Alfalfa Root Weevil

Alfalfa Root Weevil

Sitona discoideus

Daily sighting probability <5% · Rare
at Perth

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

7 Verified sightings at Perth
5 In 1 park From 2019 to 2026
October Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Great Otway National Park 🇦🇺 Australia
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Perth 🇦🇺 Australia
<5%
2 Auckland 🇳🇿 New Zealand
<5%
3 Melbourne 🇦🇺 Australia
<5%

Before you go

What are the chances of seeing an Alfalfa Root Weevil in Perth?

Rare

Under 5% of wildlife watchers report an Alfalfa Root Weevil sighting in Perth on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 206th most-seen of the 275 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 an Alfalfa Root Weevil in Perth?

May–July and October

In those months about 10% of wildlife watchers report an Alfalfa Root Weevil in Perth on a given day, against under 5% in August–September and November–April, the lowest months. Those are among Perth's wettest months, with about 90 mm of rain a month against 10 mm in December.

What time of day is best to see an Alfalfa Root Weevil?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Alfalfa Root Weevil sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Perth the best place to see an Alfalfa Root Weevil?

Yes

Of the 3 cities where we can rate Alfalfa Root Weevil sightings, Perth has the highest daily chance: under 5%. Next come Auckland (New Zealand, under 5%) and Melbourne (Australia, under 5%).

Which relatives of the Alfalfa Root Weevil live in Perth?

Same family: Curculionidae

The closest relatives of the Alfalfa Root Weevil that you can see in Perth (family Curculionidae, True Weevils) are Fuller's Rose Weevil (about 10%), Catasarcus spinipennis (about 10%) and Garden Weevil (about 10%), with each one's daily chance of a sighting.

Where does the Alfalfa Root Weevil sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Alfalfa Root Weevil is recorded against all the insects logged in Perth (7 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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