The ultrastructure and distribution of main antennal sensilla of Xylotrechus rusticus
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Key Words：Cerambycidea, Xylotrechus rusticus， grey tiger longicorn， antennal sensilla， ultrastructure
Abstract：The structure, number and distribution of antennal sensilla of the grey tiger longicorn (Xylotrechus rusticus L.) were observed with scanning electron microscope. The results indicated that there were 7 type and 16 kind of sensilla, including of 4 kinds of sensilla basiconicas, 1 kind of grooved peg sensilla, 5 kinds of sensilla chaeticas, 1 kind of sensilla gemmiformium, 1 kind of sensilla ensiforms, 1 kind of hook shaped sensilla and 3 kinds of finger sensillas. The potential functions of sensilla were discussed on the basis of its distribution, shape character as well as the correlative references.