Two new Automeris from western Mexico (Lepidoptera: Saturniidae: Hemileucinae).

C. Lemaire, K. L. Wolfe


Automeris stacieae new sp. and Automeris ahuitzotli new sp. are described from the states of Guerrero and Oaxaca in western Mexico. They belong to the groups of Automeris io (Fabricius) and Automeris cecrops (Boisduval) respectively. Both are montane species, inhabitants primarily of the Pacific slope of the Sierra Madre del Sur. Male and female gentalia are figured, species variation and distribution are indicated when known, and specific characters are discussed and compared with those of their most closely related species. The last instar larva of A. ahuitzotli is described, figured and compared with larvae of Mexican and southern USA species of the same group.

Se describen Automeris stacieae sp. nov. y Automeris ahuitzotli sp. nov. de los estados de Guerrero y Oaxaca en México occidental. Pertenecen a los grupos de Automeris io (Fabricius) y de Automeris cecrops (Boisduval) respectivamente. Ambas son especies montañezas, habitants esencialmente de las vertientes pacíficas de la Sierra Madre del Sur. Se figuran los genitales de macho y hembra, se indican la variación y la distribución conocidas, y se discuten los caracteres específicos en comparación con las especies de más parentezco. Se describe e ilustra la larva de último estadío de A. ahuitzotli, comparándola con las de otras especies mexicanas y estadounidenses sureñas del mismo grupo.


Arizona; Automeris ahuitzotli new sp.; Automeris stacieae new sp.; Costa Rica; distribution; Fabaceae; genitalia; Guatemala; hostplants; immature stages; Leguminosae; Mexico; Sierra Madre del Sur; USA; variation

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