Thats easy! Red back spiders are called 'red back spiders because they have a red (or sometimes dark orange) stripe on their back. they sometimes have a diamond slightly below that stripe aswell.
red back spiders eat flies that come from their web
Tall
July
by humping
what are red back appearances
Redback, found in Australia
Yes
not unless they have red on their back
sometimes
Australia
what are red back appearances