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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] |
Aston Rowant National Nature Reserve
Aston Rowant National Nature Reserve is located on the north-west escarpment of the Chiltern Hills, in the Chilterns Area of Outstanding Natural Beauty. It has an area of , and most of it is a biological Site of Special Scientific Interest. It is listed as a Grade 1 site in ''A Nature Conservation Review''. The reserve is in several sections, mostly in the parish of Lewknor in Oxfordshire, with smaller sections in the parish of Stokenchurch in Buckinghamshire. The reserve is home to plants and butterflies of chalk grassland. The flowers include at least seven species of orchid and the Chiltern gentian; the butterflies include the silver-spotted skipper and the Adonis blue. As well as chalk grassland, the reserve contains woodland with beech, yew, and juniper. Overhead, reintroduced red kites are resident. Habitats The Aston Rowant reserve is managed by Natural England assisted by the Oxford Conservation Volunteers. It offers a nationally important habitat of cha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalk
Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Chalk is common throughout Western Europe, where deposits underlie parts of France, and steep cliffs are often seen where they meet the sea in places such as the Dover cliffs on the Kent coast of the English Channel. Chalk is mined for use in industry, such as for quicklime, bricks and builder's putty, and in agriculture, for raising pH in soils with high acidity. It is also used for " blackboard chalk" for writing and drawing on various types of surfaces, although these can also be manufactured from other carbonate-based minerals, or gypsum. Description Chalk is a fine-textured, earthy type of limestone distinguished by its light color, softness, and high porosity. It is composed mostly of tiny fragments of the calcite shells or skeletons ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Butterflies Of Europe
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprises the large superfamily Papilionoidea, which contains at least one former group, the skippers (formerly the superfamily "Hesperioidea"), and the most recent analyses suggest it also contains the moth-butterflies (formerly the superfamily "Hedyloidea"). Butterfly fossils date to the Paleocene, about 56 million years ago. Butterflies have a four-stage life cycle, as like most insects they undergo complete metamorphosis. Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed. The caterpillars grow, sometimes very rapidly, and when fully developed, pupate in a chrysalis. When metamorphosis is complete, the pupal skin splits, the adult insect climbs out, and after its wings have expanded and dried, it fli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Butterflies Of Asia
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprises the large superfamily Papilionoidea, which contains at least one former group, the skippers (formerly the superfamily "Hesperioidea"), and the most recent analyses suggest it also contains the moth-butterflies (formerly the superfamily "Hedyloidea"). Butterfly fossils date to the Paleocene, about 56 million years ago. Butterflies have a four-stage life cycle, as like most insects they undergo complete metamorphosis. Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed. The caterpillars grow, sometimes very rapidly, and when fully developed, pupate in a chrysalis. When metamorphosis is complete, the pupal skin splits, the adult insect climbs out, and after its wings have expanded and dried, it fli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Butterflies Of Africa
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprises the large superfamily Papilionoidea, which contains at least one former group, the skippers (formerly the superfamily "Hesperioidea"), and the most recent analyses suggest it also contains the moth-butterflies (formerly the superfamily "Hedyloidea"). Butterfly fossils date to the Paleocene, about 56 million years ago. Butterflies have a four-stage life cycle, as like most insects they undergo complete metamorphosis. Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed. The caterpillars grow, sometimes very rapidly, and when fully developed, pupate in a chrysalis. When metamorphosis is complete, the pupal skin splits, the adult insect climbs out, and after its wings have expanded and dried, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Butterflies Described In 1758
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprises the large superfamily Papilionoidea, which contains at least one former group, the skippers (formerly the superfamily "Hesperioidea"), and the most recent analyses suggest it also contains the moth-butterflies (formerly the superfamily "Hedyloidea"). Butterfly fossils date to the Paleocene, about 56 million years ago. Butterflies have a four-stage life cycle, as like most insects they undergo complete metamorphosis. Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed. The caterpillars grow, sometimes very rapidly, and when fully developed, pupate in a chrysalis. When metamorphosis is complete, the pupal skin splits, the adult insect climbs out, and after its wings have expanded and dried, it fli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hesperia (butterfly)
