Lesser Willow Sawfly

Lesser Willow Sawfly

Nematus pavidus

Daily sighting probability <5% · Rare
at Birmingham

In 3 days ~10% in a week ~30%

9 Verified sightings at Birmingham
6 In 1 park From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the Lesser Willow Sawfly

Nematus pavidus is a Palearctic species of sawfly. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Wadden Sea National Park 🇩🇪 Germany
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Manchester 🇬🇧 United Kingdom
<5%
2 Porto 🇵🇹 Portugal
<5%
3 Birmingham 🇬🇧 United Kingdom
<5%
4 London 🇬🇧 United Kingdom
<5%
5 Saint Petersburg 🇷🇺 Russia
<5%

Before you go

What are the chances of seeing a Lesser Willow Sawfly in Birmingham?

Rare

Under 5% of wildlife watchers report a Lesser Willow Sawfly sighting in Birmingham on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 528th most-seen of the 811 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Lesser Willow Sawfly in Birmingham?

August to November

In those months about 10% of wildlife watchers report a Lesser Willow Sawfly in Birmingham on a given day, against under 5% in December to July, the lowest months.

What time of day is best to see a Lesser Willow Sawfly?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Lesser Willow Sawfly sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Birmingham the best place to see a Lesser Willow Sawfly?

Among the best

Of the 5 cities where we can rate Lesser Willow Sawfly sightings, Birmingham ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Manchester (United Kingdom, under 5%) and Porto (Portugal, under 5%).

Which relatives of the Lesser Willow Sawfly live in Birmingham?

Same family: Tenthredinidae

The closest relatives of the Lesser Willow Sawfly that you can see in Birmingham (family Tenthredinidae, Common Sawflies) are Willow Redgall Sawfly (about 10%), Red-Belted Cleaver (about 10%) and Turnip Sawfly (about 10%), with each one's daily chance of a sighting.

Where does the Lesser Willow Sawfly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Lesser Willow Sawfly is recorded against all the insects logged in Birmingham (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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