Examples of two candidate Hymenoptera-specific genes. (a) Fire ant sequence SI.CL.23.cl.2326.Contig1 matches an ab intio predicted honey bee gene that has no homology to any sequences in the public databases. The predicted gene was not included in the Honey Bee Official Gene Set. (b) Fire ant assembled sequence SiJWG03ACB.scf is the first EST evidence for the ab initio predicted honey bee gene GB19005-PA. Fire ant sequences are depicted as yellow boxes. Orientation (5' to 3') is indicated by an arrow. Predicted honey bee genes are depicted in purple; official Gene Set genes are shown in red. Images are based on output from Beebase (see Materials and methods).