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Small White-Marmorated Longhorned Beetle

Updated: July 14, 2006
Monochamus sutor (Linnaeus)
Small White-Marmorated Longhorned Beetle Small White-Marmorated Longhorned Beetle
C.M.F. Pierce

The small white-marmorated longhorned beetle attacks species of fir, spruce, pine, and larch across its geographic range.


Commodities Affected:
Forestry and Natural Areas, Nursery, Ornamentals, and Turf



If introduced and established, and assuming that the small white-marmorated longhorned beetle behaves in the same manner in North America than it does in its native habitat, it would become another of a complex of insects involved in the decomposition of dead conifers. However, if this insect should arrive carrying the Eurasian the pinewood nematode, Bursaphelenchus mucronatus, the nematode could cause high levels of tree mortality in North American conifer forests, resulting in major ecological disruption.



The small white-marmorated longhorned beetle is not known to occur in Indiana.