Journal Article Hybrid Sex Pheromones of the Hibiscus Flower-bud Borer, Rehimena surusalis

Honda, Hiroshi  ,  Yamasaki, Ryokuhei  ,  Sumiuchi, Yoko  ,  Uehara, Takuya  ,  Matsuyama, Shigeru  ,  Ando, Tetsu  ,  Naka, Hideshi

41 ( 11 )  , pp.1043 - 1049 , 2015-11 , Springer US
The sex pheromone of the hibiscus flower borer Rehimena surusalis (Walker) (Lepidoptera: Crambidae) was analyzed by gas chromatography with electroantennographic detection (GC-EAD) and GC-mass spectrometry (GC/MS). Three EAD-active components were found in crude pheromone gland extracts of calling females. GC/MS and GC analyses using synthetic chemicals and derivatization of the extracts identified three components as (10E,12Z)-hexadeca-10,12-dienal (E10,Z12-16:Ald,), (10E,12E)-hexadeca-10,12-dienyl acetate (E10,Z12-16:OAc), and (3Z,6Z,9Z)-tricosa-3,6,9-triene (Z3,Z6,Z9-23:HC). In field tests, male moths were strongly attracted to a ternary blend of E10,Z12-16:Ald, E10,Z12-16:OAc, and Z3,Z6,Z9-23:HC at a ratio of 1:5:14, but single and binary blends showed only weak or no attraction.

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