Glowing Bugs · released 10 February 2027
Glowing Bugs
N° 87 of 101 · The Spiny Sentinel

Thorny Devil Katydid

Panacanthus cuspidatus

Thorny Devil Katydid rendered in glowing light, second view

The "Kung Fu" Defense

When threatened, the Thorny Devil doesn't just sit there. it raises its front legs—which are also covered in spines—and snaps them shut like a trap on a predator’s beak or a human finger. Every inch of this insect, including its legs and head, is covered in needle-sharp spines.

Night-vision antennae

Its antennae can be three times longer than its entire body. These act as "night-vision" sensors, allowing the katydid to "feel" the "glow" of vibrations in the dark jungle.

The "Bark" Chirp

While many katydids have a musical song, the Thorny Devil produces a harsh, metallic "zip" or "click" sound by rubbing its wings together, designed to startle enemies.

Field notes

RangeSouth America
Lifespan6 to 12 months
SizeAbout 5.5 to 6 cm excluding the long antennae
WeightApproximately 1 g to 3 g
ColourElectric Lime Green
DietOmnivorous
FamilyA member of the Tettigoniidae family (Long-horned grasshoppers)

In the book

The Thorny Devil Katydid is number 87 of the 101 creatures in Glowing Bugs. Its two pages show it from three sides, at its true size, with a map of where it lives. The plate is an artistic interpretation and does not show the true colours of the living animal.

The two pages on the Thorny Devil Katydid in the book Glowing Bugs