Glacier Springtail vs Japanese Hotaruko Firefly

Side-by-side species comparison

Attribute Glacier Springtail Japanese Hotaruko Firefly
Scientific Name Isotoma saltans Pyrocoelia fumosa
Order Collembola Coleoptera
Family Isotomidae Lampyridae
Size 1-3 mm 12-20 mm
Habitat Mountains Mountains
Diet Seed Feeders Omnivores
Regions Scandinavia, Alps, Arctic Russia, Greenland, Svalbard East Asia, Japan
Conservation Least Concern Least Concern

Glacier Springtail

A tiny, elongate springtail adapted to life on glaciers and permanent snowfields. It is dark-pigmented to absorb solar radiation. Populations can be found actively hopping on glacier surfaces in summer.

💡

Did You Know?

This springtail can survive being encased in ice and resume activity once temperatures rise above freezing.

Japanese Hotaruko Firefly

A large terrestrial firefly with a dark brown body and bright reddish pronotum. The wingless, larviform females produce a bright sustained glow from the ground to attract flying males.

💡

Did You Know?

The Japanese name 'hotaruko' distinguishes these terrestrial glowworm-type fireflies from the aquatic 'hotaru' species.