Dusky Birch Sawfly vs Fairyfly Wasp
Side-by-side species comparison
| Attribute | Dusky Birch Sawfly | Fairyfly Wasp |
|---|---|---|
| Scientific Name | Croesus latitarsus | Dicopomorpha echmepterygis |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Mymaridae |
| Size | 8-10 mm | 0.139-0.240 mm |
| Habitat | Woodlands | Underground |
| Diet | Herbivores | Parasitoids |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
Dusky Birch Sawfly
A medium-sized sawfly with an orange abdomen and black head and thorax. Larvae are yellowish-green with dark spots and feed in rows along the edges of birch leaves.
Did You Know?
The larvae feed in a distinctive edge-to-edge pattern, consuming the leaf blade while leaving the midrib intact like a fishbone.
Fairyfly Wasp
The smallest known insect in the world at just 0.139 mm in length. Males are blind, wingless, and smaller than some single-celled organisms.
Did You Know?
Males of this species are smaller than a paramecium — they are blind and wingless, existing solely to mate with sisters before they even leave the host egg.