1a
Insect that's always flourished in marshy borders
(6)
5a
SE European fellow seen with another at bar
(8)
9a
Manly youth leader carrying chest? Nonsense
(8)
10a
Call into question work finally undertaken by dog
(6)
11a
Had visions of G-man arresting worker in present state
(10)
13a
Ancient city originally developing universal language
(4)
14a
Celebrity extremely short with retired painter
(4)
15a
Unruly adolescent initially involved with same group
(10)
18a
Unconnected Irish soldiers allowed to secure transport
(10)
20a
Ancient northerner chosen to be heard
(4)
21a
Vegetable patch sometimes lost by the inattentive?
(4)
23a
A loner's source of Dixieland jazz?
(3,7)
25a
British academic institution inspiring eastern sultanate
(6)
26a
Sneak attending class with hesitation
(8)
28a
Distribute headgear around Maine, to a certain extent
(8)
29a
It's accepted by two US cities as a form of prayer
(6)
Down
2d
Gypsum dog framed by a flowering plant
(9)
3d
Butter up female, second of two
(7)
4d
Long-haired bovine a woman raised
(3)
5d
Like soldiers initially welcoming times in Gulf
(5)
6d
Anchor possibly thrown in wide English river
(11)
7d
Writer turned up with simple air — Holst wrote it
(7)
8d
Chilly grandmother's first to wear a hat
(5)
12d
Swimmer displaying roughness if disturbed
(11)
16d
Extinct bird's endless complaint
(3)
17d
Apathy shown by a Continental business
(9)
19d
Friendly understanding hospital department twice exploited at first
(7)
20d
Panto character's mistake, briefly entering orchestra area
(7)
22d
Section of popular Gorecki composition
(5)
24d
Game fellow finally greeting saint
(5)
27d
Almost tumble in Cornish river
(3)