BACTERIAL VOLATILES. “Honeydew volatiles, mostly from bacterial origins, are known to be a key element in ant attraction…The relative attractiveness of volatiles emitted by honeydews collected from each aphid species and by bacteria isolated from each honeydew was in investigated. Again, ants significantly preferred volatiles released by Aphis fabae honeydew and bacteria. This information suggests that microbial honeydew volatiles enable ants to distantly discriminate aphid species.”
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