This immature widow spider (Latrodectus hesperus)  has built her web across a harvester ant nest entrance where she can easily catch incoming and outgoing worker ants.

Hallelujah Junction, California, USA
This juvenile widow spider (Latrodectus hesperus) has set up a web over the opening of a harvester ant nest (Pogonomyrmex occidentalis).

Hallelujah Junction, California, USA
This immature widow spider (Latrodectus hesperus) has built her web across a harvester ant nest entrance where she can easily catch incoming and outgoing worker ants.

Hallelujah Junction, California, USA
This immature widow spider (Latrodectus hesperus)  has built her web across a harvester ant nest entrance where she can easily catch incoming and outgoing worker ants.

Hallelujah Junction, California, USA
This immature widow spider (Latrodectus hesperus) has built her web across a harvester ant nest entrance where she can easily catch incoming and outgoing worker ants.

Hallelujah Junction, California, USA
See photo in original gallery.
all images and text © Alex Wild 2001-2013