Yellow-tail Moth

yellow-tail moth, Euproctis similis
Featherlike antennae help the male track down the larger female.

When disturbed the Yellow-tail Moth, Euproctis similis sticks the end of its abdomen up between its wings. Both male and female have the yellow tip although it is larger in the female.

yellow-tail sketches

Some female moths spread pheromones by raising their tails and the males use their feathery antennae to home in on them.

So why does this male raise his ‘tail’ when disturbed? Is it a way to surprise a predator?

Male yellow-tail moth, Euproctis similis
The male has dark spots on his wings.

It’s the first time that this species has turned up in the moth trap.

The male seen from below.
The male seen from below.

Yellow-tail moth caterpillars have been found on Japanese Knotweed, an invasive garden escape which very few native insects feed on, but they’re more likely to feed on sallow, blackthorn and hawthorn.

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