2 Types of Black Widows in Missouri

2 types of black widows have a verified observation record in Missouri. The most frequently recorded are Northern Black Widow and Southern Black Widow. Here is the full list, ranked by how often each is reported on iNaturalist.

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2 types of black widows have a verified observation record in Missouri. The most frequently recorded are Northern Black Widow and Southern Black Widow. Here is the full list, ranked by how often each is reported on iNaturalist.

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Real sighting data, source iNaturalist

709 verified observations on iNaturalist of black widow have been recorded in Missouri, most often in May, June, September.

When black widow are recorded in Missouri

Verified species, source iNaturalist

2 types of black widows recorded in Missouri

2 black widow species have a verified observation record in Missouri, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

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    1

    Northern Black Widow

    Latrodectus variolus

    371 records
  • No openly licensed photo yet
    2

    Southern Black Widow

    Latrodectus mactans

    242 records

Plus 2 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations.

The Northern Black Widow (Latrodectus variolus) is the most commonly recorded, with 371 verified observations, about 61% of all black widows reported in Missouri. If you spot a black widow here, it is statistically most likely to be this one.