Queen of Spain Fritillary vs Northern Black Fly
Side-by-side species comparison
| Attribute | Queen of Spain Fritillary | Northern Black Fly |
|---|---|---|
| Scientific Name | Issoria lathonia | Simulium venustum |
| Order | Lepidoptera | Diptera |
| Family | Nymphalidae | Simuliidae |
| Size | 38-50 mm wingspan | 2-4 mm |
| Habitat | Farmland | Forests |
| Diet | Omnivores | Omnivores |
| Regions | Europe, Africa, temperate Asia | North America |
| Conservation | Least Concern | Least Concern |
Queen of Spain Fritillary
A powerful-flying fritillary with large, brilliant silver spots covering the underside of its hindwings. It is a restless migrant that can appear far outside its usual range.
Did You Know?
Its massive silver underwing spots are thought to startle predators by flashing in flight like mirrors.
Northern Black Fly
A common biting black fly of northern forests and boreal streams. Larvae form dense colonies on submerged rocks in cold flowing water.
Did You Know?
Females can detect carbon dioxide exhaled by hosts from over 20 meters away.