![]() ![]() Tiger moths also emit clicks which may disturb bats' echolocation, and in other cases may advertise the fact that they are poisonous by emitting sound. Ultrasonic frequencies trigger a reflex action in the noctuid moth that causes it to drop slightly in its flight to evade attack. Upon hearing a bat, some insects will make evasive manoeuvres to escape being caught. These include many groups of moths, beetles, praying mantises and lacewings. ![]() Many insects have good ultrasonic hearing, and most of these are nocturnal insects listening for echolocating bats. ![]() They can detect frequencies beyond 100 kHz, possibly up to 200 kHz. A dog whistle, a whistle which emits sound in the ultrasonic range, used to train dogs and other animalsīats use a variety of ultrasonic ranging ( echolocation) techniques to detect their prey. ![]()
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