Dracula Ant vs Yellow Sally Stonefly

Side-by-side species comparison

Attribute Dracula Ant Yellow Sally Stonefly
Scientific Name Mystrium camillae Isoperla grammatica
Order Hymenoptera Plecoptera
Family Formicidae Perlodidae
Size 4-6 mm 8-14 mm
Habitat Underground Rivers & Streams
Diet Omnivores Omnivores
Regions Asia, Oceania Europe
Conservation Least Concern Least Concern

Dracula Ant

Has the fastest known animal movement — mandibles snap shut at 90 m/s (320 km/h), 5,000 times faster than a blink. Also practices non-destructive cannibalism on its own larvae.

💡

Did You Know?

Dracula ants bite their own larvae and drink their blood (hemolymph) in a practice called non-destructive cannibalism — the larvae survive but sacrifice nutrition for the adults.

Yellow Sally Stonefly

A common European stonefly with a distinctive yellow body, emerging in late spring on clean rivers. It is a well-known species among European fly anglers.

💡

Did You Know?

Yellow sally stoneflies drum their abdomens on surfaces to produce vibrations that attract mates, a behavior unique to stoneflies.