Dinocras cephalotes
| Dinocras cephalotes | ||||||||||||
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Dinocras cephalotes from: British Entomology by John Curtis , around 1840. |
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| Scientific name | ||||||||||||
| Dinocras cephalotes | ||||||||||||
| ( Curtis , 1827) |
Dinocras cephalotes is aspecies of stonefly .
Characteristics of the larvae
The body becomes up to 30 millimeters long and is strongly flattened. It is colored dark brown. There is a light mark on the dorsal side. Each abdominal entergite has two bright small spots. Tracheal gills are found on both sides of the pleuras before and after each leg and between the cerci . The tracheal gills consist of whitish tufts of branched threads. In male larvae, the wing sheaths have receded. (Male adults only have short wings.) The legs are strong. There are bristle edges on the femur and tibia . The first and second segments of the tarsi are the same length. The third tarsal link is three times as long as the first and second combined.
Way of life
The larvae of the species are found in running waters, especially in streams and small rivers. They feed predatory. The generation period is three years.
Occurrence
The distribution area covers all of Europe.
supporting documents
- Herbert W. Ludwig: Animals and plants of our waters . BLV Verlagsgesellschaft, Munich 2003, ISBN 3-405-16487-7 .