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. Author manuscript; available in PMC: 2012 Feb 12.
Published in final edited form as: Gen Comp Endocrinol. 2009 Jul 10;165(2):244–254. doi: 10.1016/j.ygcen.2009.07.006

Figure 3.

Figure 3

Failed 2nd to 3rd instar ecdysis phenotype of farnesoid (-) larvae. Some of the larvae expressing an RNAi that suppresses expression of HMGCR in the larval corpora allatal cells were individually reared and were to observed to partially ecdyse but fail to completely ecdyse to the 3rd instar. The most frequently observed phenotypes of these larvae were (Panel A) the splitting of the 2nd instar exoskeleton at the middle of the body but failure to remove the exoskeleton from either of the anterior or posterior ends, (Panel B) the 2nd instar mouthparts remaining caught in the 3rd instar mouthparts, and (Panel C) the posterior end of the 2nd instar exoskeleton remaining caught on the posterior end of the 3rd instar, causing the remainder of the cast 2nd instar exoskeleton (including 2nd instar mouthparts, arrow) to be ‘dragged along.’