Generic switch-over during ontogenesis in Dimorphacanthella gen. n. (Collembola, Isotomidae) with barcoding evidence

Authors: Potapov, Mikhail DOI: 10.3897/zookeys.73.839 Published: Jan. 1, 2010 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Anal spines · Topics: Collembola Taxonomy and Ecology Studies, Hemiptera Insect Studies, Invertebrate Taxonomy and Ecology

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A new genus Dimorphacanthella is established for Tetracanthella anommatos Chen and Yin, 1984 and Dimorphacanthella mediaseta sp. n. from China. The new genus exhibits an unusual metamorphosis: small juveniles, previously called Uzelia anommatos Yue & Yin, 1999 get the second pair of anal spines resulted from moulting and become “Tetracanthella”. Species identity of forms with two and four anal spines is proved by barcoding analysis. The derivation of anal spines is compared among generafour anal spines.

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