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Lyctus planicollis
''Lyctus planicollis'' is a wood-boring beetle in the family Bostrichidae (formerly in the family Lyctidae, which is now a subfamily of Bostrichidae), commonly known as the southern lyctus beetle or lyctid powderpost beetle.〔(Texas AgriLife Extension )〕 It is a serious pest of hardwoods including ash, hickory, oak, maple and mahogany and can infest many products in the home including hardwood flooring and structural timbers, plywood, furniture, tool handles, picture frames, baskets and ladders. Timber can be infested in one location and then be transported large distances by ship, after which the beetles can emerge and spread the infestation to new areas.〔(University of Florida )〕
==Description==
The adult beetle ranges from four to six millimetres in length and is a dark brownish-black. The head is prominent and is not covered by the pronotum. The antennae have eleven segments, the end two being broadened giving a club-like effect. The body is elongated and slightly flattened with the pronotum wider than it is long. The elytra are ridged longitudinally, with double rows of small puncture marks between the ridges. The body is covered by a sparse, short yellowish down.〔〔(Forestry images )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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