Rhathymini
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Rhathymini
The Rhathymini are a tribe of kleptoparasitic apid bees ("cuckoo bees"). Description The Rhathymini consists of bees typically moderate to large in size, ranging body length. Visually, scholars have compared their appearance to that of vespid wasps (especially ''Polistes''), or the giant species of the bee genus '' Nomada.'' Behavior As a kleptoparasitic species, the Rhathymini forego the typical pollination Pollination is the transfer of pollen from an anther of a plant to the stigma (botany), stigma of a plant, later enabling fertilisation and the production of seeds. Pollinating agents can be animals such as insects, for example bees, beetles or bu ... process common amongst bee species to feed their offspring, and instead lay their eggs within the nests already provisioned by other bee species. Rhathymini have been documented to display aggression toward other bee ecosystems, including documented instances of attacking the nests of other bees. Genera *'' Nanorha ...
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Apinae
The Apinae are the subfamily that includes the majority of bees in the family Apidae. It includes the familiar "pollen basket, corbiculate" (pollen basket) bees—bumblebees, honey bees, euglossini, orchid bees, stingless bees, and the extinct genus ''Euglossopteryx''. It also includes all but two of the groups (excluding Nomadinae and Xylocopinae) that were previously classified in the family Anthophoridae. Most species in the subfamily (other than honey bees, bumblebees, and stingless bees) are solitary, though several of the Tribe (biology), tribes are entirely kleptoparasite, kleptoparasitic, such as the Ericrocidini, Isepeolini, Melectini, Osirini, Protepeolini, and Rhathymini. Behaviors Certain behaviors are known from members of the Apinae that are rarely seen in other bees, including the habit of males forming "sleeping aggregations" on vegetation - several males gathering on a single plant in the evening, grasping a plant with their jaws and resting there through the nig ...
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Apidae
Apidae is the largest family within the superfamily Apoidea, containing at least 5700 species of bees. The family includes some of the most commonly seen bees, including bumblebees and honey bees, but also includes stingless bees (also used for honey production), carpenter bees, euglossini, orchid bees, nomadinae, cuckoo bees, and a number of other less widely known groups.BugGuide.Net: the Family Apidae (of bees)
. accessed 6.23.2013
Many are valuable pollinators in natural habitats and for agricultural crops.[Michener, Charles D. (2007) ''The bees of the world''. The Johns Hopkins University Press. Baltimore, Londres.]


Taxonomy

In addition to its historical classification (honey bees, bumble bees, stingless bees and orchid bees), the family Apidae presently includes ...
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Nanorhathymus
''Nanorhathymus'' is a genus of cuckoo bees belonging to the tribe Rhathymini The Rhathymini are a tribe of kleptoparasitic apid bees ("cuckoo bees"). Description The Rhathymini consists of bees typically moderate to large in size, ranging body length. Visually, scholars have compared their appearance to that of ve .... Species of this genus have been founded throughout Central and Eastern South America, up to Mexico. Species *'' Nanorhathymus bertonii'' *'' Nanorhathymus acutiventris'' References Apinae Bee genera Brood parasites {{Apinae-stub ...
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Amédée Louis Michel Le Peletier, Comte De Saint-Fargeau
Amédée Louis Michel le Peletier, comte de Saint-Fargeau (9 October 1770 – 23 August 1845), also spelled Lepeletier or Lepelletier, was a French people, French Entomology, entomologist, and specialist in the Hymenoptera. In 1833, he served as president of the Société entomologique de France. Works *with Gaspard Auguste Brullé ''doi:10.5962/bhl.title.9005, Histoire naturelle des insectes. Hyménoptères''. Nicolas Roret, Roret, Paris 1836–46 p.m. *''Memoires sur le G. Gorytes Latr. Arpactus Jur''. Paris 1832. *''Monographia tenthredinetarum, synonimia extricata''. Levrault, Paris 1823–25. *''Mémoire sur quelques espéces nouvelles d'Insectes de la section des hyménoptères appelés les portetuyaux et sur les caractères de cette famille et des genres qui la composent''. Paris 1806. *''Défense de Félix Lepeletier''. Vatar, Paris 1796/97. *with Jean Guillaume Audinet-Serville a treatise on Hemiptera to Guillaume-Antoine Olivier's Histoire naturelle. ''Entomologie, ou ...
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Kleptoparasitic
Kleptoparasitism (originally spelt clepto-parasitism, meaning "parasitism by theft") is a form of feeding in which one animal deliberately takes food from another. The strategy is evolutionarily stable when stealing is less costly than direct feeding, such as when food is scarce or when victims are abundant. Many kleptoparasites are arthropods, especially bees and wasps, but including some true flies, dung beetles, bugs, and spiders. Cuckoo bees are specialized kleptoparasites which lay their eggs either on the pollen masses made by other bees, or on the insect hosts of parasitoid wasps. They are an instance of Emery's rule, which states that insect social parasites tend to be closely related to their hosts. The behavior occurs, too, in vertebrates including birds such as skuas, which persistently chase other seabirds until they disgorge their food, and carnivorous mammals such as spotted hyenas and lions. Other species opportunistically indulge in kleptoparasitism. Strategy ...
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Cuckoo Bee
The term cuckoo bee is used for a variety of different bee lineages which have evolved the kleptoparasitic behaviour of laying their eggs in the nests of other bees, reminiscent of the behavior of cuckoo birds. The name is perhaps best applied to the apid subfamily Nomadinae, but is sometimes used in Europe to mean bumblebees (''Bombus'') in the subgenus ''Psithyrus''. Females of cuckoo bees are easy to recognize in almost all cases, as they lack pollen-collecting structures (the scopa) and do not construct their own nests. They often have reduced body hair, abnormally thick and/or heavily sculptured exoskeleton, and saber-like mandibles, although this is not universally true; other less visible changes are also common. The number of times kleptoparasitic behavior has independently evolved within the bees is remarkable; Charles Duncan Michener (2000) lists 16 lineages in which parasitism of social species has evolved (mostly in the family Apidae), and 31 lineages that parasitiz ...
