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The arrow shows a Lucilia larva in left nostril of 69 year old man in hospital
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The companion of patient unexpectedly observed some tiny, white wormlike living creatures which were motile and active in left nostril of him on the third day after admission (Fig. 1).The wormlike creatures were separated by a forceps and transferred to the Department of Parasitology, Babol Branch Islamic Azad University, for identification and examination.
The posterior spiracle of Lucilia sericata instar
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Moreover, it can be recognizable from L. cuprina instars which is an identical genus by considering that in anterior spiracle of L. sericata larva, 7-10 lobes can be observed in comparison with 4-5 lobes in L. cuprina which possesses a complete peritreme (Fig. 2).