Thin-neck Cave Beetle vs European Glowworm
Side-by-side species comparison
| Attribute | Thin-neck Cave Beetle | European Glowworm |
|---|---|---|
| Scientific Name | Pseudanophthalmus parvicollis | Lampyris noctiluca |
| Order | Coleoptera | Coleoptera |
| Family | Carabidae | Lampyridae |
| Size | 4-5 mm | 15-25 mm (females); 10-12 mm (males) |
| Habitat | Caves | Hedgerows |
| Diet | Detritivores | Omnivores |
| Regions | United States | Europe, Western Asia |
| Conservation | Endangered | Vulnerable |
Thin-neck Cave Beetle
A narrowly endemic cave beetle with a distinctively slender pronotum. It inhabits caves in the Appalachian karst region.
Did You Know?
Its narrow neck (pronotum) helps it squeeze through tiny fissures in cave rock.
European Glowworm
A well-known European firefly where only the wingless female produces a steady green glow. Males are winged but produce no light.
Did You Know?
Females glow for up to two hours each night to attract flying males, then stop after mating.