| Megarhyssa | |
|---|---|
| Megarhyssa macrurus female | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Hexapoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Suborder: | Apocrita |
| Superfamily: | Ichneumonoidea |
| Family: | Ichneumonidae |
| Subfamily: | Rhyssinae |
| Genus: | Megarhyssa Ashmead, 1858 |
| Species | |
|
number uncertain |
|
| Synonyms | |
|
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Megarhyssa 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.
Species within the genus include: