Barn Swallow Bug vs Elm Zigzag Sawfly
Side-by-side species comparison
| Attribute | Barn Swallow Bug | Elm Zigzag Sawfly |
|---|---|---|
| Scientific Name | Oeciacus vicarius | Aproceros leucopoda |
| Order | Hemiptera | Hymenoptera |
| Family | Cimicidae | Argidae |
| Size | 3-4 mm | 5-7 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Blood Feeders | Herbivores |
| Regions | North America | East Asia, invasive in Europe |
| Conservation | Least Concern | Least Concern |
Barn Swallow Bug
A cimicid ectoparasite of cliff swallows and barn swallows in North America. It can bite humans in buildings after swallow nests are abandoned.
Did You Know?
Swallow colonies may abandon heavily infested nesting sites and relocate to parasite-free locations.
Elm Zigzag Sawfly
A small, pale green sawfly of East Asian origin that has become invasive in Europe. Larvae create distinctive zigzag feeding patterns on elm leaves.
Did You Know?
This species reproduces entirely by parthenogenesis in its invasive range; males have never been found in Europe.