(Z,Z)-9,19-Nonacosadiene Formula: C29H56 CAS#: MW: 404.76 [MS]  [Chemdraw]	Dots surface:
Species utilize (Z,Z)-9,19-Nonacosadiene in its chemical communication system Hymenoptera, Tenthredinidae   Pikonema alaskensis      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Yellowheaded spruce sawfly