4-Hydroxy-9-octadecenolide Formula: C18H32O2 CAS#: MW: 280.45 [MS]  [Chemdraw]	Dots surface:
Species utilize 4-Hydroxy-9-octadecenolide in its chemical communication system Hymenoptera, Formicidae, Formicinae, Lasiini   Lasius flavus      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Yellow turf ant