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Pisaurina Mira
''Pisaurina mira'', also known as the American nursery web spider, due to the web it raises young in, is a species of spider in the family Pisauridae. They are often mistaken for wolf spiders (Wolf spider, Lycosidae) due to their physical resemblance. ''P. mira'' is distinguished by its unique eye arrangement of two rows. ''P. mira'' is known for its wide distribution across eastern North America and tend to inhabit high weeds or low shrubs in ecotonal areas. It is categorized as a "sit-and-wait ambush predator" that waits for prey to come within reach and snatches them using its chelicerae (clawlike pincers). ''P. mira'' is most well known for its sexual cannibalism, sexually cannibalistic behavior and extensive use of silk web in mating. Prior to copulation, the male binds the female's legs with his silk to avoid being consumed by the female. This silk use for survival has been found to increase ''P. mira'' males' reproductive fitness, as they typically engage in mating w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuptial Gift
Formally, a nuptial gift is a material presentation to a recipient by a donor during or in relation to sexual intercourse that is not simply gametes in order to improve the reproductive fitness of the donor. Often, such a gift will improve the fitness of the recipient as well. This definition implies neutral gifts, costly gifts and beneficial gifts regarding the fitness of the recipient. Nuptial gifting is at the intersection of sexual selection, nutritional ecology, and life history theory, creating a link between the three. Edible and inedible nuptial gifts Many nuptial gifts are a source of nutrition for the recipient. In many species of animals, including birds, insects, and spiders, this takes the form of a food item that is transferred from a male to a female just prior to copulation. This is a behavior known as courtship feeding. Inedible tokens may include items such as a fragment of leaf or twig, a seed tuft, or a silk balloon. How gifts are received There are thre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Athanase Walckenaer
Baron Charles Athanase Walckenaer (25 December 1771 – 28 April 1852) was a French civil servant, writer, man of letters, and scientist. He was a polymath and wrote extensively on geography, natural history, and literature. Major contributions included his multi-volume natural histories of arachnids and insects, some published in collaboration with others. He was made a baron in 1823. Biography Walckenaer was born in Paris and after losing his parents at an early age he was raised by his uncle Charles-Nicolas Duclos Dufresnoy, a notary in the court of Louis XVI. His uncle's elite and educated circle made an impression on the young boy and he was sent to study at the universities of Oxford and Glasgow. Dufresnoy was guillotined in 1794 following the French Revolution for being associated with the regime. In 1793, Walckenaer was appointed head of the military transports in the Pyrenees, after which he pursued technical studies at the École Nationale des Ponts et Chaussées an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nursery Web Spider With Damselfly Prey (29419815556)
Nursery may refer to: Childcare * Nursery (room), a room within the house designed for the care of a young child or children. * Nursery school, a daycare facility for preschool-age children * Prison nursery, for imprisoned mothers with their young children Places * Nursery, Texas, unincorporated community in Victoria County, Texas, United States * Nursery, Karachi, a suburb of Karachi, Sindh, Pakistan * Nursery Site, RI-273, historic site in Westerly, Rhode Island, United States * Nursery, British Columbia, a populated community in British Columbia Music * '' Nursery Suite'' (1931), by Edward Elgar * ''The Nursery'' (song cycle) (1870), by Modest Mussorgsky Art * '' The Nursery'' (1660s), painting by Gerard Dou, lost with the sinking of the Vrouw Maria in 1771 * ''The Nursery (Christmas Stockings)'' (1936), painting by Stanley Spencer (76.5x91.8cm) Plants and gardens * Plant nursery, a place where young plants or trees are raised * Garden centre, retailer that sells plants ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tarnished Plant Bug
The tarnished plant bug (TPB), ''Lygus lineolaris'', is a species of plant-feeding insect in the family Miridae. It has piercing-sucking mouthparts and has become a serious pest on small fruits and vegetables in North America. It is considered a highly polyphagous species and feeds on over half of all commercially grown crop plants, but favors cotton, alfalfa, beans, stone fruits, and conifer seedlings. A study done in southwestern Quebec, Canada has investigated the presence of ''L. lineolaris'' in a commercial vineyard.Fleury, D., Mauffette, Y., Methot, S., Vincent, C. (2010). Activity of ''Lygus lineolaris'' (Heteroptera: Miridae) Adults Monitored around the Periphery and inside a Commercial Vineyard. ''European Journal of Entomology, 107(4)'', Pg. 527-534. This study also indicated that weeds that grow from cultivation of crops serve as an important food source for ''L. lineolaris''. This insect can be found across North America, from northern Canada to southern Mexico. Adults ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fitness (biology)
Fitness (often denoted w or ω in population genetics models) is a quantitative representation of individual reproductive success. It is also equal to the average contribution to the gene pool of the next generation, made by the same individuals of the specified genotype or phenotype. Fitness can be defined either with respect to a genotype or to a phenotype in a given environment or time. The fitness of a genotype is manifested through its phenotype, which is also affected by the developmental environment. The fitness of a given phenotype can also be different in different selective environments. With asexual reproduction, it is sufficient to assign fitnesses to genotypes. With sexual reproduction, recombination scrambles alleles into different genotypes every generation; in this case, fitness values can be assigned to alleles by averaging over possible genetic backgrounds. Natural selection tends to make alleles with higher fitness more common over time, resulting in Darwini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pedipalp
