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Amblyteles armatorius - Ichneumon wasp
Amblyteles armatorius - Ichneumon wasp

Amblyteles armatorius
Amblyteles armatorius (synonym Ichneumon luteus) is a species in the order hymenopterans (Hymenoptera), the suborder Apocrita, the superfamily Ichneumonoidea, the family ichneumon wasps (Ichneumonidae), the subfamily Ichneumoninae and the tribe Ichneumonini. It is the only representative of the genus Amblyteles. Amblyteles armatorius are widespread throughout a large part of the Palaearctic ecozone and are common in Central Europe.
Adult Amblyteles armatorius reach body lengths of 12 - 16 mm. Their bodies are strongly built, slender, and predominantly black and yellow in colour. Their antennae are about 9 mm in length. Their compound eyes have a grey grey-brown to dark grey sheen. There are three red-brown simple eyes (ocelli) near the top of the forehead. The upper surface of the chest section is black and appears to be lightly dusted because of the fine light hair there.
The abdomen is connected to the chest (thorax) by a narrow joint only, and it clearly stands out from the front of the body, and is black with diagonal stripes of a whitish-yellow or yellow colour. The abdomen of the males is long and slender and has a yellow stripe. The abdomen appears slightly shorter in the females and is round to oval in shape with a white or yellowish-white stripe. The wings bases and the legs of the males are yellow. Dark bands and spots are clearly visible on the legs above the red feet (tarsi). The tibia of the females are reddish.
Amblyteles armatorius prefer habitats such as forest edges, natural gardens, parks, green field boundaries and bush-rich meadows. They are active during the day and visit flowering plants (mostly Apiaceae) from June to September, where they feed on nectar, pollen and honeydew.
After mating, which takes place from early June on, the fertilized females lay single eggs into young caterpillars from the family owlet moths (Noctuidae), the species Euxoa tritici and turnip moths (Agrotis segetum) are the preferred hosts. After the larvae of Amblyteles armatorius have hatched, they eat the host caterpillar from the inside, until it dies. When the larvae are fully developed, they pupate inside the hollowed out hosts, finally emerging as adult ichneumon wasps. Female Amblyteles armatorius overwinter.

Amblyteles armatorius
German namesGelbe Schlupfwespe
AuthorForster, 1771

North Europe (British Isles (United Kingdom (Great Britain (England (English Midlands (East Midlands (Leicestershire)))))), Germany, Scandinavia (Sweden)), West Europe (Austria, France, Switzerland, Benelux (Belgium, Netherlands, Luxembourg)), South Europe (Italy (Italy Islands (Sicily, Sardinia), North Italy, South Italy), Iberian Peninsula (Spain, Portugal)), Southeast Europe (Yugoslavia (Slovenia, Croatia)), Central Europe (Czech Republic (Moravia, Bohemia))

CountriesAustria, Belgium, Croatia, Czech Republic, France, Germany, Italy, Luxembourg, Netherlands, Portugal, Slovenia, Spain, Sweden, Switzerland, United Kingdom
Links and ReferencesAmblyteles armatorius in
Amblyteles armatorius in
Amblyteles armatorius in Wikipedia (English)

Description of images / photos
Photography with Cameras
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1. Amblyteles armatorius - Ichneumon wasp
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Amblyteles armatorius in
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Amblyteles armatorius
AuthorForster, 1771
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