Document Detail

The immature stages of the necrophagous fly, Prochyliza nigrimana: comparison with Piophila casei and medicolegal considerations (Diptera: Piophilidae).
MedLine Citation:
PMID:  22576855     Owner:  NLM     Status:  Publisher    
Flies of family Piophilidae have been recorded as major pests in the food industry, as agents of human myiasis and typically associated with carcasses in advanced stages of decay, being thus important in forensic entomology. Despite that the cosmopolitan species Piophila casei is the most cited in entomological studies, many other piophilid species develop on both carrion and animal products from the food industry. One of those species is Prochyliza nigrimana, widely distributed throughout the Holarctic and Neotropical regions. In this study, the morphological features of the immature stages of P. nigrimana are described for the first time and compared with those of P. casei. The third-instar larvae and puparium of P. nigrimana are significantly shorter than those of P. casei; the contrary pattern is observed in egg length. The number and arrangement of the lobes of anterior spiracles, which had been used as a distinctive character of P. casei in some keys, are the same in both species. Morphological features of the cephaloskeleton (such as the general shape and the distance between the tips and the base of the mouth hooks/base of the mouth hooks ratio), the arrangement of anal segment in third-instar larvae and the appearance of the ventral creeping welts in the puparium are the main characters allowing for identification of both species.
Daniel Martín-Vega; Arturo Baz; Luisa M Díaz-Aranda
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-11
Journal Detail:
Title:  Parasitology research     Volume:  -     ISSN:  1432-1955     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703571     Medline TA:  Parasitol Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Departamento de Zoología y Antropología Física, Universidad de Alcalá, 28870, Alcalá de Henares, Madrid, Spain,
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