Yucca ( Yucca spp . ) shrubs and trees , with their daggerlike evergreen plant leaves , seem as though they should be safe from gadfly . When you are poked just touchinga yucca , it ’s punishing to ideate anything need to wipe out one . Well , surprise ! Some tough little pests like to munch on this repeated flora that thrives best in U.S. Department of Agriculture plant life hardiness zone 4 through 11 .
Mealy Bugs
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Mealy hemipteran look like little white masses of cotton and are found on the axils , where the folio connect to the stem of the industrial plant . They may also be found on the roots and lower open of the leaves . Mealy bugs have a waxy coating that ca-ca insect powder useless , but you plausibly do n’t desire those chemicals around your tyke anyhow . Using insecticidal goop , horticultural oil or a skillful blast of water takes care of the majority of them . exit the rest to natural predators and good worm such as green lacewing and parasitical white Anglo-Saxon Protestant .
Scales
Scales are unearthly little dirt ball ; they do n’t face like insect . They come out as punishing , round , dark-brown spots on leaves and stems and may look much like part of the plant because they glue themselves to their hosts . you could control scale insects in the same ways that you could hold in mealy bugs .
Thrips
Thrips are flyspeck , skinny louse that feed on yucca leaves , do them to curl . In a healthy plant life , thrip wo n’t do too much damage . If you feel the need to master them , you may apply the same recommendation as for assure mealy glitch .
Weevils
The Yucca Weevil ( Scyphophorus acupunctatus ) mainly assail the cane of the yucca works . If the botanical name acupunctatus makes you intend of acupuncture , it should because — like needles — weevil larvae burrow into the base of operations of the flower straw , kill the plant . The only handling is bar . Cut off damaged foliation and keep your yucca healthy so you could keep off weevil .
Mites
Yuccas are bothered by a particular mite called Tetranychus urticae , or two - spotted mites . Even if you have trouble seeing these midget , moving Lucy in the sky with diamonds on your industrial plant , you may find what appear to be a web under the leaf . These are best controlled by erect the humidity for the plant . Try spraying it with water supply regularly to wash away mite and webbing .
Animals
tunnel fauna such as ground squirrels , mice , hare and large number rats eat yucca plants if there is no other nutrient around . You may be able to control them by using fencing , live hole or poison bait , but keep poisons out of reach of your trivial I . In most cases , the leaves are only moderately damaged , which give up the plant to recover on its own , so you may not need to fall back to poisons if you are patient .
References
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