Resumen

MARTIN,, D.M et al. Primer registro de Tetranycopsis horridus (Canestrini & Fanzago) en Argentina asociado al avellano (Corylus avellana). RIA. Rev. investig. agropecu. [online]. 2016, vol.42, n.1, pp.41-46. ISSN 1669-2314.

In Argentina, information about the harmful agents present on that crop is scarce. In the 2014-2015 period, the National Agricultural Technology Institute conducted monitoring in commercial plantations located in the Valle Inferior of Río Negro. An abnormal development of the sprouting was observed in one of those monitoring. In the field, when we examining the affected plants we relationship the symptoms of feeding activity found to a mite. Samples were taken and sent to the Reference Laboratory of National Health Service for theirs analysis. Twenty three microscopic specimens were prepared corresponding to different stages of development. Females of the species were identified by the use of available taxonomic keys and bibliography. The aim of this paper is to report, for the first time, this species from Argentina over C. avellana; also we provide information on the pest to facilitate the recognition of their symptoms and taxonomic identification.

Palabras clave : Mite; Bryobiinae; Río Negro.

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