Xylocopa spp. - Large Carpenter Bees
- Biology, distribution, identification, economic importance, and management, with reference list and images. From state of Florida.
- http://creatures.ifas.ufl.edu/misc/bees/xylocopa.htm

Carpenter Bees - Xylocopa spp.
- Description of the life cycle and habits of this group of bees, with a photo and advice on coping with them. From Clemson University.
- http://entweb.clemson.edu/creatures/crptrbee.htm