Anthonomis grandis

A pentane extract of tung Aleurites fordiU Euphor-biaceae) that contained a-eleostearic acid [(9Z,11 , 13 )-octadecatrienoic acid] (67) and /7/Ara-9,10-dihydroxy-l-octadecanyl acetate (acetate of 68) was shown to be strongly repellent to Anthonomis grandis, the boll weevil, as well as other insects (Jacobson et al., 1981). 

Figure 6.7 The aggregation pheromone of male Anthonomis grandis made from geraniol and nerol The four compounds A, B, Cand D together make up grandlure...

Plate 6 The boll weevil Anthonomis grandis, an important pest of cotton andproducer ofa terpene aggregation pheromone. Insects are a favoured subject for philately... 

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