Pedipalps (commonly shortened to palps or palpi) are the secondary pair of forward appendages among Chelicerata, chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders. The pedipalps are lateral to the chelicerae ("jaws") and anterior to the first pair of walking legs. Overview Pedipalps are composed of six segments or articles. From the proximal end (where they are attached to the body) to the distal, they are: the coxa, the Arthropod leg#Trochanter, trochanter, the Arthropod leg#Femur, femur, the short Glossary_of_spider_terms#patella, patella, the Glossary_of_spider_terms#tibia, tibia, and the Arthropod_leg#Tarsus, tarsus. In spiders, the coxae frequently have extensions called Glossary_of_spider_terms#maxilla , maxillae or gnathobases, which function as mouth parts with or without some contribution from the coxae of the anterior arthropod leg, legs. The limbs themselves may be simple tactile organs outwardly resembling the legs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Cannibalism
Sexual cannibalism is when an animal, usually the female, Cannibalism, cannibalizes its mate prior to, during, or after Copulation (zoology), copulation. This trait is observed in many arachnid orders, several insect and crustacean clades, Gastropoda, gastropods, and some snake species. Several hypotheses to explain this seemingly paradoxical behavior have been proposed, including the adaptive foraging hypothesis, aggressive spillover hypothesis and mistaken identity hypothesis. This behavior is believed to have evolved as a manifestation of sexual conflict, occurring when the reproductive interests of males and females differ. In many species that exhibit sexual cannibalism, the female consumes the male upon detection. Females of cannibalistic species are generally hostile and unwilling to mate; thus many males of these species have developed adaptive behaviors to counteract female aggression. Prevalence Sexual cannibalism occurs among insects, arachnids and Amphipoda, amphipods. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Big Mama 07
Big or BIG may refer to: * Big, of great size or degree Film and television * ''Big'' (film), a 1988 fantasy-comedy film starring Tom Hanks * ''Big'', a 2023 Taiwanese children's film starring Van Fan and Chie Tanaka * ''Big!'', a Discovery Channel television show * ''Richard Hammond's Big'', a television show presented by Richard Hammond * ''Big'' (TV series), a 2012 South Korean TV series * "Big" (''My Hero''), a 2003 television episode * ''Banana Island Ghost'', a 2017 fantasy action comedy film Music * '' Big: the musical'', a 1996 musical based on the film * Big Records, a record label * ''Big!'' (Betty Who album) * ''Big'' (album), a 2007 album by Macy Gray * "Big" (Brassmunk song) * "Big" (Dead Letter Circus song) * "Big" (Fontaines D.C. song) * "Big" (Juice Wrld song) * "Big" (Sneaky Sound System song) * "Big" (Rita Ora and Imanbek song) * "Big" (Young M.A song) * "Big", a 1990 song by New Fast Automatic Daffodils * "Big", a 2021 song by Jade Eagleson from ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moulting
In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is a process by which an animal casts off parts of its body to serve some beneficial purpose, either at specific times of the year, or at specific points in its life cycle. In medieval times, it was also known as "mewing" (from the French verb "muer", to moult), a term that lives on in the name of Britain's Royal Mews where the King's hawks used to be kept during moulting time before becoming horse stables after Tudor times. Moulting can involve shedding the Epidermis (skin), epidermis (skin), pelage (hair, feathers, fur, wool), or other external layer. In some groups, other body parts may be shed, for example, the entire exoskeleton in arthropods, including the wings in some insects. Examples In birds In birds, moulting is the periodic replacement of feathers by shedding old feathers while producing new ones. Feathers are dead struct ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tigrosa Helluo
''Tigrosa helluo'', commonly known as the Wetland Giant Wolf Spider, is a species of spider belonging to the family Lycosidae, also known as wolf spiders. ''T. helluo'' was formerly known as ''Hogna helluo'' before differences between dorsal color patterns, habitat preferences, body structures, etc. were discovered. The species is native to the United States, Canada, and Mexico. It can be found across the eastern half of the United States, primarily in the Northeast and New England, and as far west as Nebraska and Kansas. ''T. helluo'' can be found in diverse habitats including woods, marshes, fields, and riparian areas. Typically, members of this species prefer to live in wetter areas as opposed to dry environments. Males tend to live for around a year and females will live for close to two years. The defining characteristic of ''T. helluo'' is its brown carapace and distinct yellow stripe starting from its anterior eyes extending down the cephalothorax. The unders ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spider
Spiders (order (biology), order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude spider silk, silk. They are the largest order of arachnids and rank seventh in total species diversity among all Order (biology), orders of organisms. Spiders are found worldwide on every continent except Antarctica, and have become established in nearly every land habitat. , 53,034 spider species in 136 Family (biology), families have been recorded by Taxonomy (biology), taxonomists. However, there has been debate among scientists about how families should be classified, with over 20 different classifications proposed since 1900. Anatomy, Anatomically, spiders (as with all arachnids) differ from other arthropods in that the usual body segmentation (biology), segments are fused into two Tagma (biology), tagmata, the cephalothorax or prosoma, and the opisthosoma, or abdomen, and joined by a small, cylindr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
