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Agapostemon Angelicus
''Agapostemon angelicus'', the Angeles striped sweat bee, is a species of sweat bee in the family Halictidae native to North America. Unlike apid bees, members of the Halictidae family are not honey-producers, although they still are pollinators. Subspecies These two subspecies belong to the species ''Agapostemon angelicus'': * ''Agapostemon angelicus angelicus'' * ''Agapostemon angelicus idahoensis'' Description and identification Angeles striped sweat bees are small, approximately 10 mm to 14 mm in length. The species exhibits distinct sexual dimorphism with the female being a metallic green bee across its entire body whereas males have a bright yellow and black banded metasoma. ''A. angelicus'' is easily confused with '' A. texanus''. Only the females have a small stinger. Distribution and habitat The distribution of the Angeles striped sweat bee is limited to North America, from Canada south to Mexico. They are most commonly found in the western and central US, in and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agapostemon
The genus ''Agapostemon'' (literally "stamen loving") is a common group of Western Hemisphere sweat bees, most of which are known as ''metallic green sweat bees'' for their color. They are members of the family of bees known as Halictidae. Like other sweat bees, they are attracted to human sweat, and they use the salt from the sweat for nutrition. They are generally green or blue, especially the head and thorax. Sometimes the abdomen in females is green or blue although it may be striped, and most males have the yellow-striped abdomen on a black or metallic background. They superficially resemble various members of another tribe, Augochlorini, which are also typically metallic green. Nesting All species of ''Agapostemon'' nest in the ground, sometimes in dense aggregations. Some species are communal such as ''A. virescens''. In this and other communal species, multiple females share the same nest entrance, but beneath the common entrance burrow, construct their own portion of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theodore Dru Alison Cockerell
Theodore Dru Alison Cockerell (1866–1948) was an American zoology, zoologist, born at Norwood, England, and brother of Sydney Cockerell. He was educated at the Middlesex Hospital Medical School, and then studied botany in the field in Colorado in 1887–90. Subsequently, he became a taxonomist and published numerous papers on the Hymenoptera, Hemiptera, Mollusca and plants, as well as publications on paleontology and evolution. Personal life Cockerell was born in Norwood, Greater London and died in San Diego, California. He married Annie Sarah Fenn in 1891 (she died in 1893) and Wilmatte Porter Cockerell, Wilmatte Porter in 1900. In 1901, he named the ultramarine blue chromodorid ''Mexichromis porterae'' (now ''Felimare porterae'') in her honor. After their marriage in 1900, they frequently went on collecting expeditions together and assembled a large private library of natural history films, which they showed to schoolchildren and public audiences to promote the cause of en ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halictidae
Halictidae is the second-largest family of bees (clade Anthophila) with nearly 4,500 species. Halictid species are an extremely diverse group that can vary greatly in appearance. These bees occur all over the world and are found on every continent except Antarctica. Usually dark-colored (frequently brown or black) and often metallic, halictids are found in various sizes, colors and patterns. Several species are all or partly green and a few are red, purple, or blue. A number of them have yellow markings, especially the males, which commonly have yellow faces, a pattern widespread among the various families of bees. The family is one of many with short tongues and is best distinguished by the arcuate (strongly curved) basal vein found on the wing. Females in this family tend to be larger than the males. They are commonly referred to as "sweat bees" (especially the smaller species), as they are often attracted to perspiration. Ecology Most halictids nest in the ground, often in ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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, orchid bees, cuckoo bees, and a number of other less widely known groups. Taxonomy In addition to its historical classification (honey bees, bumble bees, stingless bees and orchid bees), the family Apidae presently includes all the genera formerly placed in the families Anthophoridae and Ctenoplectridae. Although the most visible members of Apidae are social, the vast majority of apid bees are solitary, including a number of cleptoparasitic species. The old family Apidae contained four tribes (Apinae: Apini, Euglossini and Bombinae: Bombini, Meliponini) which have been reclassified as tribes of the subfamily Apinae, along with all of the former tribes and subfamilies of Anthophoridae and the former f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Dimorphism
Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most animals and some plants. Differences may include secondary sex characteristics, size, weight, colour, markings, or behavioural or cognitive traits. These differences may be subtle or exaggerated and may be subjected to sexual selection and natural selection. The opposite of dimorphism is ''monomorphism'', which is when both biological sexes are phenotypically indistinguishable from each other. Overview Ornamentation and coloration Common and easily identified types of dimorphism consist of ornamentation and coloration, though not always apparent. A difference in coloration of sexes within a given species is called sexual dichromatism, which is commonly seen in many species of birds and reptiles. Sexual selection leads to the exaggerated dim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agapostemon Texanus
''Agapostemon texanus'' is a species of bee found in North America. Commonly known as the metallic green sweat bee or the Texas striped sweat bee, it varies greatly in its appearance, with variations in color and in the amount of black markings on the legs. The flight season of ''A. texanus'' ranges from March to October with their peak activity happening in May to September. They transport pollen on their hind legs. Range ''A. texanus'' has the greatest range of any species in the genus ''Agapostemon''. It has been documented as far north as southern Canada and as far south as Costa Rica, but is most common to the west of the Mississippi River and on the west coast of the United States. Its range in the southwest United States is interrupted in arid areas. ''A. texanus'' can tolerate a wide range of elevation, documented from sea level all the way up to 8,000 feet in California’s Sierra Nevada mountain range. Description The head and thorax of both male and female ''Agapos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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