"indestructible" Insect Pest

This page is the CodyCross answer for the clue below from Resorts, Group 558, Puzzle 3 (Tour Guides).

Question

"indestructible" Insect Pest

Answer

COCKROACH

Word Meaning:

COCKROACH — Any black or brown straight-winged insect of the order Blattodea that is not a termite.

Definitions from Wiktionary.