Brown House Moth vs Hazel Sawfly
Side-by-side species comparison
| Attribute | Brown House Moth | Hazel Sawfly |
|---|---|---|
| Scientific Name | Hofmannophila pseudospretella | Croesus septentrionalis |
| Order | Lepidoptera | Hymenoptera |
| Family | Oecophoridae | Tenthredinidae |
| Size | 15-25 mm wingspan | 8-10 mm |
| Habitat | Indoors | Heathland |
| Diet | Herbivores | Herbivores |
| Regions | Cosmopolitan; believed native to Asia | Europe, Western Asia |
| Conservation | Least Concern | Least Concern |
Brown House Moth
A dull bronze-brown moth with darker flecks that is a widespread household pest. Unlike clothes moths, it feeds on a vast range of organic materials.
Did You Know?
It can complete its life cycle on a diet of owl pellets alone, making old bird nests ideal nurseries.
Hazel Sawfly
A medium-sized sawfly with an orange abdomen and dark thorax. The bluish-green larvae with black heads feed gregariously on hazel, birch, and alder.
Did You Know?
When disturbed, the gregarious larvae raise their tails simultaneously in an S-shape, creating an intimidating group display to deter predators.