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Diomus Mulsant, 1850 (Coleoptera: Coccinellidae) is the richest Neotropical genus of Coccinellidae, representing 15% of the total diversity of these insects in South America. These Coccinellidae are tiny, inconspicuous beetles that are difficult to identify without examining the male genitalia. This paper presents three new species of this genus from the Brazilian Highlands: Diomus chrysocyon Duarte-de-Mélo sp. nov.; Diomus solus Duarte-de-Mélo sp. nov.; and Diomus avidus Duarte-de-Mélo sp. nov.. This work reveals unusual morphological aspects not previously reported for Diomus.
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Almeida, L.M., Churata-Salcedo, J.M., Santos, P.B., Duarte-de-Mélo, J., & Castro, C.F. (2025). Coccinellidae in Catálogo Taxonômico da Fauna do Brasil. Available at: http://fauna.jbrj.gov.br/fauna/faunadobrasil/121858
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