First record of Megaselia abdita (Schmitz, 1959) (Diptera: Phoridae) infestation in captive tarantulas (Araneae: Theraphosidae

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  First record of Megaselia abdita (Schmitz, 1959) (Diptera: Phoridae) infestation in captive tarantulas (Araneae: Theraphosidae Abstract Flies of the genus Megaselia Rondani, 1856 exhibit exceptional ecological flexibility, with certain species acting as facultative parasites. This study presents the first documented cases of Megaselia abdita (Schmitz, 1959) infesting captive tarantulas (Araneae: Theraphosidae, Ceratogyrus darlingi Pocock, 1897 and Psalmopoeus irminia Saager, 1994) in terrarium settings. Our observations demonstrate that M . abdita colonise artificial habitats and exploit spider hosts similarly to Megaselia scalaris . Citation: Szymański, D.M., Szymański, D., Kłonowski, P. (2026). First record of Megaselia abdita (Schmitz, 1959) (Diptera: Phoridae) infestation in captive tarantulas (Araneae: Theraphosidae). Dipteron, 42, 25-29. https://doi.org/10.5281/zenodo.23137389

A New Species of Scorpio from Saudi Arabia (Scorpiones: Scorpionidae)

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A New Species of Scorpio from Saudi Arabia (Scorpiones: Scorpionidae) 

Abstract

A new species of Scorpio Linnaeus, 1758 is described from Al Ula Governorate, Al Madinah Province, Saudi Arabia. Scorpio furvus sp. nov. is distinguished from closely related congeners, including S. fuscus, S. kruglovi, S. palmatus, S. jordanensis, and S. yemenensis, by a unique combination of morphological characters notably the granulation pattern of the pedipalp chela, metasomal proportions, pectinal structure and length, and overall dark coloration. Morphometric comparisons further support its distinct status. The discovery of this species highlights the underestimated diversity of the genus Scorpio in the Arabian Peninsula and reinforces the view that the Scorpio maurus complex comprises multiple geographically restricted taxa requiring continued integrative taxonomic investigation.

Aloufi, A., Afifeh, B. A., Al-Saraireh, M., & Amr, Z. S. (2026). A New Species of Scorpio from Saudi Arabia (Scorpiones: Scorpionidae). Taxonomy, 6(2). https://doi.org/10.3390/taxonomy6020026