Black Widow Spider and assorted invertebrates

Scientific Name: Latrodectus mactans (Northern Black Widow)

Category: other

Black Widow Spider and assorted invertebrates

Brief Description

A collection of various invertebrates, including a black widow spider, cockroach, slug, and woodlouse, likely gathered for study or as prey.

Characteristics

The black widow is identified by its shiny black body and a characteristic red hourglass marking on the underside of the abdomen. Other subjects include a large brown cockroach and a dark terrestrial slug.

Habitat

Temperate and tropical regions; often found in dark, sheltered areas like garages, woodpiles, and crawl spaces.

When to Find It

Most active during warmer months; often found indoors in fall as temperatures drop.

Conservation Status

N/A

Ecological Role

Spiders are vital predators that control insect populations; slugs and woodlice contribute to decomposition and nutrient cycling.

Easily Confused With

False black widows (Steatoda grossa) look similar but lack the red hourglass and have a more purplish-brown hue.

Observation Tips

Exercise extreme caution around black widow spiders as their bite is venomous; use tools like the blue tweezers shown to handle specimens safely.

Interesting Facts

The venom of a black widow spider is reported to be 15 times stronger than that of a rattlesnake, though they rarely bite humans unless disturbed.