Blackjack Fly

Blackjack Fly

Dioxyna sororcula

Daily sighting probability <5% · Rare
at Sydney

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

5 Verified sightings at Sydney
June Best month

About the Blackjack Fly

Dioxyna sororcula is a species of tephritid or fruit flies in the genus Dioxyna of the family Tephritidae. 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 Auckland 🇳🇿 New Zealand
<5%
2 Hong Kong 🇨🇳 China
<5%
3 Lisbon 🇵🇹 Portugal
<5%
4 Brisbane 🇦🇺 Australia
<5%
5 Sydney 🇦🇺 Australia
<5%

Before you go

What are the chances of seeing a Blackjack Fly in Sydney?

Rare

Under 5% of wildlife watchers report a Blackjack Fly sighting in Sydney on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 666th most-seen of the 742 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 Blackjack Fly in Sydney?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Blackjack Fly in Sydney on a given day, so our monthly data shows no clear season.

Is Sydney the best place to see a Blackjack Fly?

Among the best

Of the 5 cities where we can rate Blackjack Fly sightings, Sydney ranks 5th at under 5%, level with the leaders once rounded. The best odds are in Auckland (New Zealand, under 5%), Hong Kong (China, under 5%) and Lisbon (Portugal, under 5%).

Where does the Blackjack Fly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Blackjack Fly is recorded against all the insects logged in Sydney (5 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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