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Fig. 4. Release dynamics of 5-hydroxy-4-decanolide (total amounts) by N.
vitripennis males during a 5-h sampling period (N=10). Each bar
diagram represents the results from one individual male. Amounts released per
hour are presented as the percentage of the total amount released in 5 h.
Volatile sampling was performed during the photophase between 10:00 h and
18:00 h.