cuticle morphology variant dauer body morphology variant dauer cuticle variant Any variation in the progression of the formation of the rigid external coating (which is secreted by the hypodermis, seam and some interfacial epithelial cells) during the dauer larva stage, compared to control animals (Wormatlas). The dauer larval stage is a developmentally arrested larval stage that is specialized for survival under harsh, or otherwise unfavorable environmental conditions. C_elegans_phenotype_ontology dauer cuticle abnormal WBPhenotype:0001551