Order

Mayflies

Ephemeroptera

9 species in our catalog · found in 6 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderEphemeroptera (Mayflies)

Species in this group

Endemic

Coloburiscus humeralis

Daily sighting probability ~30% · Possible

Ameletopsis perscitus

Daily sighting probability ~20% · Possible

Ephemera danica

Daily sighting probability ~20% · Possible

Endemic

Acanthophlebia cruentata

Daily sighting probability ~10% · With luck

Deleatidium magnum

Daily sighting probability ~10% · With luck

Endemic

Zephlebia borealis

Daily sighting probability ~10% · With luck

Nesameletus ornatus

Daily sighting probability ~10% · With luck

Neozephlebia scita

Daily sighting probability ~10% · With luck

Cloeon dipterum

Daily sighting probability <5% · Rare

See all 9 species Show fewer

Daily sighting probability by month

Probability-weighted average across the group's species

~10%

Jan

~10%

Feb

~10%

Mar

~10%

Apr

~20%

May

~20%

Jun

<5%

Jul

~10%

Aug

~20%

Sep

~10%

Oct

~20%

Nov

~10%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Mayflies

Warmer areas are where this group is recorded most often. Our parks Our cities

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Egmont National Park	🇳🇿 New Zealand	7 of 9	~70%
	Spinygilled Mayfly			~30%
	Ameletopsis perscitus			~20%
	Acanthophlebia cruentata			~10%
	Deleatidium magnum			~10%
	Zephlebia borealis			~10%
	Small Swimming Mayfly			~10%
	Neozephlebia scita			~10%
2	Plitvice Lakes National Park	🇭🇷 Croatia	1 of 9	~20%
	European Green Drake			~20%
3	Fiordland National Park	🇳🇿 New Zealand	1 of 9	~10%
	Spinygilled Mayfly			~10%
4	Bavarian Forest National Park	🇩🇪 Germany	1 of 9	~10%
	European Green Drake			~10%
5	Wadden Sea National Park	🇩🇪 Germany	1 of 9	<5%
	Pond Olive			<5%
6	Pyrénées National Park	🇫🇷 France	1 of 9	<5%
	European Green Drake			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	London	🇬🇧 United Kingdom	2 of 9	~10%
	Pond Olive			<5%
	European Green Drake			<5%
2	Madrid	🇪🇸 Spain	1 of 9	~10%
	Pond Olive			~10%
3	Paris	🇫🇷 France	2 of 9	~10%
	Pond Olive			<5%
	European Green Drake			<5%
4	Rotterdam [The Hague]	🇳🇱 Netherlands	1 of 9	~10%
	Pond Olive			~10%
5	Munich	🇩🇪 Germany	1 of 9	~10%
	European Green Drake			~10%
6	Amsterdam	🇳🇱 Netherlands	1 of 9	~10%
	Pond Olive			~10%
7	Leeds	🇬🇧 United Kingdom	1 of 9	<5%
	European Green Drake			<5%
8	Barcelona	🇪🇸 Spain	1 of 9	<5%
	Pond Olive			<5%
9	Liverpool	🇬🇧 United Kingdom	1 of 9	<5%
	Pond Olive			<5%
10	Birmingham	🇬🇧 United Kingdom	1 of 9	<5%
	Pond Olive			<5%
11	Prague	🇨🇿 Czechia	1 of 9	<5%
	European Green Drake			<5%
12	Essen	🇩🇪 Germany	1 of 9	<5%
	Pond Olive			<5%
13	Kyiv	🇺🇦 Ukraine	1 of 9	<5%
	Pond Olive			<5%
14	Lisbon	🇵🇹 Portugal	1 of 9	<5%
	Pond Olive			<5%

Mayflies

Species in this group

Spinygilled Mayfly

Ameletopsis perscitus

European Green Drake

Acanthophlebia cruentata

Deleatidium magnum

Zephlebia borealis

Small Swimming Mayfly

Neozephlebia scita

Pond Olive

Daily sighting probability by month

When they're spotted

Where to see Mayflies

Parks Ranked

Cities Ranked