4  Jo rants mistakenly at these famously hard workers (7)

 8  Dog - one who is prone to be frizzier (7)

 9  Allowed first lady to knock back endless lager (5)

10 Fancy a beer getting round in - then trouble starts (10)

14 Black and white bird collector (6)

15 Pair admit affection for little wading bird (6)

17 Added wrong correction and marked lower (10)

20 Return to identify one bonehead (5)

22 Poorer but solvent (7)

23 Sugar sent ewe berserk (7)

24 Have dinner at home partly to beat infection (3,2)

 1  Mind your head, darling (4)

 2  High flier left flood refuge below (4)

 3  Protecting hind leg is abnormal (9)

 4  Songbird starts to twitter hovering over marsh grass (6)

 5  Brown, for one, is in parliament (3)

 6  Distress caused by a veggie perversely devouring head of rat (8)

 7  Lonely person accordingly set fire to a railway (8)

11 Destroy repulsive construction (9)

12 Tiny parts of tailless Highland pest eaten in error by son (8)

13 Encourage pure albumen (3,5)

16 Swallow most of 007's cocktail (6)

18 Perhaps granny is not told (4)

19 Sailor Jenny was reluctant entering navy at first (4)

21 Little bird flying up and down (3)