Colonization of rabbit carcasses by drain fly larvae, psychoda sp. (Diptera: Psychodidae): The first report

Azmiera, NurulSW and Low, Van Lun and Heo, Chong Chin (2021) Colonization of rabbit carcasses by drain fly larvae, psychoda sp. (Diptera: Psychodidae): The first report. Acta Parasitologica, 66 (2). pp. 706-709. ISSN 1230-2821, DOI

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Introduction Psychoda sp. is often collected from patchy habitats such as sewers, drains and decomposing organic matters. The discovery of Psychoda sp. in forensic studies indicated that it might have noteworthy value in assisting death investigations. Purpose This study reports on the first finding of Psychoda larvae collected from decomposing rabbit carcasses placed in Cameron Highlands, Pahang, Malaysia. Methods The larvae were first observed on rabbit carcasses and were collected using tweezers and carefully preserved in 70% ethanol. They were subsequently mounted on microscopy slides using Hoyer's medium and identified as Psychoda sp. morphologically. The identification was also confirmed through a DNA barcoding analysis. Results Psychoda sp. larvae were collected on day-10 post-mortem where the rabbit carcasses were at the advanced decay stage of decomposition. The cytochrome c oxidase I (COI) gene sequences of the larvae had 90% similarity with the Psychoda spp. in the database. Conclusion The finding of these larvae on carrion may provide additional valuable insights into forensic entomology and may assist in death investigations.

Item Type: Article
Funders: Faculty of Medicine, Universiti Teknologi MARA, Selangor, Malaysia [600-IRMI/DANA-KCM-5/3/LESTARI (147/2017)] [600-IRMI 5/3/GIP (017/2018)], Higher Institution Centre of Excellence (HICoE) program, University of Malaya [MO002-2019]
Uncontrolled Keywords: Psychoda sp; Forensic entomology; Malaysia; Highland; Drain fly
Subjects: Q Science > QL Zoology
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Tropical Infectious Diseases Research and Education Centre
Depositing User: Ms Zaharah Ramly
Date Deposited: 04 Apr 2022 07:56
Last Modified: 04 Apr 2022 07:56

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