Hudsonian Ladybird

Mulsantina hudsonica · Order: Coleoptera · Family: Coccinellidae

Also called: Hudsonian Lady Beetle

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Hudsonian Ladybird
Photo: Meghan Cassidy, CC BY-SA

The Hudsonian ladybird is a small yellow beetle about 3.5 to 5 mm long, with distinctive black markings on its head, pronotum, and wing covers. It lives on conifers and willow across North America from Labrador to North Carolina and west to British Columbia, where it preys on the balsam woolly adelgid.

Source: Wikipedia

How to recognize it

Adults are yellow with two black lines on the head. The pronotum shows black spots that form an M-shape. Each elytron has a central brown stripe and two black spots.

Source: Wikipedia

Size

The beetle measures between 3.5 and 5 mm in length.

Source: Wikipedia

Where it lives

It has been recorded on various conifers and on willow.

Source: Wikipedia

What it eats

It preys on the balsam woolly adelgid (Adelges piceae).

Source: Wikipedia

Where it comes from

It is native to North America, ranging from Labrador to North Carolina and west to British Columbia.

Source: Wikipedia

Where it is found in the US

Recorded in 12 of 51 states and DC. Most records: Minnesota, Vermont, New York, Maine, Michigan, Alaska, Wisconsin, New Hampshire.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: native in North America; native in United States; native in Canada. Source: iNaturalist

Months it is reported in the US

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Source: GBIF

More photos

Questions people ask

What does the Hudsonian ladybird eat?

It feeds on the balsam woolly adelgid.

Source: Wikipedia

Where can I find this beetle?

Look for it on conifers and willow throughout much of North America, from eastern Canada down to the Carolinas and west to British Columbia.

Source: Wikipedia

Same family (Coccinellidae)

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Mulsantina_hudsonica

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-29 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-29.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.