Greene's Giant Ichneumonid Wasp
Greene's Giant Ichneumonid Wasp

Greene's Giant Ichneumonid Wasp

Megarhyssa greenei

Daily sighting probability <5% · Rare
at Toronto

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

38 Verified sightings at Toronto
June Best month

About the Greene's Giant Ichneumonid Wasp

Megarhyssa greenei, also known as Greene's giant ichneumonid wasp, is a species of large ichneumon wasp. It is known from the United States and Canada. 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 Toronto 🇨🇦 Canada
<5%
2 Montreal 🇨🇦 Canada
<5%
3 Boston 🇺🇸 United States
<5%
4 Portland 🇺🇸 United States
<5%
5 Washington 🇺🇸 United States
<5%
6 New York City 🇺🇸 United States
<5%
7 Chicago 🇺🇸 United States
<5%

Closest Relatives at Toronto

Long-Tailed Giant Ichneumonid Wasp

Long-Tailed Giant Ichneumonid Wasp

☀️ Diurnal Insect

Megarhyssa macrura

Daily sighting probability <5% · Rare
Black Giant Ichneumonid Wasp

Black Giant Ichneumonid Wasp

☀️ Diurnal Insect

Megarhyssa atrata

Daily sighting probability <5% · Rare
Theronia hilaris

Theronia hilaris

Insect

Theronia hilaris

Daily sighting probability <5% · Rare
Therion circumflexum

Therion circumflexum

Insect

Therion circumflexum

Daily sighting probability <5% · Rare
Pimpla pedalis

Pimpla pedalis

Insect

Pimpla pedalis

Daily sighting probability <5% · Rare
Dolichomitus irritator

Dolichomitus irritator

Insect

Dolichomitus irritator

Daily sighting probability <5% · Rare
Itoplectis conquisitor

Itoplectis conquisitor

Insect

Itoplectis conquisitor

Daily sighting probability <5% · Rare
Arotes amoenus

Arotes amoenus

Insect

Arotes amoenus

Daily sighting probability <5% · Rare
Ischnus inquisitorius

Ischnus inquisitorius

Insect

Ischnus inquisitorius

Daily sighting probability <5% · Rare
Common Hover Fly Parasitoid Wasp

Common Hover Fly Parasitoid Wasp

Insect

Diplazon laetatorius

Daily sighting probability <5% · Rare
Exetastes fornicator

Exetastes fornicator

Insect

Exetastes fornicator

Daily sighting probability <5% · Rare
Rhyssella nitida

Rhyssella nitida

Insect

Rhyssella nitida

Daily sighting probability <5% · Rare

Before you go

What are the chances of seeing a Greene's Giant Ichneumonid Wasp in Toronto?

Rare

Under 5% of wildlife watchers report a Greene's Giant Ichneumonid Wasp sighting in Toronto on a given day, based on 38 verified sightings from GBIF citizen-science data. It is the 457th most-seen of the 1689 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 Greene's Giant Ichneumonid Wasp in Toronto?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Greene's Giant Ichneumonid Wasp in Toronto on a given day, so our monthly data shows no clear season.

Is Toronto the best place to see a Greene's Giant Ichneumonid Wasp?

Yes

Of the 7 cities where we can rate Greene's Giant Ichneumonid Wasp sightings, Toronto has the highest daily chance: under 5%. Next come Montreal (Canada, under 5%) and Boston (United States, under 5%).

Where does the Greene's Giant Ichneumonid Wasp sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Greene's Giant Ichneumonid Wasp is recorded against all the insects logged in Toronto (38 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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