Longhorn beetle Chlorophorus sp., stem borer of Acacia mangium in Luong Son district, Hoa Binh province
Keywords:
Cerambycidae, Chlorophorus sp, Acacia mangium, stem borerAbstract
Four year old Acacia mangium plantation in Luong Son district, Hoa Binh province are infested by a longhorn beetle causing severe impact on growth, productivity and wood quality. The longhorn beetle is identified as Chlorophorus sp., (genus Chlorophus, family Cerambycidae, order Coleoptera). The female beetle ranges from 10 to 15mm in length, male
body 8 - 12mm. There are two horizontal black stripes on the wings dividing the wings into 3 parts, egg is opalescence and has elongated shape; larvae’s average length is 12.5m and their average width is 2.5mm. Pupa is first milky white and it then turns into opalescence with average length of
13mm and width of 3mm. Young larvae make tunnels in the inner bark of trunks and then bore into the sapwood at the final instar for pupating. This species is a new record associated with Acacia mangium plantations in Luong Son district, Hoa Binh province and has the potential to cause
serious losses to the Acacia mangium plantation sector in Vietnam.
References
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