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The ovipositor of ichneumonoids generally cannot deliver a sting as many wasps or bees do. It can be used to bore wood and lay eggs on hosts deep inside, or reach hosts hidden inside leaf shelters. Upon hatching, the larva feeds either externally or internally, killing the host when it is ready to pupate.
Amblyteles armatorius can reach a length of 12–16 mm, excluding antennae, which reach about 9 millimetres (0.35 in). The head and thorax of this large wasp are black, except the yellow scutellum. The abdomen is yellow and more oval in the females, with broad black bands. Legs are yellow, except the hind legs, that are black and yellow.
Insects in the family Ichneumonidae are commonly called ichneumon wasps, or ichneumonids. However, the term ichneumon wasps can refer specifically to the genus Ichneumon within the Ichneumonidae and thus can cause confusion. A group of ichneumonid specialists have proposed Darwin wasps as a better vernacular name for the family. [5]
Megarhyssa macrurus, also known as the long-tailed giant ichneumonid wasp [1] or long-tailed giant ichneumon wasp, [2] is a species of large ichneumon wasp. [3] It is a parasitoid, notable for its extremely long ovipositor which it uses to deposit an egg into a tunnel in dead wood bored by its host, the larva of a similarly large species of horntail.
Megarhyssa, also known as giant ichneumonid wasps, giant ichneumons, or stump stabbers, [1] is a genus of large ichneumon wasps, with some species known for having the longest ovipositors of any insects. They are idiobiont endoparasitoids of the larvae of wood-boring horntail wasps. The ovipositor can be mistaken for a large stinger. [2]
Echthromorpha intricatoria, also known as the cream-spotted ichneumon, is a common wasp found in Australia [1] and New Zealand. It cannot sting and does not build nests, and is harmless to humans. [2] The female injects eggs into pupae of moths and butterflies with the ovipositor, particularly favouring the Nymphalidae (admiral family).
The female giant ichneumon wasp Megarhyssa macrurus is 12.5 ... such as in roof spaces, can present a danger as the wasps may sting if people come close to them ...
Megarhyssa nortoni is a predatory insect. Its larvae are parasitoids of horntail wasp larvae in coniferous trees. The adult female hunts horntail larvae for egg placement. It smells wood-eating fungus, utilized by the horntail larvae to predigest wood pulp, and uses its antennae to detect vibrations made by the horntail larvae.