Gashyrr wasp

From StarCraft Wiki

The gashyrr wasp was a savage creature native to Eldersthine. They were inducted into the Zerg Swarm to serve as a resource gatherer, becoming drones.

[edit] References

Underwood, Peter, Bill Roper, Chris Metzen and Jeffrey Vaughn. StarCraft (Manual). Irvine, Calif.: Blizzard Entertainment, 1998