Yellow-Horned Flower Longhorn Beetle

Yellow-Horned Flower Longhorn Beetle

Strangalia luteicornis

Daily sighting probability <5% · Rare
at Washington

In 3 days ~10% in a week ~20%

53 Verified sightings at Washington
10 In 1 park From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

About the Yellow-Horned Flower Longhorn Beetle

Strangalia luteicornis is a species of flower longhorn in the family of beetles known as Cerambycidae. It is found in North America. It has been observed mating on Hydrangea arborescens and Saururus cernuus, with the female consuming pollen from the latter plant. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Shenandoah National Park 🇺🇸 United States
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Boston 🇺🇸 United States
~10%
2 Washington 🇺🇸 United States
<5%
3 New York City 🇺🇸 United States
<5%
4 Chicago 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Yellow-Horned Flower Longhorn Beetle in Washington?

Rare

Under 5% of wildlife watchers report a Yellow-Horned Flower Longhorn Beetle sighting in Washington on a given day, based on 53 verified sightings from GBIF citizen-science data. It is the 466th most-seen of the 1807 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Yellow-Horned Flower Longhorn Beetle in Washington?

June

In that month about 10% of wildlife watchers report a Yellow-Horned Flower Longhorn Beetle in Washington on a given day, against under 5% in July to May, the lowest months.

What time of day is best to see a Yellow-Horned Flower Longhorn Beetle?

Between 7 and 10 am

Across all the parks we cover, that three-hour window holds the most Yellow-Horned Flower Longhorn Beetle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Washington the best place to see a Yellow-Horned Flower Longhorn Beetle?

2nd of 4

Of the 4 cities where we can rate Yellow-Horned Flower Longhorn Beetle sightings, Washington ranks 2nd at under 5%. The best odds are in Boston (United States, about 10%).

Where does the Yellow-Horned Flower Longhorn Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Yellow-Horned Flower Longhorn Beetle is recorded against all the insects logged in Washington (53 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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