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Dimorphic Olfactory Lobes in the Arthropoda
Author(s) -
Strausfeld Nicholas,
Reisenman Carolina E.
Publication year - 2009
Publication title -
annals of the new york academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.712
H-Index - 248
eISSN - 1749-6632
pISSN - 0077-8923
DOI - 10.1111/j.1749-6632.2009.04020.x
Subject(s) - sexual dimorphism , biology , antennal lobe , courtship , insect , nocturnal , olfactory system , vomeronasal organ , evolutionary biology , lobe , zoology , anatomy , neuroscience , ecology
Specialized olfactory lobe glomeruli relating to sexual or caste differences have been observed in at least five orders of insects, suggesting an early appearance of this trait in insect evolution. Dimorphism is not limited to nocturnal species, but occurs even in insects that are known to use vision for courtship. Other than a single description, there is no evidence for similar structures occurring in the Crustacea, suggesting that the evolution of dimorphic olfactory systems may typify terrestrial arthropods.