Orius    
                                                                               

 

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Orius insidiosus

Orius insidiosus is a predatory bug 2mm[1 1/2 in] long. Adults are black and white, nymphs are colorless, then later become yellow to brown. All stages have red eyes, eggs are embedded in the plant tissue and are not very visible.

Orius is a generalist predator and feeds on thrips, spidermites, moth eggs, whiteflies and aphids.  Orius nymphs feed mainly on the larval stages of the thrips. Older nymphs and the adults feed on the 2 larval stages and on adult thrips.

Preventative:  0.25 per square metre/0.025 per square foot - at least 4 introductions

Curative:  1 - 5 per square metre/0.1 - 0.5 per square foot - once or twice in hot spots


Last modified: October 21, 2003