Anoplophora glabripennis

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Anoplophora glabripennis (click on image to enlarge it)
Source: Wikimedia Commons

Anoplophora glabripennis (Motschulsky, 1854) - (Asian longhorn beetle)

The beetle is a serious pest of poplar and other broad-leaf trees in its native Asia. In China, economic losses have been estimated at 1.5 billion US$, or about 12% of the losses for all forest pests. It was discovered in 1996 in North America where it attacks maple and other trees. Quarantine efforts are ongoing in the US to limit the spread of the beetle. It is further a major quarantine concern in other countries. Since 2001 it is recorded from Central Europe and eradication efforts are ongoing in several countries.

The beetle is polyphagous and has a host range of more than 40 hardwood species. Infested trees can be killed. Dispersal is apparently mainly through the transport of infested wood containing larvae. The beetle does not fly readily over long distances. Dispersal of 1-2 km within a season has been estimated. The adults feed on suckers and the bark of young shoots. The young larvae infests the cambium while the older larvae attack the heartwood and once mature pupate just under the bark.

Vernacular names
• Deutsch: Asiatischer Laubholzbockkäfer
• English: Asian longhorn beetle
poplar longhorn beetle
• Français: longicorne asiatique

The life cycle from egg to mature adult lasts 1-2 years and the larvae or pupae may overwinter. The adult has a 3-4 cm long body and antennae which may be double as long. It is black with white spots. Parts of the antennae and legs are blue. See also the closely related Anoplophora chinensis.

For a review see Haack et al., 2010.