Resumo

CUATE-MOZO, Víctor Alfonso et al. Description of the pupa and redescription of the third larval stage of Ligyrus ruginasus LeConte, 1856 (Coleoptera: Melolonthidae: Dynastinae). Acta Zool. Mex [online]. 2023, vol.39, e2524.  Epub 06-Maio-2024. ISSN 2448-8445.  https://doi.org/10.21829/azm.2023.3912524.

The third instar larva and pupa of Ligyrus ruginasus LeConte, 1856 are redescribed, with collected specimens in Ocolome, municipality of El Fuerte, Sinaloa, Mexico. The larvae were collected in plots cultivated with beans (Phaseolus vulgaris L.) and watermelon (Citrullus lanatus (Thunb.)), and in soil with organic matter from equine excrement. Illustrations of the structures and comments that allow the identification of L. ruginasus are included, as well as a modification to the identification key for the third instar larvae of L. gibbosus (De Geer, 1774), 1888, L. nasutus (Burmeister, 1847), L. (Ligyrodes) sallaei Bates, and L. (Ligyrodes) relictus (Say, 1825) distributed in Mexico and the United States.

Palavras-chave : rhizophagus; withe grubs; morphology; taxonomy.

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