derivation from stochastic ecological processes. J. Math. Biol. 34. 579-612. Endkr. A.. t.iebig. J.. Schmitt. T. Patter. It. Jones. G.K. Schroer, Holldobler. B.. 2004. Surface hydrocarbons of queen eggs regulate woiket teproduction in a social insect. Proc Natl. Mad. Sc,. U.S.A. 101. 2945-2950. Poster.