Elm Bark Beetle vs Lesser Grain Borer
Side-by-side species comparison
| Attribute | Elm Bark Beetle | Lesser Grain Borer |
|---|---|---|
| Scientific Name | Scolytus multistriatus | Rhyzopertha dominica |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae (Scolytinae) | Bostrichidae |
| Size | 2–3.5 mm | 2-3 mm |
| Habitat | Woodlands | Gardens |
| Diet | Wood Feeders | Seed Feeders |
| Regions | Europe, North America | Worldwide tropical and subtropical regions |
| Conservation | Not Evaluated | Not Evaluated |
Elm Bark Beetle
A small bark beetle that is the primary vector of Dutch elm disease in North America. It creates distinctive brood galleries under elm bark.
Did You Know?
It spreads the fungus Ophiostoma novo-ulmi, which has wiped out millions of elm trees worldwide.
Lesser Grain Borer
A cylindrical dark brown beetle that bores into whole grain kernels, reducing them to powder. It is especially destructive in warm tropical grain stores.
Did You Know?
It produces a distinctive sweet, musty odor that can taint infested grain.