Revalidation and redescription of Deltochilum (Calhyboma) burmeisteri (Coleoptera: Scarabaeidae), with a key to related species

Abstract

Taxonomy and systematics Revalidation and redescription of Deltochilum (Calhyboma) burmeisteri (Coleoptera: Scarabaeidae), with a key to related species Revalidación y redescripción de Deltochilum (Calhyboma) burmeisteri (Coleoptera: Scarabaeidae), con una clave para las especies relacionadas

Spatiotemporal variation in the adult sex ratio, male aggregation, and movement of two tropical cloud forest dung beetles

“…We sampled over the course of a year, and analyzed the influence of habitats with contrasting vegetation cover (forest and nonforest [NF]) and seasonality (rainy and dry) on variation in ASR, male aggregation, and the movement of 2 dung beetles: Deltochilum mexicanum (Burmeister, 1848) and D. satanas (Harold, 1867). Both species are typical of the cloud forest in Mexico and are abundant most of the year, but differ in habitat preference: D. mexicanum almost exclusively inhabits well-conserved cloud forests ( Moctezuma et al 2021 ), while D. satanas is a tolerant species associated with different types of land use, including forest, pastures, and crop fields ( Halffter et al 2007 ; Rös et al 2012 ). They also differ in their expression of secondary sexual characters, dung relocation behavior, nesting pattern, and parental investment ( Table 1 ).…”