We have the same problem when chopping pork outside, but have learned to sprinkle some peppermint extract/flavoring around the area and it keeps the flies and bees away.
CMJ - KCBS & Carolina BBQ League (NCBBQA)
CBJ - MBN, NCBS, NCPC, & SBN
CTC - KCBS
Pitmaster and chef - "4 Lil' Pigs" Competition BBQ Team
Author of "A 'Q' Review"
Lang Smoker, BDS, & Holland "Epic"