The Phil Silvers Show - Season 2 Episode 31 Bilko Acres
Overview: When Bilko thinks that the camp is being enlarged he buys swamp land next door hoping to make a killing only to find that the camp is being slimmed down. Trying to recoup his money he tries to sell it as building land but first he has to kill all the mosquitoes in the swamp and he gives the job to Doberman with unfortunate repercussions