redbug

[red-buhg] /ˈrɛdˌbʌg/
noun, Chiefly South Atlantic States.
1.
chigger (def 1).
Origin
1795-1805; red1 + bug1
British Dictionary definitions for redbug

redbug

/ˈrɛdˌbʌɡ/
noun
1.
(US) another name for chigger (sense 1)