tiny milkweed tussock moth caterpillar on my finger -

tiny tussock moth caterpillar finger milkweed euchaetes egle tiger family erebidae tribe arctiini moths species dru drury 1773 common mid- late summer feeder milkweeds dogbane like chemical defenses acquires host plants case cardiac glycosides retained adults deter bats predators feeding high glycoside concentrations deterred predators indicate unpalatability ultrasonic clicks tymbal organs