''Hesperia'', the branded skippers, is a Holarctic genus in the skippers (Hesperiidae) butterfly family. Most species are endemic to North America, ''Hesperia comma'' is widespread throughout the region. ''H. florinda'' is endemic to temperate eastern Asia. ''H. nabokovi'' is endemic to Hispaniola. Presumably, Johan Christian Fabricius named the genus for Hesperia, one of the Hesperides. Species The following species are recognised in the genus ''Hesperia'': * '' Hesperia assiniboia'' (Lyman, 1892) – Plains skipper * '' Hesperia attalus'' (W. H. Edwards, 1871) – dotted skipper – south United States * '' Hesperia caucasica'' Riabov, 1926 Caucasus * '' Hesperia colorado'' (Scudder, 1874) – western branded skipper * '' Hesperia columbia'' (Scudder, 1872) – Columbian skipper – California to Southwest Oregon * ''Hesperia comma'' (Linnaeus, 1758) – silver-spotted skipper or common branded skipper * ''Hesperia dacotae'' (Skinner, 1911) – Dakota skipper * '' Hesperia f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Butterflies Of Canada
This is a list of butterflies of Canada. Family Hesperiidae – skippers Subfamily Pyrginae – pyrgine skippers *''Epargyreus clarus'' – silver-spotted skipper *''Urbanus proteus'' – long-tailed skipper *'' Achalarus lyciades'' – hoary edge *'' Thorybes bathyllus'' – southern cloudywing *'' Thorybes pylades'' – northern cloudywing *'' Staphylus hayhurstii'' – Hayhurst's scallopwing *'' Erynnis icelus'' – dreamy duskywing *'' Erynnis brizo'' – sleepy duskywing *'' Erynnis juvenalis'' – Juvenal's duskywing *'' Erynnis propertius'' – propertius duskywing *'' Erynnis horatius'' – Horace's duskywing *''Erynnis martialis'' – mottled duskywing *'' Erynnis pacuvius'' – Pacuvius duskywing *'' Erynnis zarucco'' – Zarucco duskywing *''Erynnis funeralis'' – funereal duskywing *''Erynnis lucilius'' – columbine duskywing *''Erynnis baptisiae'' – wild indigo duskywing *''Erynnis afranius'' – Afranius duskywing *''Erynnis persius'' – Persius duskywing *'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Butterflies Of Great Britain
This is a list of butterflies of Great Britain, including extinct, naturalised species and those of dubious origin. The list comprises butterfly species listed in ''The Moths and Butterflies of Great Britain and Ireland'' by Emmet ''et al.'' and ''Britain's Butterflies'' by Tomlinson and Still. A study by NERC in 2004 found there has been a species decline of 71% of butterfly species between 1983 and 2003. The 2007 UK Biodiversity Action Plan (BAP) listed 22 butterfly species. The 2011 Red List of British butterflies lists 4 species as "regionally extinct" (RE), 2 as "critically endangered", 8 as "endangered (E), 9 as "vulnerable" (V), 11 as "near threatened" (NT) and 28 as "least concern" (LC) in a UK context. In the list below, the categories are as taken from the 2022 Red List (RE 4, E 8, V 16, NT 5, LC 29). Range expansions according to the ''2010 Atlas of Butterflies in Britain and Ireland''. Butterfly Conservation lists 29 of Great Britain's 58 breeding butterfly species as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pupa
A pupa ( la, pupa, "doll"; plural: ''pupae'') is the life stage of some insects undergoing transformation between immature and mature stages. Insects that go through a pupal stage are holometabolous: they go through four distinct stages in their life cycle, the stages thereof being egg, larva, pupa, and imago. The processes of entering and completing the pupal stage are controlled by the insect's hormones, especially juvenile hormone, prothoracicotropic hormone, and ecdysone. The act of becoming a pupa is called pupation, and the act of emerging from the pupal case is called eclosion or emergence. The pupae of different groups of insects have different names such as ''chrysalis'' for the pupae of butterflies and ''tumbler'' for those of the mosquito family. Pupae may further be enclosed in other structures such as cocoons, nests, or shells. Position in life cycle The pupal stage follows the larval stage and precedes adulthood (''imago'') in insects with complete metamorphosi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Larva
A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The larva's appearance is generally very different from the adult form (''e.g.'' caterpillars and butterflies) including different unique structures and organs that do not occur in the adult form. Their diet may also be considerably different. Larvae are frequently adapted to different environments than adults. For example, some larvae such as tadpoles live almost exclusively in aquatic environments, but can live outside water as adult frogs. By living in a distinct environment, larvae may be given shelter from predators and reduce competition for resources with the adult population. Animals in the larval stage will consume food to fuel their transition into the adult form. In some organisms like polychaetes and barnacles, adults are immobil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sheep's Fescue
''Festuca ovina'', sheep's fescue or sheep fescue, is a species of grass. It is sometimes confused with hard fescue (''Festuca trachyphylla''). General description It is a perennial plant sometimes found in acidic ground, and in mountain pasture, throughout Europe (with the exception of some Mediterranean areas) and eastwards across much of Asia; it has also been introduced to North America. It is one of the defining species of the British NVC community CG2, i.e. ''Festuca ovina'' – ''Avenula pratensis'' grassland, one of the calcicolous grassland communities. However, the species has a wide ecological tolerance in the UK, occurring on both basic and acid soils, as well as old mining sites and spoil heaps that are contaminated with heavy metals. Sheep's fescue is a densely tufted perennial grass. Its greyish-green leaves are short and bristle-like. The panicles are both slightly feathery and a bit one-sided. It flowers from May until June, and is wind-pollinated. It has no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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