Condensed info re Callibaetis (the Orb, Roxy, Nymphs in general) in your one stop shopping blog:

 

 http://swittersb.wordpress.com/2008/06/11/copes-callibaetis-nymph/

http://swittersb.wordpress.com/2008/06/07/the-orb-callibeatis-nymph-or-emerger-presentations/

http://swittersb.wordpress.com/2008/05/26/flytying-for-me-presentation-for-the-fish/

http://swittersb.wordpress.com/2008/05/16/the-orb-again/

http://swittersb.wordpress.com/2008/05/12/the-orb-callibaetis-emerger-2/

http://swittersb.wordpress.com/2008/05/06/callibaetis-nymphs-stalcups-roxys/

http://swittersb.wordpress.com/2008/05/03/roxy-rainbow-flash-emerger/

http://swittersb.wordpress.com/2008/04/23/stillwater-callibaetis-mayfly/

http://swittersb.wordpress.com/2008/04/14/orb-experiments-callibaetis-emerger/

http://swittersb.wordpress.com/2008/04/09/callibaetis-emerger-observations/