X-ray microtomography (microCT) of male genitalia of Nothybus kuznetsovorum (Nothybidae) and Cothornobata sp. (Micropezidae)

Authors: Galinskaya, Tatiana DOI: 10.3897/zookeys.744.22347 Published: Jan. 1, 2018 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Cothornobata · Topics: Diptera species taxonomy and behavior, Fossil Insects in Amber, Lepidoptera: Biology and Taxonomy

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The results of manual dissection of the musculature of the male genitalia in Nothybus kuznetsovorum are fully confirmed by the modern methods of Micro-CT. A comparative analysis of Neria commutata and Cothornobata sp. shows that an increase in the flexion in the genitalia of males and the displacement of syntergosternite VII to the ventral side in Cothornobata sp. caused the disappearance of the muscles ITM6–7r and ITM7–8r. In addition, this increase in flexion apparently caused the fusion of the M18 muscles into one bundle. The muscle ISM5-6c goes on to moving the second segment of the forcipate appendages of sternite V.

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