Bursaphelenchus fungivorus (Nematoda: Aphelenchida) associated with Orthotomicus erosus (Coleoptera: Scolitydae) in Spain |
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| Authors: | M. Arias L. Robertson A. Garcia‐Alvarez S. C. Arcos M. Escuer R. Sanz J. P. Mansilla |
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| Affiliation: | 1. Dpto Agroecología, CCMA, CSIC, Serrano 115 dpdo, 28006 Madrid. E‐mail: maria.arias@ccma.csic.es;2. Estación Fitopatológica do Areeiro, Diputación Provincial de Pontevedra, Subida a la Robreda s/n, Lourizán, Pontevedra, Spain |
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| Abstract: | A survey of the xylophagous insects in the conifer forests, mainly Pinus pinaster woodlands, in Spain was carried out in order to study the phoretic vectors of nematodes of the genus Bursaphelenchus. Fifteen environmental sites were characterized on the bases of altitude, rainfall, temperature and conifer species. Specimens of Orthotomicus erosus (n = 3476) were captured of which 59% carried nematodes under their elytrous, most of them were aphelenchid fungal‐feeding nematodes, but B. fungivorus was found on the beetles from Las Cumbres, Villa Blanca, (Huelva), southern Spain, which represent the first record of O. erosus as vector of a Bursaphelenchus sp. The nematode is characterized by morphometric and biomolecular techniques and distribution and ecology of the insect is discussed. |
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