Saw-toothed Grain Beetle vs Grain Pteromalid
Side-by-side species comparison
| Attribute | Saw-toothed Grain Beetle | Grain Pteromalid |
|---|---|---|
| Scientific Name | Oryzaephilus surinamensis | Anisopteromalus calandrae |
| Order | Coleoptera | Hymenoptera |
| Family | Silvanidae | Pteromalidae |
| Size | 2.5-3.5 mm | 1.5-2.5 mm |
| Habitat | Gardens | Gardens |
| Diet | Seed Feeders | Parasitoids |
| Regions | Worldwide | Worldwide |
| Conservation | Not Evaluated | Not Evaluated |
Saw-toothed Grain Beetle
A slender brown beetle with six tooth-like projections on each side of the thorax. It is a cosmopolitan pest of processed grain products and dried foods.
Did You Know?
Its flat body allows it to squeeze through incredibly narrow gaps in food packaging.
Grain Pteromalid
A tiny parasitoid of grain weevil and bruchid beetle larvae concealed inside stored cereal grains. It is widely used in biological control of stored-product pests.
Did You Know?
Females can detect beetle larvae hidden inside wheat kernels by drumming on the grain surface with their antennae.