Southern Black Widow

Latrodectus mactans

A shy, web-spinning spider known for its glossy black body and red hourglass; helps control insect populations in sheltered habitats.

Species Data

First Recorded: June 22, 2025

Last Observed: October 30, 2025

Est. Population: 9

Record Created: June 30, 2025

Realm: Terrestrial

Main Biome: Lakeshore, Grassland

Trophic Role: Secondary Consumer (Carnivore)

Feeding Niche: Predator of small insects

Known Predators: None Known

Currently: Successfully

Population Size: 9

First Recorded: June 22, 2025

Reproduction Notes: 1 entries

Status: Removed Species

Realm: Terrestrial

Main Biome: Lakeshore, Grassland

Population Size: 9

Conservation Notes: 1 entries

Total Comments: 1

Total Replies: 1

Latest Comment: July 13, 2025

Species Page: Southern Black Widow

General Notes

[11/2/2025 9:03:27 AM]

Two known individuals are still within miniBIOTA. These two are being tracked for now.

The black widow made it's home in the tunnel connecting the grassland biome and the lakeshore biome [IMG:species_f762b2efc7274a2da5a380f82d214a64.png]

[10/30/2025 4:08:38 PM]

I've begun to remove this species from miniBIOTA. As of today, there are 2 known individuals still needing removal.

No ecological notes recorded yet

Ecological observations and notes will appear here once added.

Reproduction Notes

Came in with a sac of eggs that hatched. Then the spider laid a second egg sac

Conservation Notes

Due to the unknown status of the offspring reaching adulthood, this species is considered vulnerable.

Visitor Comments

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Comments (2)

Jay

July 13, 2025 at 01:43 AM

I just saw your moving video and you were talking the website so I decided to come check it out it looks very good so far and I hope to see more things added to the species list

Zach

July 17, 2025 at 01:37 PM

Same man! this is super impressive actually, makes me wish i could help out in anyway….