Chestnut Gall Wasp vs Reunion Flightless Weevil
Side-by-side species comparison
| Attribute | Chestnut Gall Wasp | Reunion Flightless Weevil |
|---|---|---|
| Scientific Name | Dryocosmus kuriphilus | Cratopus ovalis |
| Order | Hymenoptera | Coleoptera |
| Family | Cynipidae | Curculionidae |
| Size | 2.5–3 mm | 8-12 mm |
| Habitat | Orchards | Forests |
| Diet | Herbivores | Herbivores |
| Regions | East Asia, Europe, North America | Reunion Island |
| Conservation | Not Evaluated | Vulnerable |
Chestnut Gall Wasp
An invasive gall wasp from China that is the most damaging pest of chestnut trees worldwide. It induces galls on buds and leaves, reducing nut yields.
Did You Know?
It reproduces entirely through parthenogenesis; no males have ever been found in any population.
Reunion Flightless Weevil
A flightless weevil with fused elytra endemic to the island of Reunion. Its inability to fly has made it vulnerable to habitat fragmentation.
Did You Know?
Flightlessness evolved independently in many island beetle lineages as an adaptation to windy conditions.