Oak Slug Sawfly vs North American Horntail
Side-by-side species comparison
| Attribute | Oak Slug Sawfly | North American Horntail |
|---|---|---|
| Scientific Name | Caliroa quercuscoccineae | Tremex columba |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Siricidae |
| Size | 4-5 mm (adult) | 25–50 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Herbivores | Wood Feeders |
| Regions | North America | Eastern North America |
| Conservation | Not Evaluated | Not Evaluated |
Oak Slug Sawfly
A slug-like sawfly larva that skeletonizes oak leaves in North America. Severe infestations cause browning of the canopy by midsummer.
Did You Know?
The slimy larval coating deters most predators except for a few specialized parasitoid wasps.
North American Horntail
A large horntail wasp found across eastern North America. It attacks dead and dying hardwood trees such as beech, maple, and elm.
Did You Know?
The parasitoid wasp Megarhyssa macrurus uses its extremely long ovipositor to reach horntail larvae deep inside wood.