Héctor T. Arita W.


ABSTRACT. The outline shape of noseleaves of Phyllostomid bats is described using Fourier analysis. Line drawings of the noseleaves of nine phyllostomines, seven stenodermatines, and one carolliinae were used to calculate the parameters of a simplified Fourier equation fitted using a multiple-regression model. The outline of noseleaves can be reconstructed by plotting the corresponding Fourier equations. Noseleaves of phyllostomines and stenodermatines were compared using the coefficients of the Fourier equations and no significant difference was detected, although some species such as Lonchorhina aurita were clearly outliers. 

RESUMEN. Se utilizó el análisis de Fourier para describir la forma de las hojas nasales de los murciélagos filostómidos. Se usaron dibujos del contorno de las hojas nasales de nueve filostominos, siete estenodermatinos y un carolino para calcular los parámetros de una ecuación de Fourier simplificada ajustada por un modelo de regresión múltiple. El contorno de las hojas nasales puede reconstruirse graficando las ecuaciones de Fourier correspondientes. Se compararon las hojas nasales de los filostominos y de los estenodermatinos usando los coeficientes de Fourier y no se detectó ninguna diferencia significativa, a pesar de que algunas especies, como Lonchorhina aurita, se salieron totalmente del patrón general. 

Key words: Chiroptera, Phyllostomidae, Neotropical fauna, noseleaves morphology.

Palabras clave

Chiroptera, Phyllostomidae, fauna neotropical, morfología de la hoja nasal

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