E-7-methyl-1,6-dioxaspiro<4.5>decane in the chemical communication of European Scolytidae and Nitidulidae (Coleoptera).
1992
Kohnle U. | Densborn S. | Koelsch P. | Meyer H. | Francke W.
E-7-methyl-1,6-dioxaspiro<4.5>decane (MDOS), a spiroacetal known from male ash bark beetles, Leperisinus varius (Col., Scolytidae), was found in the frass of the fir bark beetle, Cryphalus piceae. In the field, MDOS reduces L. varius response to baited traps regardless of chirality but only the naturally produced (5S, 7S-(-)-enantiomer effects response reduction in C. piceae while racemic MDOS attracts an associate, Epuraea thoracica (Col., Nitidulidae) in significant numbers.
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