13a) Connected zero with 9/50 (2,4) O???N?
14d) Immature insect last to appear in volcanic rock. (5) no letters
16d) Denizen of swamp rang off during shift (8) ??N?R?V?
25d) Small issue published on time (4)
Any help much appreciated.
Many thanks to Baldric, Sipowicz and gen 2 for your help, and good luck to all. Sipowicz: Managed a win on saturday, with a manager called Brian how could we lose, he's 1 out of 1 so far.