Cactoblastis Moth vs Spotted Sedge
Side-by-side species comparison
| Attribute | Cactoblastis Moth | Spotted Sedge |
|---|---|---|
| Scientific Name | Cactoblastis cactorum | Hydropsyche siltalai |
| Order | Lepidoptera | Trichoptera |
| Family | Pyralidae | Hydropsychidae |
| Size | 27-35 mm wingspan | 10-14 mm |
| Habitat | Deserts & Drylands | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Australia, Oceania | Europe |
| Conservation | Least Concern | Least Concern |
Cactoblastis Moth
Originally from South America, this moth was introduced to Australia in 1926 as a biological control agent against invasive prickly pear cactus. It is celebrated as one of the most successful biocontrol programmes in history.
Did You Know?
A memorial hall was built in Boonarga, Queensland, in honour of this moth for saving millions of hectares of farmland.
Spotted Sedge
A net-spinning caddisfly that constructs silken capture nets in fast-flowing water to filter food from the current. Adults have spotted brown wings.
Did You Know?
Net-spinning caddisfly larvae are such effective filter feeders that they can remove significant amounts of fine particles from stream water.