Lesser Willow Sawfly

Lesser Willow Sawfly

Nematus pavidus

Daily sighting probability <5% · Rare
at Porto

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

12 Verified sightings at Porto
6 In 1 park From 2019 to 2026
December 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 Porto?

Rare

Under 5% of wildlife watchers report a Lesser Willow Sawfly sighting in Porto on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 320th most-seen of the 498 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 Porto?

March–May and November–December

In those months about 10% of wildlife watchers report a Lesser Willow Sawfly in Porto on a given day, against under 5% in January–February and June–October, 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 Porto the best place to see a Lesser Willow Sawfly?

Among the best

Of the 5 cities where we can rate Lesser Willow Sawfly sightings, Porto ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Manchester (United Kingdom, under 5%).

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 Porto (12 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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