Big enough that Blackie (aka Psycho Ninja Kitty o' Doom) wouldn't go NEAR it.
No bug spray.
Telaryn fails saving throw vs. insectphobia. Also fails tennis shoe throw vs. insect.
Finally through a combination of blind luck and blind aim, manages to stun the fucker long enough to suck him/her/it up in the vacuum cleaner.
Moments later, fucker crawls *OUT* of the vacuum cleaner.
Lather, rinse, repeat. This time with Windex to slow him down and kleenex to clog the hose temporarily.
There's a reason I work so hard to suppress my inner girly nature. It ain't a pretty sight.
The vacuum cleaner is spending the night in the garage. At least if he/she/it escapes in there, I have a fighting chance.