The diameter of it is about 40um and contain about 35 glomeruluses , wich receive the axon from the frontally situated antenna. The antenna lobe is the primary sense nerves central.

• 触角神经叶位于触角根部下方中脑内，呈球形结构，直径在40卿左右，内含约35个神经纤维球，接受来自感受器的神经轴突，为感受作用的初级中枢神经。