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Megaselia scalaris (Diptera: Phoridae): an opportunistic endoparasitoid of the endangered Mexican redrump tarantula, Brachypelma vagans (Araneae: Theraphosidae)

Cita: Machkour, S.C., Dor, A.L.J., Hénaut, Y.L. 2015. Megaselia scalaris (Diptera: Phoridae): an opportunistic endoparasitoid of the endangered Mexican redrump tarantula, Brachypelma vagans (Araneae: Theraphosidae). Journal of Arachnology. 43 (1). http://dx.doi.org/10.1636/B14-28.1.
ISSN: 0161-8202

Periodo de realización: 2015/06/01 al 2015/01/01

Tipo: Nota científica con arbitraje

Resumen: "Despite the importance of tarantulas in the areas of medicine and veterinary science, there is very little information on parasitoid-tarantula interactions. The present study describes the case of an endangered tarantula, Brachypelma vagans, infested by an endoparasitoid in the field. Using DNA barcoding, we identified the parasitoid as the phorid Megaselia scalaris. With more than 500 fly larvae inside the host, this particular infestation can be considered as severe. The size range of the larvae indicates infestation by all three larval instars. We discuss the possible mechanism by which the parasitoid is attracted to the tarantula and make important recommendations regarding improvements in tarantula-rearing conditions. Finally, this case study exemplifies the efficiency of molecular technology for parasitoid identification."

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