The main diet of the yellow garden spider consists of flying insects such as aphids, grasshoppers, wasps (some species), bees, and flies. They lie in wait, normally in a head-down position towards the center of their web, for an insect to get stuck in the sticky silk portion of the web.

Subsequently, question is, do writing spiders eat their mates? Most of these spiders the male is much smaller than the female, Female: 8-12 mm;and Male: 3.5-4.5 mm. and after mating the female will kill the male. Spiders are canabals and they eat each other to stay alive in the sac until they are strong enough to break through the sac walls.

In respect to this, what are writing spiders good for?

Writing spiders are orb-weavers, which means they make beautiful, elaborate webs in a circular formation. And not just one web, either. This scribbling spider builds and tears down its UV-light-reflective web every day! Female writing spiders try to build these webs in places where they wont be disturbed.

Is a writing spider poisonous?

If by “writing spider” you are referring to the species Argiope, rest assured that it is harmless to humans. It is neither poisonous (makes you sick if you eat it), nor particularly venomous (makes you sick if it bites you).