"indestructible" Insect Pest
This page is the CodyCross answer for the clue below from Resorts, Group 558, Puzzle 3 (Tour Guides).
Question is: "indestructible" Insect Pest
and the answer is: COCKROACH
Word Meaning:
COCKROACH — Any black or brown straight-winged insect of the order Blattodea that is not a termite.
Definitions from Wiktionary.