Fabulous group caught these insects (7)

I believe the answer is:

beetles

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'these insects' is the definition.
(beetle is a kind of insect)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for beetles that I've seen before include "Four-winged insects" , "Bet eels could turn into insects" , "Lets bee turn to insects" .)

I've seen this clue in The Sun.

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