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Title: Surface ultrastrucure of larva and puparia of blow fly Hypopygiopsis tumrasvini Kurahashi (Diptera: Calliphoridae)
Authors: Sanit,S.
Keywords: Parasitology
Insect Science
Veterinary (all)
Infectious Diseases
Issue Date: 1-Dec-2012
Publisher: Springer Verlag
Abstract: Flies of the genus Hypopygiopsis are forensically important, as their larvae are found to associate with human corpses. In this study, the ultrastructure of larvae and puparia of Hypopygiopsis tumrasvini Kurahashi is presented using scanning electron microscopy (SEM). The larvae are vermiform-shaped, creamy white, and have a smooth integument. The pseudocephalon of larvae bears sensory structures, i.e., antenna, maxillary palpus, and ventral organ. Two tufts of fresh outgrowths (or cerri) were observed along the dorsal margin of the mouth opening of the first instar; whereas a strong mouth hook was apparent in the second and third instars. Keilin's organ, the sensory structure, was noticeable on the ventral surface of the thoracic segments in all instars. In the second and third instars, six conspicuous tubercles were present along the peripheral rims of the last abdominal segment. The puparia were relatively large, measuring 7.77-9.51 mm in length and 3.10-3.97 mm in width. At the latero-dorsal edge of the first abdominal segment, a cluster of ~125 bubble membranes was seen in young puparia; whereas a minute pupal respiratory horn was observed in old one. An SEM image revealed antler-like projections lined within a chamber of a broken pupal respiratory horn. Comparison on number of the bubble membranes of the other blow fly species was shown and the role of pupal respiratory horn compared with other dipterans was discussed. © Springer-Verlag 2012.
ISSN: 09320113
Appears in Collections:MED: Journal Articles

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