orange-tip

US /ˈɔːrɪndʒ tɪp/
UK /ˈɔːrɪndʒ tɪp/
"orange-tip" picture
1.

a white butterfly, the male of which has orange tips to the forewings.

:
The children were delighted to spot an orange-tip butterfly fluttering in the garden.
The male orange-tip is easily identified by the bright orange patches on its forewings.