...so after the Mangey Possum had been dealt with, I figured we were probably on the Road to Wellville.
For a few days, there were fewer fleas.
But...
...there were still fleas.
Yes, I realize flea pupae can survive a year before re-hatching. I wasn't expecting overnight results.
So I set the trap out again, this time with some tasty sardines.
For another few days, the trap was empty. Then, suddenly it wasn't empty.
It wasn't empty at all.
At first I'd captured Chewbacca. It was that big. It filled the entire fucking cage from end to end. A few light pokes with a reassuringly long garden implement produced this:

The possum was maybe 7 lbs. This thing was more like 13-15 lbs.
The possum was mangey. This thing looked slightly better groomed.
The possum was docile.
This thing? This thing was not.
Despite the metal shield built into the cage to protect the user from dangerous animals contained within, I was unable to get anywhere near the cage with my bare hands. Not only did Mr. Raccoon McFleaBag hiss, growl, and snap at me with vigor, he also tried to grab my ass with his creepy little paws. He was assertively unhappy to be trapped in a small wire box, and somehow he knew I'd put him there.
After several scares and false starts, I managed to heft the cage with the end of a broomstick. We'll note 15 twitching, biting, grabbingly hostile lbs. is a lot of fucking weight to balance on the end of said stick. Imagine putting a collar on a large, angry cat, then trying to pick it up with a broom handle, and you'll get some idea what it was like.
I used to think raccoons were cute. Not anymore.
Release was the scariest part. After proceeding back to my favorite Greenbelt Enfleament Zone and experiencing profound relief that Mr. 'Coon hadn't managed to escape in the trunk, I had to solve the problem of how to let him out. The cage door has to be HAND OPENED to get past the spring mechanism, after which a small twist-tie wire can be tied down to hold it open. I used my broomstick/defensive weapon to keep the varmint (possum was a critter. This was definitely a varmint) occupied at one end of the cage while I poked around reluctantly at the other end. Here his size played to my advantage, because he was so big it was hard for him to turn around in the cage. But then he did something I wasn't expecting. When I had the door about 1/4 open, he backed up and wedged his hairy, wiggling ass into the hole. I had to let go and back up, brandishing my handle on high as he squeezed his entire bulk ass-backward past the spring. To my great relief, he ran off into the woods as planned rather than attacking me.
I've *still* got half a can of sardines left, but I may need to get a bigger cage for whatever's coming next...