To survive and successfully reproduce animals need to maintain a balanced intake of
nutrients and energy. The nervous system of insects has evolved multiple mechanisms to …

Drosophila melanogaster flies concentrate behavioral activity around dawn and dusk. This
organization of daily activity is controlled by central circadian clock neurons, including the …

Innate behaviors involve both reflexive motor programs and enduring internal states, but
how these responses are coordinated by the brain is not clear. In Drosophila, male-specific …

Internal state controls olfaction through poorly understood mechanisms. Odours that
represent food, mates, competitors and predators activate parallel neural circuits that may be …

How brains are hardwired to produce aggressive behavior, and how aggression circuits are
related to those that mediate courtship, is not well understood. A large-scale screen for …

Highlights•Drosophila engage in a complex repertoire of aggressive behaviors.•Sensory
cues from conspecific competitors, potential mates and food resources drive aggression in …

Animals modify food-seeking behavior and metabolism according to perceived food
availability. Here we show that, in the roundworm C. elegans, release of neuropeptides from …

Publisher Summary This chapter examines opportunities afforded by the publication of the
fly genome, and focuses on more specific information concerning Drosophila. The chapter …

Summary The neuropeptide Pigment-Dispersing Factor (PDF) plays a critical role in
mediating circadian control of behavior in Drosophila. Here we identify mutants (groom-of …

Neuropeptides modulate neural circuits controlling adaptive animal behaviors and
physiological processes, such as feeding/metabolism, reproductive behaviors, circadian …