Pecan Weevil vs Granulate Ambrosia Beetle
Side-by-side species comparison
| Attribute | Pecan Weevil | Granulate Ambrosia Beetle |
|---|---|---|
| Scientific Name | Curculio caryae | Xylosandrus crassiusculus |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae | Curculionidae |
| Size | 8-12 mm | 2-3 mm |
| Habitat | Orchards | Orchards |
| Diet | Parasitoids | Fungus Feeders |
| Regions | Eastern and Southern United States | Southeastern United States, spreading northward |
| Conservation | Least Concern | Least Concern (invasive) |
Pecan Weevil
A brown weevil with a long snout that is a significant pest of pecan and hickory trees. Larvae develop inside the nuts over several weeks.
Did You Know?
Its larvae remain underground in a resting state for up to three years before finally pupating.
Granulate Ambrosia Beetle
A tiny reddish-brown ambrosia beetle that bores into a wide range of hardwood trees. It cultivates a symbiotic fungus inside its galleries as food for its larvae.
Did You Know?
It is one of the few beetles that practices true agriculture by farming fungus gardens inside tree trunks.