contents 1. the development of the drosophila larval brain volker hartenstein, shana spindler, wayne pereanu and siaumin fung abstract synopsis of the phases and elements of drosophila brain development progenitors of the drosophila brain: neuroblasts and ganglion mother cells the generic cell types of the drosophila brain neuroanatomy of the developing drosophila brain: the systems of lineages, tracts and compartments outlook 2. anteroposterior regionalization of the brain: genetic and comparative aspects robert lichtneckert and heinrich reichert abstract introduction the cephalic gap genes otd/otx and ems/emx control anterior brain development the hox genes pattern the posterior brain evidence for a tripartite organization of the brain 3. dorsoventral paterning of the brain: a comparative approach rolf urbach and gerhard m. technau abstract introduction dv patterning of the truncal part of the cns in drosophila and vertebrates dv patterning of the brain in drosophila a comparison with dv regionalization of the vertebrate telencephalon conclusions 4. disection of the embryonic brain using photoactivated gene expresion jonathan minden abstract introduction procephalic blastoderm fate map brain-forming mitotic domains populate distinct brain regions conclusion 5. design of the larval chemosensory system reinhard f. stocker abstract introduction chemosensory organs of the larval head olfactory system gustatory system the drosophila larva as a model for smell and taste 6. development of the drosophila olfactory system veronica rodrigues and thomas hummel abstract introduction organization of the drosophila adult olfactory system specification of the olfactory sense organs olfactory lineages revisited origin of glial cells development of orn connectivity olfactory map organization cellular and molecular mechanisms of orn wiring specificity specification of projection neurons development of pn dendrites concluding remarks 7. the olfactory sensory map in drosophila philippe p. laissue and leslie b. vosshall abstract introduction olfactory organs and olfactory sensory neurons of drosophila odorant receptor gene expression ligand tuning profiles a receptor-based map of glomerular projections sexual dimorphism in the drosophila olfactory system concluding remarks 8. optic lobe development karl-friedrich fischbach and peter robin hiesinger abstract introduction the adult visual system is organized into parallel visuotoptic functional pathways lamina development medulla and lobula complex development concluding remarks 9. clonal unit architecture of the adult fly brain kei ito and takeshi awasaki abstract introduction structure of the adult brain techniques for visualising clonally related progeny clonal unit architecture in the adult brain formation of the clonal units during development functional importance of the clonal units conclusion index