Receptor for the neuropeptide CCHamide-1 (PubMed:21110953, PubMed:23293632). Plays a role in the modulation of starvation-induced olfactory behavior where starved flies show increased responsiveness to food odorants, repellants and pheromones (PubMed:24067446). Low levels in larval brain and gut with higher levels in adult brain and gut. Very low expression in eggs. Expression increases during the first and second instar larval stages, decreases in the third instar larval stage and increases again in pupae and adults. Belongs to the G-protein coupled receptor 1 family.