Mechadragon

Mechadragon, known as Mechayanma (メカヤンマ) in Japan, is a dragonfly Mechaniloid that tend to move in groups and act as sentries. They begin to dart around upon sensing an enemy and transmit the imagery to another location.

Trivia

 * Interestingly, its English name is similar to the Mecha Dragon from Mega Man 2.
 * Japanese latter name is derived from "yanma", Japanese for Aeshnidae.