Additional images from Mt Cuba

Armored scale are frequently some of the most difficult landscape pests to control.  Over the past several years Japanese maple scale has become more prevalent in landscapes and this insect pest feeds on many different hosts.  Included with this post are some images of Cornus florida with Japanese maple scale taken at Mount Cuba.  This insect pest has two generations a year for our area with eggs being found currently.  First generation crawlers should be out soon.  Scouting with double sided tape around branches with infestations is one way you can scout for crawler activity.  Other possible hosts include:  Acer, Chaenomeles, Cornus, Cotoneaster, Euonymus, Ilex, Prunus, Rosa, Syringa, Zelkova and many others.

Both images taken at Mount Cuba by Jimmy Testa

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