“Hotter than a blister bug in a pepper patch” (very hot)

Entry in progress—BP
 
yahoo! news
Southern Living
Things Southerners Say When It’s Hot     
Valerie Fraser Luesse
March 20, 2017
(...)
It’s hotter’n a blister bug in a pepper patch.
 
Newspapers.com
21 June 2018, The Herald-Sun (Durham, NC), “How hot is it? ‘Hotter than Satan’s house cat;’ 86 ways to say it’s hot” by Josh Shaffer, pg. 4A, cols. 1-2:
5. Hotter than a blister bug in a pepper patch.

Time/Weather