About 300 results for ‘Insect’
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Insect
Insects (from Latin insectum, a calque of Greek ἔντομον, "cut into sections") are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes, and two antennae. They are among the most diverse groups of animals on the planet, including more than a million described species and representing more than half of all known living organisms. The number of extant species is estimated at between six and ten million, and potentially represent over 90% of the differing metazoan life forms on Earth. Insects may be found in nearly all environments, although only a small number of species occur in the oceans, a habitat dominated by another arthropod group, the crustaceans. The life cycles of insects vary but most hatch from eggs. Insect growth is constrained by the inelastic exoskeleton and development involves a series of molts. The immature stages can differ from the adults in structure, habit and habitat and can include a passive pupal stage in those groups that undergo complete metamorphosis. Insects that undergo incomplete metamorphosis lack a pupal stage and adults develop through a series of nymphal stages. The higher level relationship of the hexapoda is unclear. Fossilized insects of enormous size have been found from the Paleozoic Era, including giant dragonflies with wingspans of 55 to 70 cm (22–28 in). The most diverse insect groups appear to have coevolved with flowering plants. Insects typically move about by walking, flying or occasionally swimming. As it allows for rapid yet stable movement, many insects adopt a tripedal gait in which they walk with their legs touching the ground in alternating triangles. Insects are the only invertebrates to have evolved flight. Many insects spend at least part of their life underwater, with larval adaptations that include gills and some adult insects are aquatic and have adaptations for swimming. Some species, like water striders, are capable of walking on the surface of water. Insects are mostly solitary, but some insects, such as certain bees, ants, and termites are social and live in large, well-organized colonies. Some insects, like earwigs, show maternal care, guarding their eggs and young. Insects can communicate with each other in a variety of ways. Male moths can sense the pheromones of female moths over distances of many kilometers. Other species communicate with sounds: crickets stridulate, or rub their wings together, to attract a mate and repel other males. Lampyridae in the beetle order Coleoptera communicate with light. Humans regard certain insects as pests and attempt to control them using insecticides and a host of other techniques. Some insects damage crops by feeding on sap, leaves or fruits, a few bite humans and livestock, alive and dead, to feed on blood and some are capable of transmitting diseases to humans, pets and livestock. Nevertheless, without insects to pollinate flowering plants, a necessary process in their reproduction, the terrestrial portion of the biosphere (including humans) would be devastated as a great many organisms rely on flowering plants. Many other insects are considered ecologically beneficial as predators and a few provide direct economic benefit. Silkworms and bees have been used extensively by humans for the production of silk and honey, respectively.
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- Designation:
- brodequin
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- Portrayed subject:
- Insect
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- Date:
- 19th century
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- Designation:
- assiette
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- Date:
- 18th century
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- Designation:
- plat (ovale) | décor genre Rouen ; décor à la corne d'abondance
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- Portrayed subject:
- Bird
- Cornucopia
- Flower
- Insect
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- Date:
- 18th century
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- Designation:
- salière
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- Date:
- 19th century
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COUPE DE FLEURS ET DE FRUITS
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- Field(s):
- Painting
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- Portrayed subject:
- Apple
- Basket weaving
- Cherry
- Forest
- Frieze
- Garden strawberry
- …
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- Date:
- 19th century
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Bouquet de fleurs dans une arcature de pierre s'ouvrant s...
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- Field(s):
- Painting
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- Portrayed subject:
- Anemone
- Aquilegia
- Crocus
- Dew
- Digger wasp
- Flower bouquet
- …
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- Date:
- 17th century
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- Artist(s):
- Jacob Hoefnagel
Insectes, fruits et fleurs
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- Portrayed subject:
- Bird
- Bivalvia
- Caterpillar
- Flower
- Flower bouquet
- Insect
- …
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JEAN HENRI FABRE (1823-1915), ENTOMOLOGISTE
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- Field(s):
- Sculpture
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- Portrayed subject:
- Bench (furniture)
- Hat
- Insect
- Magnifying glass
- Portrait
- Sitting
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- Date:
- 20th century
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- Field(s):
- Ceramic
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- Designation:
- soucoupe
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- assiette (chantourné) | décor à la cornemuse et au panier
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- Portrayed subject:
- Bagpipes
- Crown (headgear)
- Flower
- Insect
- Swagger stick
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- assiette (chantourné) | décor au vagabond
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- Portrayed subject:
- Fence
- Hat
- Insect
- Man
- Swagger stick
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- assiette (chantourné) | décor au vagabond
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- Portrayed subject:
- Fence
- Hat
- Insect
- Man
- Swagger stick
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- assiette (ronde) | décor chinois
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- Portrayed subject:
- Flower
- Flower bouquet
- Insect
- Lepidoptera
- Passementerie
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- assiette (ronde) | décor chinois
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- Portrayed subject:
- Flower
- Flower bouquet
- Insect
- Lepidoptera
- Passementerie
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- encrier (trilobé)
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- compotier (octogonal)
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- Portrayed subject:
- Duck
- Flower
- Flower bouquet
- Insect
- Lepidoptera
- Reed (plant)
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- porte-huilier (ovale, élément) | décor à l'oeillet
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- Portrayed subject:
- Insect
- Leaf
- Passementerie
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- Date:
- 18th century
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- Field(s):
- Ceramic
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- Designation:
- assiette | décor à la corne d'abondance
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- Portrayed subject:
- Bird
- Cornucopia
- Flower
- Insect
- Lepidoptera
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- Date:
- 18th century
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