Wednesday, December 8, 2010
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Ghouls: Three new species appear in the Iberian Peninsula
A group of researchers at the Research Institute of Police Science University of Alcalá (IUICP) has discovered three new species of flies necrophagous the Iberian Peninsula, insects that flock to the bodies and could be useful as forensic indicators.
-one of them was believed extinct, belong to the family of piofílidos, feeding on corpses in advanced stages of decomposition (as most of the flies necrophagous come in the early stages of decomposition). For this behavior, these flies could provide information "potentially very useful in the estimates of the postmortem interval in police investigations."
The first of the species is "Prochyliza nigricornis", which became known in some European countries, whose findings have been published in the newsletter English Association of Entomology. Another kind is "Thyreophora cynophila" a very strange-looking fly and colorful, which was described in the late eighteenth century in Germany and later captured in France and Austria. It was considered completely extinct 160 years, but the college team has captured Madrid in the Sierra de Madrid.
is a species that feeds on corpses in very advanced stages of decomposition, preferably from the bone marrow in the skeletal remains, so it could provide forensic information that could give few insects. Its discovery has been published in the journal Systematic Entomology. "
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The third species, and that "perhaps has more impact" for police investigations, is "Piophila megastigmata" a moscaque so far only known from the Kruger Park, South Africa. Species is very similar to "Piophila casei, the cheese fly that causes damage to the food industry and is one of the most used in forensic entomology, the sources said.
is very likely that "Piophila megastigmata" has been introduced in Europe for some time and is present in several countries, where it could be being confused with 'Piophila casei' in some research.
Experts have warned that we must analyze in detail the aspects both biological species to avoid errors in identification and application as forensic indicators.
Investigators have captured plenty of copies of "Piophila megastigmata" both in natural forests in a suburban environment of Community of Madrid, so that the species may be fairly associated with the man. The discovery of this species has been published in the journal Medical and Veterinary Entomology. "
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