Wasp with huge stinger!
Footage captured with a Sony Xperia 1ii using the Cinema Pro App.
Model: XQ-AT51
Megarhyssa macrurus is a species of large ichneumon wasp.
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. Another of its common names is stump stabber referring to this behavior.
Etymology
Macrurus is from the Greek words makrós (μακρός) meaning "long", and oùrá (οὐρά) meaning tail.
Description
Megarhyssa macrurus has a reddish-brown body approximately 2 inches (51 mm) long.[citation needed] It has black and yellow-orange stripes. Its wings are transparent and the body elongated. The body and ovipositor together can be more than 5 inches (130 mm) long. Males are smaller, and have no ovipositor.
The ovipositor
The ovipositor looks like a single filament, but it comprises three filaments, the middle one of which is the actual ovipositor, which is capable of drilling into wood. This central filament also appears to be a single filament, but is made of two parts, with a cutting edge at the tip. The two parts interlock and slide against each other.
Although very thin, the ovipositor is a tube and the egg being laid moves down a minute channel in its center. The outer two filaments are sheaths which protect the ovipositor; they arc out to the sides during egg-laying.
Distribution
M. macrurus is found across the eastern half of the United States, reaching into the extreme south of Canada near the Great Lakes.
Behavior
M. macrurus is harmless to humans; they are parasitoids on the larvae of the pigeon horntail (Tremex columba, Symphyta), which bore tunnels in decaying wood. Female Megarhyssa macrurus are able to detect these larvae through the bark; they paralyse them and lay their eggs on the living but paralysed larva; within a couple of weeks the Megarhyssa larvae will have consumed their host and pupate, emerging as an adult the following summer.
Filmed with Sony Xperia 1 II
source; https://en.wikipedia.org/wiki/Megarhyssa_macrurus
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