Scientia Silvae Sinicae ›› 2010, Vol. 46 ›› Issue (5): 116-121.doi: 10.11707/j.1001-7488.20100519
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Zhuge Piaopiao;Luo Senlin;Wang Manqun;Zhang Guoan
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Abstract:
The morphology,ultrastructure and distribution of sensilla on the antennae,maxillary palp and labial palp of Batocera horsfieldi adults were observed with a scanning electron microscope.The insect has five types of antennal sensilla,that is, sensillum trichodea,s.basiconica (including five subtypes: BⅠ-BⅤ),s.cheatica (including two subtypes: CHⅠand CHⅡ),s.grooved peg,and s.cavitata-peg,respectively.Sexual dimorphism of antennae was found in B.horsfieldi,although the male body is smaller than the female,the length of the antennae of male is significantly longer than that of females;s.grooved peg was only found on the female antenna,and female antenna contained more s.BⅠ,s.BⅡ and s.ChⅡ than those of males,while the number of s.BⅢ was fewer than that of males;the average length of s.cheatica of female was significantly longer than that of males.Both maxillary palp and labial palp contained five types of sensilla,including s.trichodea,s.ChⅡ,s.twig basiconca,s.campullacea and s.aperture.The length of both maxillary palp and labial palp has no significantly difference between two sexes,while maxillary palp contained more s.twig basiconca and fewer s.campullacea than labial palp.The number of s.twig basiconca is more in female antennae,while s.campullacea is more in male.
Key words: Batocera horsfieldi, antenna, maxillary palp, labial palp, sensilla
Zhuge Piaopiao;Luo Senlin;Wang Manqun;Zhang Guoan. Observation of Sensilla on the Cephalic Appendages of Batocera horsfieldiwith Scanning Electron Microscope[J]. Scientia Silvae Sinicae, 2010, 46(5): 116-121.
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