Abstract:
:The salticid spider Cosmophasis bitaeniata preys on the larvae of the green tree ant Oecophylla smaragdina. Gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) reveal that the cuticle of C. bitaeniata mimics the mono- and dimethylalkanes of the cuticle of its prey. Recognition bioassays with extracts of the cuticular hydrocarbons of ants and spiders revealed that foraging major workers did not respond aggressively to the extracts of the spiders or conspecific nestmates, but reacted aggressively to conspecific nonnestmates. Typically, the ants either failed to react (as with control treatments with no extracts) or they reacted nonaggressively as with conspecific nestmates. These data indicate that the qualitative chemical mimicry of ants by C. bitaeniata allows the spiders to avoid detection by major workers of O. smaragdina.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Allan RA,Capon RJ,Brown WV,Elgar MAdoi
10.1023/a:1015249012493keywords:
subject
Has Abstractpub_date
2002-04-01 00:00:00pages
835-48issue
4eissn
0098-0331issn
1573-1561journal_volume
28pub_type
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