the cuticular lipids of the grasshoppers melanoplus sanguinipes and melanoplus packardii contain 60 and 68 % alkanes and 28 and 18 % secondary alcohol wax esters , respectively , with lesser amounts of normal and sterol wax esters , triglycerides , alcohols , sterols , and free fatty acids .
C0023779
lipids
C0043076
wax