A New Species of Tarsonemus (Acarina: Tarsonemidae), Predaceous on Tetranychoid Mite Eggs

Author: SMILEY ROBERT L.   LANDWEHR VAL R.  

Publisher: Entomological Society of America

ISSN: 1938-2901

Source: Annals of the Entomological Society of America, Vol.69, Iss.6, 1976-09, pp. : 1065-1072

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Abstract

A new species of tarsonemid mite, Tarsonemus destructor, collected from Monterey pine, Pinus radiata D. Don, is described and illustrated. The adults of this mite are predaceous on eggs of the false spider mite, Brevipalpus pini Baker and the spider mites, Oligonychus subnudus (McGregor), O. milleri (McGregor) and O. cunliffei Pritchard and Baker. Tarsonemus destructor was most abundant on the current season's foliage, and most individuals occurred in the fall. Numbers of T. destructor appeared to be too low to regulate populations of B. pini and O. subnudus.

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