Saw-toothed Grain Beetle vs Bog Jet Beetle

Side-by-side species comparison

Attribute Saw-toothed Grain Beetle Bog Jet Beetle
Scientific Name Oryzaephilus surinamensis Stenus juno
Order Coleoptera Coleoptera
Family Silvanidae Staphylinidae
Size 2.5-3.5 mm 5-7 mm
Habitat Gardens Underground
Diet Seed Feeders Predators
Regions Worldwide Northern Europe, Scandinavia, Northern Asia
Conservation Not Evaluated Least Concern

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.

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Did You Know?

Its flat body allows it to squeeze through incredibly narrow gaps in food packaging.

Bog Jet Beetle

One of the largest Stenus species, with a shiny black body and the characteristic bulging eyes of its genus. It frequents boggy and waterlogged habitats where it hunts among Sphagnum moss.

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Did You Know?

This species can survive temporary submersion by trapping a plastron of air against its body using specialized hydrophobic hairs.