The most common and most likely answer to this crossword clue is the 9 letter word DISINFECT
I've seen this crossword clue in The Daily Telegraph
D
I
S
I
N
F
E
C
T
More clues leading to the result DISINFECT
- Clean girl’s really sounding posh
- Sanitise wrong abbreviation for “iron” in dictionary
- Finds it difficult to keep city clean
- Finest CID bust to get rid of bugs
- Debug beds in Homes and Gardens
- Get rid of bugs in den, if it’s terribly cold inside
- Sterilise empty fridge impounded by police officers in court
- Clean scent if I’d showered?
- Treat daughter having an insect bite around fingertip
- Get rid of all bad bits in Dent sci-fi novel
Buddy explains!

The straight part
We know that "Get rid of bugs" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case get rid of bugs = disinfect.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DISINFECT mean?
DISINFECT verb- To sterilize by the use of cleaning agent.