Craesus septentrionalis


    The head, thorax and upper body of the adult sawfly is black, the lower half of the body is reddish brown. The legs are distinctive being broader nearer to the feet than above.


    Usually seen as larvae feeding on the leaves various deciduous trees

    When to see it

    Adults can be seen during the summer months.

    Life History

    The larvae are usually seen feeding in groups from late August to October and have a black head with a yellow collar. The body is a greyish green with rows of quite large, circular black spots running the length of the body.

    UK Status

    Fairly frequent in England, most records coming from the south.

    VC55 Status

    Fairly common in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map