heads. The domestic sunflower, however, often possesses only a single large inflorescence (flower head) atop an unbranched stem. The binomial name ''Helianthus annuus'' is derived from the Greek ''Helios'' 'sun' and ''anthos'' 'flower', while the epithet ''annuus'' means 'annual' in Latin. The plant was first domesticated in the Americas. Sunflower seeds were brought to Europe from the Americas in the 16th century, where, along with sunflower oil, they became a widespread cooking ingredient. With time, bulk of industrial-scale production has shifted to Eastern Europe, and () Russ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anatomical Terms Of Location
Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. As part of defining and describing terms, the body is described through the use of anatomical planes and anatomical axes. The meaning of terms that are used can change depending on whether an organism is bipedal or quadrupedal. Additionally, for some animals such as invertebrates, some terms may not have any meaning at all; for example, an animal that is radially symmetrical will have no anterior surface, but can still have a description that a part is close to the middle ("proximal") or further from the middle ("distal"). International organisations have determined vocabularies that are often used as standard vocabularies for subdisciplines of anatom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Goldenrod Spider
Goldenrod is a common name for many species of flowering plants in the sunflower family, Asteraceae, commonly in reference to the genus ''Solidago''. Several genera, such as ''Euthamia'', were formerly included in a broader concept of the genus ''Solidago''. Some authors treat ''Oligoneuron'', the flat-topped goldenrods, as a separate genus than ''Solidago'', while others consider it a section: ''Solidago'' sect. ''Ptarmicoidei''. Goldenrods can be used as a sustainable method to enrich soil with nitrogen. With an increase of nitrogen levels, there can then be an increase of vegetative growth. Plants known as goldenrods include: *''Bigelowia'' spp., rayless goldenrods, 2 species native to the Southeastern United States *''Cuniculotinus gramineus'', Panamint rock goldenrod *''Euthamia'' spp., flat-topped goldenrods or grass-leaved goldenrods, 5 species native to North America *''Gundlachia triantha'', Trans-Pecos desert goldenrod *'' Lorandersonia microcephala'', small-headed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rosa Carolina
''Rosa carolina'', commonly known as the Carolina rose, pasture rose, or prairie rose, is a perennial shrub in the rose family native to eastern North America. It can be found in nearly all US states and Canadian provinces east of the Great Plains. It is common throughout its range and can be found in a wide variety of open habitats, from thickets and open woods to roadsides and along railroads. Description ''Rosa carolina'' is a perennial shrub. The stems have straight, needle-like thorns, which distinguishes it from very similar species such as '' R. palustris'' and '' R. virginiana'', which have curved thorns. The fragrant flowers emerge in early summer. Blooms are about 6 to 8 centimeters (2.5 to 3 inches) in diameter, with five light pink petals and a yellow center. Flowers are typically borne singly on the ends of the current year's growth. There is no repeat bloom. The stems of the rose are upright, grayish in color on new growth, and brown on larger, older branches. Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kynurenine
-Kynurenine is a metabolite of the amino acid -tryptophan used in the production of niacin. Kynurenine is synthesized by the enzyme tryptophan dioxygenase, which is made primarily but not exclusively in the liver, and indoleamine 2,3-dioxygenase, which is made in many tissues in response to immune activation. Kynurenine and its further breakdown products carry out diverse biological functions, including dilating blood vessels during inflammation and regulating the immune response. Some cancers increase kynurenine production, which increases tumor growth. Evidence suggests that increased kynurenine production may precipitate depressive symptoms associated with interferon treatment for hepatitis C. Cognitive deficits in schizophrenia are associated with imbalances in the enzymes that break down kynurenine. Blood levels of kynurenine are reduced in people with bipolar disorder. Kynurenine production is increased in Alzheimer's disease and cardiovascular disease where its metabolit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaerophyllum Temulum
