Bimaculate Longhorn Beetle

Bimaculate Longhorn Beetle

Molorchus bimaculatus

Daily sighting probability <5% · Rare
at Boston

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

9 Verified sightings at Boston
May Best month

About the Bimaculate Longhorn Beetle

Molorchus bimaculatus is a species of beetle in the family Cerambycidae. It was described by Thomas Say in 1824. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Boston 🇺🇸 United States
<5%
2 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Bimaculate Longhorn Beetle in Boston?

Rare

Under 5% of wildlife watchers report a Bimaculate Longhorn Beetle sighting in Boston on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 783rd most-seen of the 1200 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 Bimaculate Longhorn Beetle in Boston?

May

In that month about 10% of wildlife watchers report a Bimaculate Longhorn Beetle in Boston on a given day, against under 5% in June to April, the lowest months.

Is Boston the best place to see a Bimaculate Longhorn Beetle?

Yes

Of the 2 cities where we can rate Bimaculate Longhorn Beetle sightings, Boston has the highest daily chance: under 5%. Next come Washington (United States, under 5%).

Which relatives of the Bimaculate Longhorn Beetle live in Boston?

Same family: Cerambycidae

The closest relatives of the Bimaculate Longhorn Beetle that you can see in Boston (family Cerambycidae, Longhorn Beetles) are Locust Borer (about 20%), Red Milkweed Beetle (about 20%) and Banded Longhorn Beetle (about 10%), with each one's daily chance of a sighting.

Where does the Bimaculate Longhorn Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Bimaculate Longhorn Beetle is recorded against all the insects logged in Boston (9 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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