Apparently, this " wing heart" acts as a pump that helps propel haemolymph through the scent pad.

，个“翅膀心脏”就像一个泵，帮助推血液淋巴通过气味垫。

More recently, it was discovered that haemolymph continues to flow through the veins throughout the insect's life.

近发现在昆虫的一生中，血淋巴一直在血管中流。