中国媒介生物学及控制杂志

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陈氏污蝇幼虫形态描述(双翅目:麻蝇科)

张孟余; 吴新生   

  1. 河北医学院寄生虫学教研室 石家庄市050017; 甘肃省酒泉地区卫生防疫站
  • 出版日期:1990-08-20 发布日期:1990-08-20

Description of the Larva of Wohlfahrtia cheni Rohd.

Zhang Mengyu1;Wu Xinsheng2   

  1. 1Department of Parasitology,Hebei Medical College;2Sanitary & Anti-epidemic Station of Jiuquan Prefecture,Gansu Province
  • Online:1990-08-20 Published:1990-08-20

摘要: 三龄幼虫体长15~18mm,体表广布大型棘;前气门10~12个孔突,后气门环无内突,内缘呈弧形,无腹缘,后气门间距小于一后气门宽度的一半。一龄幼虫体长2.5~3.5mm,第5腹节以前各节的前缘棘带完整,第4~7腹节各节的后缘棘带完整;头咽骨大,色素重,口钩长,钩状部弯度大,齿骨大呈棒状,未与口钩基部分离。

关键词: 双翅目, 麻蝇科, 污蝇属, 陈氏污蝇, 幼虫

Abstract: This paper deals with the larva of Wohlfahrtia cheni Rohd., 1956, for the first time. The adult fly was collected from Subei County, Gansu Province, China. In a test tube the gravid female deposited the larvae. The detailed descriptions anl figures of the lst and 3rd instar larva are given in the paper.First instar: Thoracic segment 1 to abdominal segment 5 each bordered by a complete band of spines at the anterior margin. Abdominal segments 4 to 7 each bordered posteriorly by a complete band of spines. Cephalopharyngeal sclerite is large and heavily pigmented: dental sclerite not separated from basal part of mouth-hook.Third instar: The surface of thoracic segment 3 to abdominal segment 8 completely encircled with well developed knob-shaped microtubercles. Anterior spiracles: with 10 to 12 braches, openings of spiracles arranged in a row. Posterior spiracles: peritreme thin, poorly pigmented, without projection between slits.