 The caterpillar looks rather furry, a feature common in Arctiinae caterpillars, which are known as "woolly bears".The caterpillar feeds on borage ("Borago officinalis") (known as "fidloqqom" in Maltese), and on bugloss (plants from the genus "Echium" e.g.pale bugloss ("Echium italicum") which is known as "lsien il-fart abjad" in Maltese).