Learn what an American dagger moth and caterpillar looks like. Also find out which host plants these moths need.

The forewings are brown with one large dark spot and two smaller dark spots, although these often rub off on older specimens. This moth has a wingspan of 9-16mm. The head is coated with grey hairs.

And the caterpillars of the species reach up to 12 centimetres long, spending every spare second eating. Luke Brown, manager of the Museum's butterfly house, says, 'It is impossible not to be ...

Helsinki Zoo launches its first insect conservation project to protect the critically endangered Depressaria chaerophylli ...