Approximately, 32% of the nine species analyzed showed a trend toward the reduction of their body size: Psedna nana, Algete brunneri, Jaragua oviedensis, Piscacris robertsi, Ichthyotettix mexicanus, Sphenotettix nobilis, Pyrgotettix pueblensis, Sphenacris crassicornis , and Pyrgomorpha conica . 3.3 Climatic conditions and body size According to the comparisons between the pgls models with the AIC criteria, the best predictor model was only associated with the mean annual temperature, and the thorax width SSD ( F (3,28) = 3.385, p = .032).
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Annual temperature, body size, and sexual size dimorphism in the evolution of Pyrgomorphidae.
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