Aphid–Buchnera–ant symbiosis, or why are aphids rare in the tropics and very rare further south?

Publication Type:Conference Paper
Year of Publication:2016
Authors:E. Perkovsky, Wegierek P.
Conference Name:The 7th International Conference on Fossil Insects, Arthropods and Amber
Date Published:26/04/2016
Publisher:Siri Scientific Press
Conference Location:National Museum of Scotland, Edinburgh
Abstract:

The Cainophyte tropical fauna of aphids was depleted because of the low heat tolerance of Buchnera and the associated switch of aphids to obligatory parthenogenesis at high average annual temperatures. Cretaceous aphids were affected more than other insects by the extinction event at the Mesozoic–Cenozoic boundary. Their extinction was simultaneous with the establishment of symbiosis between the surviving aphidoids and Formicinae or Dolichoderinae, which was accompanied by the rise and expansion of all three groups.

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