- biforous spiracle
- 双室气门
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
biforous spiracle — (ARTHROPODA: Insecta) An immature s spiracle having two entrances (air tubes); annular biforous spiracles … Dictionary of invertebrate zoology
annular spiracle — (ARTHROPODA: Insecta) 1. In immature Lepidoptera and Hymenoptera, simple, ring like spiracles with a single opening with no accessory chambers. 2. In other immature insects, may be biforous, having two small or large accessory or secondary… … Dictionary of invertebrate zoology