A Technical Report from The Bartlett Tree Research Laboratories

Boxwood leafminer (Monarthropalpus flavus Schrank) came to North America in the 1800's with the introduction of boxwood (Buxus spp.) to the continent. Considered the most serious insect pest of boxwood, the insect occurs essentially wherever boxwood are planted and all boxwood varieties are attacked. Boxwood leafminer is a fly (order Diptera) of the family Cecidomyiidae, a fly family commonly known as gall midges or gall gnats, and only has one generation per year. Preventative and therapeutic treatments are available to aid in the management of boxwood leafminer.

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