Two unclued lights describe the location of the others, individually or as a pair. One of these unclued lights does double duty. One square must contain a beetle showing possible alternatives to one of the unclued lights.
 

Across

11    Tipsy grannie raking it in (7)
12    Skilling worker put sign outside (6, hyphened)
16    Noble cut out mink (5)
19    In bed, off work (7)
21    First half of expedition to Spain is risk-free (4)
23    Continue to rush doctor (7)
24    Land mass is reflected volcanic rock (4)
30    Fan of absolute ruler placing garments in race (7)
32    Prisoner having to give up grant (7)
34    Fish in sloop. A herring (4)
35    Supporter has seen French artist’s display (7)
40    Incan mnemonic device is a fanciful joke, you heard (5)
42    Sham charges rejected in chamber (6)
43    Small spaces round lake in region at far end of gorge (7)
44    Those who never go up in the trees? (11)
 

Down

1    Account about Nordic piste (11)
2    Fresh and cloudy, having to go abroad 6)
3    Ford on cattle track (5)
5    Chinese gang’s timeless palace with interior garden (4)
6    Long ago in 32 (4)
7    Promo clip for US caravan (7)
8    Boom about inlet (7)
9    Unyielding lies I can’t unravel (9)
18    Principal drug user having the care reviewed (11, two words)
20    Soon, lieutenant leaves 37 and 38, oddly (7)
22    Offices for bishops having fireplaces rebuilt foot away (9)
26    Long note from short commission (5)
27    Embrace French art and sit around Uffizi to begin with (7)
28    Clue Doc revised gets bite (7)
29    Popular poet carrying love on a ship (7)
36    Almost trifling, yet profitable (5)
38    First bird in winter nest (4)
39    Sea fog causes worry (4)
 
A first prize of £30 for the first correct solution opened on 10 November. There are two runners-up prizes of £20. (UK solvers can choose to receive the latest edition of the Chambers Dictionary instead of cash— ring the word ‘Dictionary’.) Entries to: Crossword 2185, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.