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Vespidae
The Vespidae are a large (nearly 5000 species), diverse, cosmopolitan family of wasps, including nearly all the known eusocial wasps (such as '' Polistes fuscatus'', '' Vespa orientalis'', and ''Vespula germanica'') and many solitary wasps. Each social wasp colony includes a queen and a number of female workers with varying degrees of sterility relative to the queen. In temperate social species, colonies usually last only one year, dying at the onset of winter. New queens and males (drones) are produced towards the end of the summer, and after mating, the queens hibernate over winter in cracks or other sheltered locations. The nests of most species are constructed out of mud, but polistines and vespines use plant fibers, chewed to form a sort of paper (also true of some stenogastrines). Many species are pollen vectors contributing to the pollination of several plants, being potential or even effective pollinators, while others are notable predators of pest insect species, and a f ...
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Polistes Carnifex
''Polistes carnifex'', commonly known as the executioner wasp or executioner paper wasp, is a neotropical vespid wasp in the cosmopolitan genus '' Polistes''. It is a very large yellow and brown paper wasp with a mandible that contains teeth. It establishes small colonies, founded by solitary queens, which build nests under the eaves of buildings or suspended from branches. Foraging adults bring nectar and macerated prey back to the nest to feed to the developing larvae which are individually housed in separate cells in the nest. Vernacular names As its range includes only small portions of the English-speaking Americas, ''P. carnifex'' has only recently taken on an English vernacular name, but in the mid-2010s the name executioner wasp was proposed, a calque upon the Latin specific name ''carnifex'' "executioner, hangman". In Paraguay, it is usually known in Guaraní as ''kava mainomby'' "hummingbird wasp", in reference to its great size; less commonly, it is called ''ka ...
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Nomada
With over 850 species, the genus ''Nomada'' is one of the largest genera in the family Apidae, and the largest genus of cuckoo bees. Cuckoo bees are so named because they enter the nests of a host and lay eggs there, stealing resources that the host has already collected. The name "''Nomada''" is derived from the Greek word ''nomas ( νομάς''), meaning "roaming" or "wandering." ''Nomada'' are kleptoparasites of many different types of bees as hosts, primarily the genus ''Andrena,'' but also '' Agapostemon, Melitta, Eucera'' and '' Exomalopsis''. As parasites, they lack a pollen-carrying scopa, and are mostly hairless, as they do not collect pollen to feed their offspring. Like non-parasitic bees, adults are known to visit flowers and feed on nectar. Given the lack of scopa and general behavior, they are considered poor pollinators. Appearance and identification They are often extraordinarily wasp-like in appearance, with red, black, and yellow colors prevailing, and with ...
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Kleptoparasitism
Kleptoparasitism (originally spelt clepto-parasitism, meaning "parasitism by theft") is a form of feeding in which one animal deliberately takes food from another. The strategy is evolutionarily stable when stealing is less costly than direct feeding, such as when food is scarce or when victims are abundant. Many kleptoparasites are arthropods, especially bees and wasps, but including some true flies, dung beetles, bugs, and spiders. Cuckoo bees are specialized kleptoparasites which lay their eggs either on the pollen masses made by other bees, or on the insect hosts of parasitoid wasps. They are an instance of Emery's rule, which states that insect social parasites tend to be closely related to their hosts. The behavior occurs, too, in vertebrates including birds such as skuas, which persistently chase other seabirds until they disgorge their food, and carnivorous mammals such as spotted hyenas and lions. Other species opportunistically indulge in kleptoparasitism. Strate ...
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Entomophily
Entomophily or insect pollination is a form of pollination whereby pollen of plants, especially but not only of flowering plants, is distributed by insects. Flowers pollinated by insects typically advertise themselves with bright colours, sometimes with conspicuous patterns (honey guides) leading to rewards of pollen and nectar; they may also have an attractive scent which in some cases mimics insect pheromones. Insect pollinators such as bees have adaptations for their role, such as lapping or sucking mouthparts to take in nectar, and in some species also pollen baskets on their hind legs. This required the coevolution of insects and flowering plants in the development of pollination behaviour by the insects and pollination mechanisms by the flowers, benefiting both groups. Both the size and the density of a population are known to affect pollination and subsequent reproductive performance. Coevolution History The early spermatophytes (seed plants) were largely dependent ...
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Rhathymus
''Rhathymus'' is a genus of cuckoo bees belonging to the family Apidae Apidae is the largest family within the superfamily Apoidea, containing at least 5700 species of bees. The family includes some of the most commonly seen bees, including bumblebees and honey bees, but also includes stingless bees (also used for .... Species of this genus are found in South America. Species *'' Rhathymus ater'' *'' Rhathymus atitlanicus'' *'' Rhathymus beebei'' *'' Rhathymus bicolor'' *'' Rhathymus concolor'' *'' Rhathymus cristatus'' *'' Rhathymus fulvus'' *'' Rhathymus insignis'' *'' Rhathymus michaelis'' *'' Rhathymus nigripes'' *'' Rhathymus paraguayensis'' *'' Rhathymus quadriplagiatus'' *'' Rhathymus rufescens'' *'' Rhathymus scoliaeformis'' *'' Rhathymus trinitatis'' *'' Rhathymus unicolor'' *'' Rhathymus vespiformis'' References {{Taxonbar, from=Q14480652 Apidae Bee genera Brood parasites ...
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