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1 February 2011 Phylogenetic Comparative Methods Reveal Higher Wing Loading in Ant-Attended Tuberculatus Aphids (Hemiptera: Aphididae)
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Abstract

Aphids of the genus Tuberculatus Mordvilko feed on Fagaceae trees and exhibit various interactions with ants, ranging from non-attendance to intermediate or close associations. Despite possession of fully developed wings, two ant-attended species, Tuberculatus quercicola (Matsumura) and Tuberculatus sp. A, exhibited extremely low dispersal. I examined the correlation between wing loading (ratio of body volume to wing area) and ant associations in 20 species of Tuberculatus. Based on a 1317 bp sequence in two mitochondrial regions, cytochrome oxidase I (COI) and NADH dehydrogenase subunit 1 (ND1), phylogenetic trees were reconstructed by neighbor-joining (NJ), most parsimony (MP), maximum likelihood (ML), and Bayesian analyses. AU phylogenetic trees showed that mutualistic interactions with ants have evolved in Tuberculatus at least five times. Comparative analyses based on the NJ, MP, and ML trees showed that increase in wing loading is correlated with ant associations, suggesting that ant-attended aphids have allocated more resources to their bodies than to their wings, resulting in lowered dispersal.

© 2011 Entomological Society of Canada
Izumi Yao "Phylogenetic Comparative Methods Reveal Higher Wing Loading in Ant-Attended Tuberculatus Aphids (Hemiptera: Aphididae)," The Canadian Entomologist 143(1), (1 February 2011). https://doi.org/10.4039/n10-050
Received: 4 July 2010; Accepted: 8 October 2010; Published: 1 February 2011
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