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。
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.
出处
《中国媒介生物学及控制杂志》
CAS
CSCD
1990年第4期209-210,共2页
Chinese Journal of Vector Biology and Control
关键词
双翅目
麻蝇科
污蝇属
陈氏污蝇
Diptera Sarcophagidae Wohlfahrtia Wohlfahrtia cheni Larva
