Odorant receptor which plays a critical role in the anthropophilic host-seeking behavior; establishes the host preference to transmit malaria. Expressed in male and female antennae and maxillary palps. Strong response to the odorant 2-methylphenol when expressed in odorant receptor deficient Drosophila. Belongs to the insect chemoreceptor superfamily. Heteromeric odorant receptor channel (TC 1.A.69) family. Or30a subfamily.