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Scientia Silvae Sinicae ›› 2013, Vol. 49 ›› Issue (9): 107-111.

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Ultrastructures of the Antennal Sensilla in Algedomia coclesalis

Liu Man1,2, Ren Chunguang2, Yang Maofa1, Yao Songlin3, Xu Siyuan1   

  1. 1. Guizhou Key Laboratory for Plant Pest Management of Mountainous Region Institute of Entomology, Guizhou University Guiyang 550025;
    2. Guizhou Institute of Biology Guiyang 550009;
    3. Institute of Mountain Resources of Guizhou Province Guiyang 550001
  • Received:2012-08-31 Revised:2013-05-17 Online:2013-09-25 Published:2013-09-19

Abstract:

Algedomia coclesalis is one of the serious pest moths on bamboo. Antennal sensilla of A. coclesalis were observed with a scanning electron microscopy (SEM). The results showed that the antennae of both adult female and male were filamentous and consisted of scape, pedicel and flagellar segments. The flagellar segment was consisted of 74-80 subsegments. Seven types of sensilla were found on the antennae of both female and male, i.e., trichodea(ⅠandⅡ), cheatica(ⅠandⅡ), coeloconica(ⅠandⅡ), auricillica(ⅠandⅡ), styloconica(ⅠandⅡ), squamiformia, and Böhm bristles(ⅠandⅡ). The trichodea was the most abundant, followed by coeloconica and auricillica. The morphology of sensilla was different between male and female. CoeloconicaⅡand auriculateaⅡ are found only on male, the other types are observed on both genders, although the number of trichodea in male was larger than in female. The shape, distribution, and difference of sensilla between male and female were described. Sensilla difference between A. coclesalis and other moths was discussed.

Key words: Pyralidae, Algedomia coclesalis, antenna, sensilla, scanning electron microscopy

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