redback

noun
(Latin) latrodectus hasselti (Termcat do not suggest a Catalan equivalent but rather suggest use of the Latin)
<catnote>Aranya australiana verinosa</catnote>
syn - redback spider

photo
http://www.flickr.com/photos/mikeblogs/351543444/

[Shudder!] This looks just like the one I found in the kids' sandbox - with the kids actually in it - a few weeks ago. Of course, it looked much different after I stomped on it repeatedly whilst screaming hysterically