1: Field worker finding insect on vegetables (7)
4: Yielded gutlessly, taking in hopeless cheat as he sailed by. (7)
8: Stan's partner is central to Follies (5)
9: Greenest state with the least elevation (9)
10: Bird accompanying gangster or outlaw (5,4)
11: Road without a pole (4)
12: Doctrine for some Kiwis makes sense (3)
13: Blonde's blemishes reflected (5)
14: Dizzy Ben is a playwright (5)
16: Starts to name Olivia Newton-John 'Country Entertainer' for the time being (5)
17: Latin lives of Evita explained within (5)
18: Clothilda is carrying a parcel (3)
19: One final, huge Greek goddess (3)
20: Damn turncoat left country (9)
22: Ban professional writer (9)
24: Pay for mashed tater (5)
25: Certainly, Mr. Gore welcoming Republican is bizarre (7)
26: Break down door with your visitor to Oz (7)