The external morphology of sensilla on maxillary and labial palpus of Periplaneta fuliginosa(Serville) was observed with scanning electron microscope.
利用扫描电子显微镜观察了黑胸大蠊Periplanetafuliginosa（Serville）成虫下颚须和下唇须上的感器形态。
Sensillar diversity of maxillary palpus is similar to the labial palpus except for grooved basiconic sensilla, and that the number of sensillum is different.
比较研究发现下颚须和下唇须上感器类型除了带槽锥形感器以外基本相似，只是数量上有区别。
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