Her ninth abdominal segment is long and dark reddish - brown , sometimes partly tending toward black .
The female is slightly larger than the male , She has generally similar colour and markings , though can be slightly paler in some areas .
female 's ninth abdominal segment is long and dark reddish - brown , sometimes partly tending toward black .
The female is slightly larger than the male , She has generally similar colour and markings , though can be slightly paler in some areas .