152 Verduzco D, Clerc-Blankenburg KP, Dubchak I, Noor MA, Anderson W, White KP, Clark AG, Schaeffer SW, Gelbart W, Weinstock GM, Gibbs RA (2005) Comparative genome sequenc- ing of Drosophila pseudoobscura: chromosomal, gene, and cis- element evolution. Genome Res 15:1–18 Robertson LK, Bowling DB, Mahaffey JP, Imiolczyk B, Mahaffey JW (2004) An interactive network of zinc-finger proteins contributes to regionalization of the Drosophila embryo and establishes the domains of HOM-C protein function. Development 131:2781– 2789 Roder L, Vola C, Kerridge S (1992) The role of the teashirt gene in trunk segmental identity in Drosophila. Development 115:1017– 1033 Sato T, Hayes PH, Denell RE (1985) Homeosis in Drosophila: roles and spatial patterns of expression of the Antennapedia and Sex combs reduced loci in embryogenesis. Dev Biol 111:171–192 Singh A, Kango-Singh M, Sun YH (2002) Eye suppression, a novel function of teashirt, requires Wingless signaling. Development 129:4271–4280 Soanes KH, MacKay JO, Core N, Heslip T, Kerridge S, Bell JB (2001) Identification of a regulatory allele of teashirt (tsh) in Dev Genes Evol (2008) 218:141–152 Drosophila melanogaster that affects wing hinge development. An adult-specific tsh enhancer in Drosophila. Mech Dev 105:145–151 Stauber M, Jackle H, Schmidt-Ott U (1999) The anterior determinant bicoid of Drosophila is a derived Hox class 3 gene. Proc Natl Acad Sci USA 96:3786–3789 Stauber M, Prell A, Schmidt-Ott U (2002) A single Hox3 gene with composite bicoid and zerknullt expression characteristics in non- Cyclorrhaphan flies. Proc Natl Acad Sci USA 99:274–279 Struhl G (1983) Role of the esc+gene product in ensuring the selective expression of segment-specific homeotic genes in Drosophila. J Embryol Exp Morphol 76:297–331 Stuart JJ, Brown SJ, Beeman RW, Denell RE (1991) A deficiency of the homeotic complex of the beetle Tribolium. Nature 350:72–74 Tomoyasu Y, Denell RE (2004) Larval RNAi in Tribolium (Coleoptera) for analyzing adult development. Dev Genes Evol 214:575–578 Tomoyasu Y, Wheeler SR, Denell RE (2005) Ultrabithorax is required for membranous wing identity in the beetle Tribolium castaneum. Nature 433:643–647 Tribolium Genome Sequence Consortium (2008) The genome of the model beetle and pest Tribolium castaneum. Nature (in press)