The most common and most likely answer to this crossword clue is the 7 letter word SYSTEMS
I've seen this crossword clue in Independent
S
Y
S
T
E
M
S
More clues leading to the result SYSTEMS
- Second year stops logical processes
- Organisations unknown in small parts of plant
- Procedures coming from case of scurvy — crew losing one on board ship
- Spy, losing heart, blocks procedures
- Blocks put on spy’s cover and methods
- Methods intended to avoid betting slips?
- Methods of organising messy rubbish around street
- Hollow sincerity set tricky writing techniques
- Daisy stems boast complex organisations
- Checks after covering of safety procedures
Buddy explains!

The straight part
We know that "groups with attractive bodies" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case groups with attractive bodies = systems.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 SYSTEMS mean?
SYSTEMS noun- A collection of organized things; a whole composed of relationships among its members.
- A method or way of organizing or planning.