Descripteur : Nature of the ridges

The ridges are cuticular lines, with no chitinoïd internal support.

In Heligmonellinae, the ridges are always longitudinal whereas they can also be oblique in other taxa.
In addition, the ridges cancontinuous over the entire length ofthe body or discontinuous.

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Nature of the ridges.


Continuous ridges


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Discontinuous ridges


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Longitudinal ridges


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Oblique ridges


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