We stumbled upon a document that might help others ID the sex of their True Spiders; the spider section begins on page 71 as Chapter 7. Enjoy! 
Sex, Size and Gender Roles: Evolutionary Studies of Sexual Size Dimorphism
By Daphne J. Fairbairn, Wolf U. Blanckenhorn, Tamás Székely
Link to Book: http://books.google.com/books?id=WP...omedes tenebrosus&pg=PA71#v=onepage&q&f=false
Sex, Size and Gender Roles: Evolutionary Studies of Sexual Size Dimorphism
By Daphne J. Fairbairn, Wolf U. Blanckenhorn, Tamás Székely
Link to Book: http://books.google.com/books?id=WP...omedes tenebrosus&pg=PA71#v=onepage&q&f=false
