Concentrations (pg/g) of sterols in 5th instars desert locusts fed on wheat seedlings.

Retention time (Rt), wheat seedlings (W), oral secretion (OS), foregut (FG), midgut (MG), hindgut (HG), frass (F), hemolymph (H) and fat body (FB).Concentrations of sterol bearing the same letter in various tissues and secretions (across the column) are not significantly different (P≤0.05, Tukey’s, HSD test).○ Identified by comparison with authentic samples.◊ Identification by library data and through derivatization.✘ denotes not detected.Concentrations (pg/g) of sterols in 5th instars desert locusts fed on wheat seedlings.