''Chaerophyllum temulum'', the rough chervil, is a species of flowering plant in the family Apiaceae. Unlike several other species in the genus, ''Chaerophyllum temulum'' is poisonous.Starý, František, Poisonous Plants (Hamlyn colour guides) – pub. Paul Hamlyn April, 1984, translated from the Czech by Olga Kuthanová. Etymology The generic name ''Chaerophyllum'' is a compound of the Greek elements ''chairo'' 'to please' and ''phyllon'' a leaf, giving the meaning 'having pleasant foliage'. The specific name ''temulum'' or ''temulentum'' means 'drunken' - from the similarity of the symptoms elicited by poisoning by the plant to those of alcoholic intoxication. Description Somewhat hispid, biennial herb. Stems to , solid, swollen below nodes, purple-spotted or wholly purple. Leaves bi- to tri-pinnate, dark green, appressed-hairy on both surfaces, longipetiolate: lobes mostly , ovate in outline, deeply toothed, the teeth contracted abruptly at the apex. Umbels compound, bearin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guanine
Guanine () ( symbol G or Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. The guanine nucleoside is called guanosine. With the formula C5H5N5O, guanine is a derivative of purine, consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds. This unsaturated arrangement means the bicyclic molecule is planar. Properties Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA. Guanine has two tautomeric forms, the major keto form (see figures) and rare enol form. It binds to cytosine through three hydrogen bonds. In cytosine, the amino group acts as the hydrogen bond donor and the C-2 carbonyl and the N-3 amine as the hydrogen-bond acceptors. Guanine has the C-6 carbonyl group that acts as the hydrogen bond acceptor, while a group at N ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomisus Spectabilis
''Thomisus spectabilis'', also known as the white crab spider or Australian crab spider, is a small spider found in Australia and far east Asia. The body length of the female is up to 10 mm, the male 6.2 mm. Including legs, the spider is around 3 cm across.Australian Spiders in Colour - Ramon Mascord 1970 SBN 589 07065 7, page 48 This spider is usually white, though sometimes may appear yellow. The legs and head appear almost translucent. ''Thomisus spectabilis'' is an ambush predator, often seen resting in flowers of its same color. Its egg sacs are laid in a folded leaf, and the cream colored eggs, typically 1 mm in diameter, range between 200 and 370 in number. These spiders primarily eat insects and their preference for symmetry helps them in capturing pollinating insects such as butterflies and bees.Astrid M. Heiling, Ken Cheng, Marie E. Herberstein, Exploitation of floral signals by crab spiders (''Thomisus spectabilis'', Thomisidae), ''Behavioral Eco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomisus Onustus
''Thomisus onustus'' is a crab spider belonging to the genus '' Thomisus''. These spiders are found across Europe, North Africa, and parts of the Middle East and Asia. ''T. onustus'' reside in flowers in lowland vegetation. Females are distinguished by their larger size and ability to change color between white, yellow, and pink as a means of matching flower color. This cryptic mimicry allows them to both evade predators and enhance insect prey capture abilities. Males are smaller, more slender, and drab in coloration, usually green or brown. ''T. onustus'' is also distinguished from other relatives by its distinct life cycle patterns in which spiderlings emerge in either late summer or early spring. Furthermore, ''T. onustus'' have developed a mutualistic relationship with host plants where spiders feed on and/or deter harmful florivores while benefiting from the plant's supply of pollen and nectar, which ''T. onustus'' spiders are able to use as food sources, especially during pe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Misumena Vatia Vs Episyrphus Balteatus
''Misumena'' is a genus of crab spiders sometimes referred to as flower crab spiders. They are similar in appearance to several other genera in the family Thomisidae, such as '' Misumenoides'' and '' Mecaphesa''. ''Misumena vatia'', the goldenrod crab spider, is a North American species commonly seen hunting in goldenrod (''Solidago'') sprays in autumn. It can change its color between white and yellow to match the flower it is sitting on. The color change takes a few days. Species , the World Spider Catalog The World Spider Catalog (WSC) is an online searchable database concerned with spider taxonomy. It aims to list all accepted families, genera and species, as well as provide access to the related taxonomic literature. The WSC began as a series of ... listed the following 40 species: References * (2008)The world spider catalog version 8.5. ''American Museum of Natural History''. Thomisidae Thomisidae genera Cosmopolitan spiders Taxa named by Pierre André Latr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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