Chalk Hill Blue vs Chestnut Gall Wasp
Side-by-side species comparison
| Attribute | Chalk Hill Blue | Chestnut Gall Wasp |
|---|---|---|
| Scientific Name | Polyommatus coridon | Dryocosmus kuriphilus |
| Order | Lepidoptera | Hymenoptera |
| Family | Lycaenidae | Cynipidae |
| Size | Wingspan 33-40mm | 2.5–3 mm |
| Habitat | Grasslands | Orchards |
| Diet | Herbivores | Herbivores |
| Regions | Europe | East Asia, Europe, North America |
| Conservation | Least Concern | Not Evaluated |
Chalk Hill Blue
A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.
Did You Know?
Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.
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.