1 Have up for reprimand (6)
5 Brightly spotted beetle of the family Coccinellidae (8)
9 First Beatle's single (4,2,2)
10 Members of the German tribe from Schleswig who settled in England in the 5th century (6)
11 Japanese city which received the second atomic bomb on August the 9th 1945 (8)
12 Pietro ---, winner of the 200 metres gold medal in the 1980 Olympic Games (6)
13 Short descriptive poems of rural life (8)
15 --- scale, a scale used to describe the hardness of minerals (4)
17 --- of Smyrna, founder of the Sabbataeans who proclaimed himself the Messiah in 1648 (alt. spelling) (4)
19 An epoxy resin used as a strong glue (trademark) (8)
20 Bad liquor (6)
21 US actor nominated for an Oscar for his role in Dead Man Walking, and married to Madonna at one time (4,4)
22 Trouble and ---, Cockney rhyming slang for spouse (6)
23 Isopod crustaceans of the family Oniscidae plural (8)
24 Manchester pop group formed by the remaining members of Joy Division on the death of Ian Curtis (3,5)
25 Sacred river of Hindu India (6)

2 Italian physicist, 1776-1856 (8)
3 In Greek mythology, 7 daughters of Atlas; star cluster in Taurus (8)
4 British magazine first published in 1901 containing articles about upper-class events, etc. (3,6)
5 The ---, 1969 film based on a John Le Carre novel and starring Christopher Jones (7,5,3)
6 In America, inhabitants of New England or of the northern states (7)
7 Or The Peer and the Peri, operetta by Gilbert and Suillivan (8)
8 Benjamin ---, Victorian prime minister (8)
14 US novelist and poet renowned for her novel Fear of Flying (5,4)
15 Van ---, Irish singer who was with the group Them (8)
16 West London airport (8)
17 Count von ---, inventor of an airship (8)
18 A cirripede crustacean that adheres to rocks and the bottoms of boats (8)
19 Rock formation containing water (7)