Neotropical Pergid Sawfly vs Marsh Treader
Side-by-side species comparison
| Attribute | Neotropical Pergid Sawfly | Marsh Treader |
|---|---|---|
| Scientific Name | Acordulecera dorsalis | Hydrometra stagnorum |
| Order | Hymenoptera | Hemiptera |
| Family | Pergidae | Hydrometridae |
| Size | 5-8 mm | 9-12 mm |
| Habitat | Forests | Ponds & Lakes |
| Diet | Herbivores | Herbivores |
| Regions | Central and South America | Europe, Western Asia |
| Conservation | Least Concern | Least Concern |
Neotropical Pergid Sawfly
A small, dark pergid sawfly found across Central and South America. Adults have compact bodies with relatively short antennae.
Did You Know?
The Neotropical Pergidae have undergone a remarkable radiation in South America, filling ecological niches occupied by tenthredinids in the Northern Hemisphere.
Marsh Treader
An extremely slender, stick-like bug with a greatly elongated head. It walks slowly across floating vegetation and water surfaces at pond margins, probing for tiny prey.
Did You Know?
Its elongated head and rostrum give it a bizarre twig-like appearance, providing excellent camouflage among vegetation.