Abstract

Abstract Electrophysiological recording showed two types of pheromone receptor cell in one sensillum trichodeum of the male Paranthrene tabani formis. Type A receptor cell fired larger nerve impulse to the major pheromone component E3, Z13,‐18:OH; type B receptor cell fired smaller nerve impulse to the candidate compound of minor pheromone component Z3, Z13‐18:Ac. Pheromonal effect should be tested still in field and behavior response. The selective adaptation demonstrated that Z3, Z13,‐18:Ac and E3, Z13‐18: Ac excited the same receptor cell. E3, Z13‐18:Ac was an analog of pheromone.

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