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Inicio Allergologia et Immunopathologia Protophormia terraenovae. A new allergenic species in amateur fishermen of Cacer...
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Vol. 37. Issue 2.
Pages 68-72 (April 2009)
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Vol. 37. Issue 2.
Pages 68-72 (April 2009)
DOI: 10.1016/S0301-0546(09)71107-3
Protophormia terraenovae. A new allergenic species in amateur fishermen of Caceres, Spain
Sergio Porcel Carreñoa,
Corresponding author

Corresponding author.
, Fernando Pineda de la Losab, Eva Frontera Carriónc, Elena Rodríguez Martína, Alfonso Ramos Cantariñod, Ana Sánchez Gonzáleze, Ana Rodríguez Trabadoa, Soledad Jiménez Timóna, Manuela Alvarado Arenasa, Víctor Medina Velascoa, María Rodríguez Martína, Javier Hernández Arbeizaa
a Sección Alergología, Complejo Hospitalario de Cáceres, Cáceres, Spain
b R+D+I Department, Diater Laboratorios, S.A., Spain
c Departamento de Parasitología, Facultad de Veterinaria, Universidad de Extremadura, Spain
d Departamento de Matemáticas, Universidad de Extremadura, Spain
e Centro de Salud Alcántara, Area de Salud de Cáceres, Spain
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Tables (2)
Table I. Clinical data and immunological study of symptomatic patients.
Table II. Summary of the immunologic data in the 72 fishermen
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Asticot maggot (Blowfly, Calliphoridae family) is the most important live bait used for angling in our country. Prevalence of allergy to live fish bait in occupationally exposed workers has been described. The purpose of this study was to determine the prevalence of asticot allergy in amateur fishermen and the identification of marketed asticot species in Cáceres, Spain.

Materials and Methods

Seventy-two randomised selected patients (Angler's Society of Cáceres) completed a questionnaire about fishing habits and allergic symptoms related with live bait handling. Skin prick test (SPT) with local asticot and common earthworm extracts were performed. Serum IgE levels to imported species (Protophormia terraenovae, Calliphora vomitoria, Lucilia sericata, Lumbricus terrestris) were measured. Local asticot and common earthworm samples were obtained for taxonomic identification. Data were analysed using the SPSS 12.0 software.


Five patients (7 %) reported allergic symptoms caused by asticot maggots. All of them were positive for SPT to asticot and specific IgE to P. terraenovae. Sensitisation to P. terraenovae was found in 40 patients (58.8 %). No associated factors for asticot allergy were observed. Larvae and adult flies of local asticot samples were identified as P. terraenovae.


Commercially available asticot, in Cáceres, is composed by P. terraenovae larvae (Diptera. Calliphoridae). A 7 % prevalence of P. terraenovae allergy in amateur fishermen of Cáceres was obtained. The allergenic potential of P. terraenovae seems to be greater than that of other blowflies and L. terrestris. The SPT with P. terraenovae extract is a very sensitive and specific technique in the diagnosis of live bait allergy in fishermen.

Protophormia terraenovae
Fish bait
Fly larvae


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