1: Bees encircling trash--back, over, and above (7)
2: Escorted place for investment? (2,7)
3: Technique for picking up new material? (5)
4: I sent out a little map (5)
5: Make an attempt at a basket weaving (4,1,4)
6: I turn, lost, in Italian city (5)
7: Speak about bad deal in time for bargains (4,3)
10: Fish or insect for captain (7)
13: Final recipient of product ensured indiscreetly. (3, 4)
14: Change in ultimate diet for the evening? (9)
16: Attacked with words to violate one's hearing (9)
17: Sound measure when Bec lied badly (7)
19: Side with university after regarding the 'left behind' matter (7)
20: One who leads many after something irrational. (5)
21: Gloomy semi-dull firmament (5)
22: Sluggish trainer takes part (5)