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Description of Castianeira badia
Female 7.5 to 9 mm.
Abdomen black with a distinctive marking of horizontal white lines and a white median band which extends to the centre of the abdomen.
Carapace black with a white median band and a thin white band around.
Legs dark brown with almost black femora and a few white spots.
Palps dark brown.
Male 6.5 to 8.5 mm.
Markings and colours almost identical to the female. Has a scutum that covers about two-thirds of the abdomen.
Under and between stones in warm areas with low vegetation.
In Europe only in Spain and Portugal.
Spring, summer and autumn. Adult males not in summer.