Small Rivulet vs Malagasy Paper Wasp
Side-by-side species comparison
| Attribute | Small Rivulet | Malagasy Paper Wasp |
|---|---|---|
| Scientific Name | Perizoma alchemillata | Polistes olivaceus |
| Order | Lepidoptera | Hymenoptera |
| Family | Geometridae | Vespidae |
| Size | 18-22 mm wingspan | 15-20 mm |
| Habitat | Rivers & Streams | Underground |
| Diet | Herbivores | Herbivores |
| Regions | Europe | Madagascar |
| Conservation | Least Concern | Least Concern |
Small Rivulet
A delicate small moth found in damp habitats where hemp agrimony grows. The larvae feed inside the flowers. Has subtle grey and white wing markings.
Did You Know?
The larvae develop entirely within hemp agrimony flower heads, emerging only to pupate.
Malagasy Paper Wasp
A slender wasp with an olive-brown body, long dangling legs, and narrow waist. It builds small, exposed paper nests from chewed plant fibers on the underside of leaves and eaves.
Did You Know?
Females establish dominance hierarchies on the nest, with the queen maintaining her rank through aggressive posturing and antenna drumming.