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Enoicyla Pusilla
''Enoicyla pusilla'' also known as the land caddis and the terrestrial caddis is a species of caddisfly in the family Limnephilidae. The genus ''Enoicyla'' is unique among caddisflies because the larvae are terrestrial, living in leaf litter. Distribution ''Enoicyla pusilla'' has a widespread but discontinuous distribution in Europe. In Britain, it is found chiefly in and around Wyre Forest, Worcestershire and adjoining counties. Biology The females lay eggs shortly after emerging in the autumn and they hatch about two weeks later. There are five larval instars An instar (, from the Latin '' īnstar'', "form", "likeness") is a developmental stage of arthropods, such as insects, between each moult (''ecdysis''), until sexual maturity is reached. Arthropods must shed the exoskeleton in order to grow or ass ... between December and April and fully developed larval cases are about 8–9 mm long and 1.5–2 mm in diameter. References External links * Limnephilidae ...
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Hermann Burmeister
Karl Hermann Konrad Burmeister (also known as Carlos Germán Conrado Burmeister) (15 January 1807 – 2 May 1892) was a German Argentine zoologist, entomologist, herpetologist, botany, botanist, and coleopterologist. He served as a professor at the University of Halle, headed the museum there and published the ''Handbuch der Entomologie'' (1832–1855) before moving to Argentina where he worked until his death. Career Burmeister was born in Stralsund, where his father was a customs officer. He studied medicine at University of Greifswald, Greifswald (1825–1827) and Halle (Saale), Halle (1827–1829), and in 1830 went to Humboldt University of Berlin, Berlin to qualify himself to be a teacher of natural history. His dissertation was titled ''De insectorum systemate naturali'' and graduated as a doctor of medicine on November 4, 1829 and then received a doctor of philosophy on December 19 in the same year. He then joined for military service in Berlin and Grünberg (Silesia). He ...
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Caddisfly
The caddisflies, or order Trichoptera, are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the basis of the adult mouthparts. Integripalpian larvae construct a portable casing to protect themselves as they move around looking for food, while Annulipalpian larvae make themselves a fixed retreat in which they remain, waiting for food to come to them. The affinities of the small third suborder Spicipalpia are unclear, and molecular analysis suggests it may not be monophyletic. Also called sedge-flies or rail-flies, the adults are small moth-like insects with two pairs of hairy membranous wings. They are closely related to the Lepidoptera (moths and butterflies) which have scales on their wings; the two orders together form the superorder Amphiesmenoptera. The aquatic larvae are found in a wide variety of habitats such as streams, river ...
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Limnephilidae
__NOTOC__ Limnephilidae is a family of caddisflies with about 100 genera. They belong to the main lineage of case-constructing caddisflies, the Integripalpia or tube-case caddisflies. The Limnephilidae is one of the most species-rich Trichoptera families of northern temperate regions, but only a few are known from tropical areas and the Southern Hemisphere. For this reason they are often known as northern caddisflies. Description and ecology The adults are usually brown in colour, often with narrow mottled or patterned forewings and much broader, transparent hindwings. The aquatic larvae construct portable cases from a wide variety of plant and mineral materials, sometimes even snail shells. Cases of young larvae often looking completely different from those of larger instars. Larvae tend to be eruciform (with a thickset head and thorax), rather slow-moving, and usually feed by browsing algae or scavenging animal remains. They pupate within the larval case, the pupa swimming to ...
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Wyre Forest
__NOTOC__ Wyre Forest is a large, semi-natural (partially unmanaged) woodland and forest measuring which straddles the borders of Worcestershire and Shropshire, England. Knowles Mill, a former corn mill owned by the National Trust, lies within the forest. Natural history The forest covers an area in local terms of 2,634 hectares (6,509 acres), or on the larger scale and is noted for its variety of wildlife. Although now the Wyre Forest has been much deforested, it still extends from east of the A442 at Shatterford, north of Kidderminster in the east, almost to Cleobury Mortimer in the west and from Upper Arley in the north to Areley Kings, near Stourport in the south. It is one of the largest remaining ancient woodlands in Britain. Forestry England looks after around half of today's forest. Around two-thirds of the forest has been designated as an SSSI (1,753.7 Ha), while a further fifth (549 Ha) is listed as a national nature reserve. The Dowles Brook flows through the ...
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Worcestershire
Worcestershire ( , ; written abbreviation: Worcs) is a county in the West Midlands of England. The area that is now Worcestershire was absorbed into the unified Kingdom of England in 927, at which time it was constituted as a county (see History of Worcestershire). Over the centuries the county borders have been modified, but it was not until 1844 that substantial changes were made. Worcestershire was abolished as part of local government reforms in 1974, with its northern area becoming part of the West Midlands and the rest part of the county of Hereford and Worcester. In 1998 the county of Hereford and Worcester was abolished and Worcestershire was reconstituted, again without the West Midlands area. Location The county borders Herefordshire to the west, Shropshire to the north-west, Staffordshire only just to the north, West Midlands to the north and north-east, Warwickshire to the east and Gloucestershire to the south. The western border with Herefordshire includes a ...
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Instars
An instar (, from the Latin '' īnstar'', "form", "likeness") is a developmental stage of arthropods, such as insects, between each moult (''ecdysis''), until sexual maturity is reached. Arthropods must shed the exoskeleton in order to grow or assume a new form. Differences between instars can often be seen in altered body proportions, colors, patterns, changes in the number of body segments or head width. After shedding their exoskeleton (moulting), the juvenile arthropods continue in their life cycle until they either pupate or moult again. The instar period of growth is fixed; however, in some insects, like the salvinia stem-borer moth, the number of instars depends on early larval nutrition. Some arthropods can continue to moult after sexual maturity, but the stages between these subsequent moults are generally not called instars. For most insect species, an ''instar'' is the developmental stage of the larval forms of holometabolous (complete metamorphism) or nymphal forms o ...
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Insects Described In 1838
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at between six and ten million; In: potentially over 90% of the animal life forms on Earth are insects. Insects may be found in nearly all environments, although only a small number of species reside in the oceans, which are dominated by another arthropod group, crustaceans, which recent research has indicated insects are nested within. Nearly all insects hatch from eggs. ...
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Insects Of Europe
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at between six and ten million; In: potentially over 90% of the animal life forms on Earth are insects. Insects may be found in nearly all environments, although only a small number of species reside in the oceans, which are dominated by another arthropod group, crustaceans, which recent research has indicated insects are nested within. Nearly all insects hatch from eggs. ...
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