Canada Darner vs Black Sedge
Side-by-side species comparison
| Attribute | Canada Darner | Black Sedge |
|---|---|---|
| Scientific Name | Aeshna canadensis | Silo nigricornis |
| Order | Odonata | Trichoptera |
| Family | Aeshnidae | Goeridae |
| Size | 62-72 mm | 7-9 mm body |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Canada Darner
A common large darner of northeastern North America with blue and green markings. Its notched thoracic stripes help distinguish it from similar species.
Did You Know?
Its thoracic side stripes have a distinctive notch that separates it from the very similar Lake Darner.
Black Sedge
A caddisfly whose larvae build heavy cases from sand grains cemented with silk. Found in clean, stony streams. Cases have lateral flanges of larger stones for ballast.
Did You Know?
Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.