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| Main Authors: | , , |
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| Format: | Recurso digital |
| Sprog: | |
| Udgivet: |
Zenodo
2019
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| Fag: | |
| Online adgang: | https://doi.org/10.5281/zenodo.5936005 |
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Indholdsfortegnelse:
- <p><b><i>Guimaraesiella</i> (<i>Cicchinella</i>) species groups</b></p><p>Based on the shape of the preantennal area, the detailed structure of the male genitalia, the thoracic and abdominal chaetotaxy and the female subgenital plate, we divide the subgenus <i>Guimaraesiella</i> (<i>Cicchinella</i>) into three different species groups. The three types of nodi of the distal mesosome of the male genitalia are as follows: (1) triangular nodi are marginal throughout most or all of their length, and typically protrude laterally to form angular extensions in the proximal end; (2) elongated nodi only reach the margin of the mesosome in their distal end, and do not form angular extensions; (3) arched nodi are submarginal throughout most of their length, but reach the mesosomal margin proximally, near the rugose nodi.</p><p>These species groups are erected based on shared morphological characters that make the identification of species easier but, ultimately, these groups may not be monophyletic.</p>