"Bug - River"

#12844493

9 October 2025

A Signal Fly (Rivellia sp.) is in Toronto, Ontario, Canada, on July 20, 2025.

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#12602758

1 August 2025

The Brushlegged Mayfly (Ephemeroptera) is in Old Quebec City, Quebec, Canada, on June 26, 2025. Mayflies are unique among insects in that they moult one more time after acquiring functional wings; this is also known as the alate stage. This last-but-one winged instar usually lives a very short time, often a matter of hours, and is known as a subimago or, to fly fishermen, as a dun. Mayflies in this stage are a favorite food of many fish, and many fishing flies are modeled to resemble them. The adult mayflies are short-lived, from a few minutes to a few days depending on the species. About 2,500 species of mayflies are known worldwide, including about 630 species in North America.

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#12523777

3 July 2025

The Brushlegged Mayfly (Ephemeroptera) is in Old Quebec City, Quebec, Canada. Mayflies are unique among insects because they moult one more time after acquiring functional wings, known as the alate stage. This penultimate winged instar usually lives a very short time, often a matter of hours, and is known as a subimago or, to fly fishermen, as a dun. Mayflies in this stage are a favorite food of many fish, and many fishing flies are modeled to resemble them. The adult mayflies are short-lived, from a few minutes to a few days, depending on the species. About 2,500 species of mayflies are known worldwide, including about 630 species in North America.

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#10310012

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: View of a tourist spot called 'River gauge on the Bug River in Wlodawa' located near Polish border pillar number 15, at the Polish-Belarusian border, on July 09, 2023 in Wlodawa, Poland.

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#10310010

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: Polish border pillar, at the Polish-Belarusian border, located near Wlodawa, on July 09, 2023 in Wlodawa, Poland.

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#10310014

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: Polish border pillar, at the Polish-Belarusian border, located near Wlodawa, on July 09, 2023 in Wlodawa, Poland.

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#10309998

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: The Republic of Poland border sign located in Wlodawa, near Polish border pillar number 15, at the Polish-Belarusian border, on July 09, 2023 in Wlodawa, Poland.

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#10310000

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: The Republic of Poland border sign located in Wlodawa, near Polish border pillar number 15, at the Polish-Belarusian border, on July 09, 2023 in Wlodawa, Poland.

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#10310004

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: The Republic of Poland border sign located in Wlodawa, near Polish border pillar number 15, at the Polish-Belarusian border, on July 09, 2023 in Wlodawa, Poland.

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#10310006

28 July 2023

WLODAWA, POLAND - JULY 09, 2023: The Republic of Poland border sign located near Wlodawa, near Polish border pillar number 15, at the Polish-Belarusian border, on July 09, 2023 in Wlodawa, Poland.

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#10278196

19 July 2023

Signal Fly (Rivellia sp.) on a leaf in Markham, Ontario, Canada, on July 10, 2023.

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#10278202

19 July 2023

Signal Fly (Rivellia sp.) on a leaf in Markham, Ontario, Canada, on July 10, 2023.

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#10257508

11 July 2023

Signal Fly (Rivellia sp.) on a leaf in Markham, Ontario, Canada, on July 10, 2023.

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#3195028

23 September 2018

Boat on the Bug river bank is seen near Malkinia, Poland on 9 September 2018

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#3195030

23 September 2018

Boat on the Bug river bank is seen near Malkinia, Poland on 9 September 2018

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#3195034

23 September 2018

Girl sitting on the Bug river bank is seen near Malkinia, Poland on 9 September 2018

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