The dorsal surface of the body is marked by a dark median mid-dorsal line (dorsal blood vessel) along the body's longitudinal axis.
La superficie dorsale del corpo รจ contrassegnata da una linea dorsale mediana scura lungo l'asse longitudinale del corpo.
| Text | the dorsal surface of the body is marked by a dark median mid dorsal line (dorsal blood vessel) along the longitudinal axis of the body |
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