I've always found that Flower Corvets, can be and often are, the most dangerous. I don't know if it's a SH3 quirk but they can always pin point you and they're buggers to shake off.
I remember when I first took to SH3 and joined the UBI forum(
) there was so many players dying due to Flower Corvets that I think they all
deliberately went after them.
IIRC the thread was called 'Flowers for Crystine'.