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Depressions of Dermestes maculatus (Coleoptera

Dermestidae) on Bones Could be Pupation Chambers

Zanetti, Noelia Inés, PhD*; Ferrero, Adriana Alicia, PhD*; Centeno, Néstor Daniel, PhD

The American Journal of Forensic Medicine and Pathology: June 2019 - Volume 40 - Issue 2 - p 122–124
doi: 10.1097/PAF.0000000000000449
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Dermestes maculatus DeGeer beetles feed and can leave marks on bones. This species is of medical, veterinary, and forensic importance. The aim of this work was to determine if the depressions produced on bones by these beetles could be product of pupation. We studied under controlled conditions the behavior of D. maculatus larvae maintained at 24°C ± 3°C, 52.7% average relative humidity, and a 12:12-hour light/dark cycle and fed on pig carcasses. Observations were made, and photographs were taken. The results indicated that depressions produced by D. maculatus were consequence of feeding or pupation. This is the first time that pupation chambers on bones are confirmed.

From the *Laboratorio de Invertebrados II, Instituto de Investigaciones Biológicas y Biomédicas del Sur (INBIOSUR; CONICET-UNS), Bahía Blanca; and

Laboratorio de Entomología Aplicada y Forense, Departamento de Ciencia y Técnica, Universidad Nacional de Quilmes, Bernal, Provincia de Buenos Aires, Argentina.

Manuscript received August 16, 2018; accepted October 12, 2018.

The authors report no conflicts of interest.

Reprints: Noelia Inés Zanetti, PhD, Laboratorio de Invertebrados II, Instituto de Investigaciones Biológicas y Biomédicas del Sur (INBIOSUR; CONICET-UNS), Bahía Blanca, Provincia de Buenos Aires, Argentina. E-mail: noeinesz@yahoo.com.ar.

© 2019 by Lippincott Williams & Wilkins.