Each season, female brown widow spiders lay several egg sacs, each with 120 to 150 eggs. The egg sacs are distinctive, with silky spikes projecting from the surface, much like a thistle.

Female black widow spiders are well known for their red hourglass, found underneath their abdomens, while brown recluses do ...

Brown widow spiders are gray to brown in color with white and black markings on the top surface of their bulbous abdomens. The “hourglass” marking on the under surface of the abdomen is yellow ...

According to the Indiana Department of National Resources, Indiana has about 400 known species of spiders, but only two can seriously injure humans: The Black Widow and the Brown Recluse.

True to their name, female Black Widow spiders have shiny black bodies and a red hourglass shape on the underside of their abdomen. Females are traditionally larger than males, ... Brown Recluse.

True to their name, female Black Widow spiders have shiny black bodies and a red hourglass shape on the underside of their abdomen. Females are traditionally larger than males, ... Brown Recluse.

True to their name, female Black Widow spiders have shiny black bodies and a red hourglass shape on the underside of their abdomen. Females are traditionally larger than males, ... Brown Recluse.

Brown widow spiders are gray to brown in color with white and black markings on the top surface of their bulbous abdomens. The “hourglass” marking on the under surface of the abdomen is yellow ...

True to their name, female Black Widow spiders have shiny black bodies and a red hourglass shape on the underside of their abdomen. Females are traditionally larger than males, their bodies can ...