Old Termites Blow Themselves Up to Save Colony


Image: R. Hanus

Beware the exploding termite. Scientists studying the Neocapritermes taracua discovered that some actually carry explosives and will blow themselves up to help save their colony:

When trekking through a forest in French Guiana to study termites, a group of biologists noticed unique spots of blue on the backs of the insects in one nest. Curious, one scientist reached down to pick up one of these termites with a pair of forceps. It exploded. The blue spots, the team discovered, contain explosive crystals, and they're found only on the backs of the oldest termites in the colony. The aged termites carry out suicide missions on behalf of their nest mates. [...]

Back in their labs, scientists led by biochemist Robert Hanus of the Academy of Sciences of the Czech Republic in Prague went on to show that the blue termites always had shorter, worn-down mandibles than others from the same species, indicating that they were older.

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