Cameraria gaultheriella and C. lobatiella attracted in Canada to (E,Z)-8,10-tetradecadienal, the sex pheromone of the European C. ohridella

Gábor Szöcs, Imre S. Otvos, Andrea J. Schiller, Jan Bergmann, Wittko Francke

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Field trapping trials showed that Cameraria gaultheriella Walsingham and C. lobatiella Opler and Davis (Lepidoptera: Gracillariidae) were attracted in significant numbers in British Columbia, Canada, to sticky traps baited with 10 μg of (E,Z)-8,10-tetradecadienal (E8Z10-14Ald), the sex pheromone of the European horse chestnut leafminer, C. ohridella Deschka and Dimic. There was perfect specificity in captures at habitats located only about 8 km apart from each other: C. gaultheriella was captured exclusively at a humid habitat covered by the shrub salal, Gaultheria shallon Pursh (Ericaceae), whereas C. lobatiella was trapped at an arid location with Garry oak trees, Quercus garryana Dougl. (Fagaceae). Seasonal flight patterns of these two Canadian Cameraria species, as monitored by pheromone traps, indicated differences in their respective flight periods. The possibility of additional cryptic components in the respective pheromones of these three Cameraria species attracted to E8Z10-14Ald is discussed.

Original languageEnglish
Pages (from-to)263-268
Number of pages6
JournalCanadian Entomologist
Volume138
Issue number2
DOIs
StatePublished - Mar 2006
Externally publishedYes

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