Telegraph crossword

Across

7 Insect antenna (6) 8 Tattered (6)

9World travellers (13) 10 Blooming (2,6) 12 Large jug (4) 13 Notion (4) 15 17 Message (13) 19 Sent in (anag.) (6) 20 Football team (6)

Down

1 Arthurian wizard (6) 2 Climate change (6,7) 3 Badly-behaved child (4) 4 Naturally (2,6) 5 Scarlet turtle (anag.) (6,7)

6 11 Achilles heel (8) 14 Bound to fail (6) 16 Mortar spreader (6) 18 Masticate (4)