Potrditev prisotnosti plenilske hržice Feltiella acarisuga (Vallot, 1827) in plenilskega kratkokrilca Oligota oviformis Casey, 1893 na navadni pršici (Tetranychus urticae Koch, 1836) v Sloveniji

Katarina KOS, Franci Aco CELAR

Povzetek


Navadna pršica, Tetranychus urticae C. L. Koch, 1836 je eden najpomembnejših škodljivcev zavarovanih prostorov pri nas in v svetu. Zaradi svoje polifagnosti in hitrega razmnoževanja so populacije pršic velike, zato ima tudi veliko naravnih sovražnikov, ki jih lahko uporabimo v biotičnem varstvu proti temu škodljivcu. Poleg številnih plenilskih pršic (Phytoseiulus persimilis Athias-Henriot, 1957, Amblyseius swirskii Athias-Henriot, 1962,…) je izredno uspešen plenilec navadne pršice tudi plenilska hržica Feltiella acarisuga (Vallot, 1827), ki smo jo v letu 2017 množično zasledili v rastlinjaku Biotehniške fakultete v Ljubljani na rastlinah jajčevca. Poleg plenilske hržice smo zaznali tudi veliko število plenilskih hroščev kratkokrilcev in njihovih ličink iz družine Staphylinidae, vrsta Oligota oviformis Casey, 1893 Vrsto F. acarisuga se lahko tudi uvrsti na seznam domorodnih vrst organizmov in se jo uporablja v biotičnem varstvu, saj je v tujini že vrsto let med vodilnimi organizmi za varstvo gojenih rastlin pred pršicami.


Ključne besede


biotično varstvo; Feltiella acarisuga; Oligota oviformis; Tetranychus urticae; zavarovani prostor

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2018.111.1.13

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