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Acarofauna (Arachnida: Acari) associated with phytotelmata of aroids Xanthosoma daguense and X. sagittifolium (Plantae: Araceae).

Exp Appl Acarol

July 2025

Grupo de Investigación en Ecosistemas Tropicales, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 #26-10, Caldas, Manizales, 170004, Colombia.

Phytotelmata provide favorable habitats for invertebrates, such as insects and mites. However, previous acarofauna studies on phytotelmata have primarily focused on tree holes, pitcher plants, and bromeliads, leaving other types, such as the leaf axils of aroids, underexplored. Therefore, the present study aimed to determine the composition of the acarofauna in the leaf axils of two Araceae species, Xanthosoma daguense Engl.

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Primary and secondary sexual characters of Mesostigmata are often used in species descriptions and phylogenetic analyses. The use of these characters has been focused almost exclusively on external structures. Digital 3D reconstruction based on synchrotron X-ray microtomography (SR-μCT) data allowed a comparative investigation of the structure of an internal system, the female genital atrium, in the mite lineage Uropodina (Parasitiformes: Mesostigmata).

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A new remarkable representative of Uropodina mites from Seychelles (Acari, Mesostigmata, Trematuridae).

Zookeys

February 2025

Institute of Environmental and Agricultural Biology (X-BIO), University of Tyumen, Lenina str. 25, 625000 Tyumen, Russia University of Tyumen Tyumen Russia.

A new genus, (Mesostigmata: Uropodina: Trematuridae), with as its type species, is described, based on a female, males, and deutonymphs collected in soil samples from the Seychelle Islands. The new genus belongs to the family Trematuridae based on the shape of the corniculi, gnathosomal setae, tritosternum and chelicerae. Members of the new genus bear a preanal suture on the ventral shield, two pairs or more pairs of wide, robust and sword-like setae on the caudal part of the dorsal shield, very dense setation on the caudal area of the marginal shield and an incision on the anterior part of the dorsal shield.

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We describe a new species of mite in the genus Nenteria Oudemans, collected from the Red Palm Weevil, Rhynchophorus ferrugineus (Oliver) (Coleoptera: Curculionidae), at Bahariya Oasis, Egypt. Nenteria bahariyaensis n. sp.

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