Genus

Rivulets

Perizoma

7 species in our catalog · found in 8 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderLepidoptera (Butterflies and Moths)
FamilyGeometridae (Geometer Moths)
GenusPerizoma (Rivulets)

Species in this group

Perizoma verberata

Daily sighting probability ~20% · Possible

Perizoma didymata

Daily sighting probability ~10% · With luck

Perizoma albulata

Daily sighting probability ~10% · With luck

Perizoma alchemillata

Daily sighting probability ~10% · With luck

Perizoma hydrata

Daily sighting probability ~10% · With luck

Perizoma flavofasciata

Daily sighting probability ~10% · With luck

Perizoma affinitata

Daily sighting probability ~10% · With luck

Daily sighting probability by month

Probability-weighted average across the group's species

<5%

Jan

<5%

Feb

<5%

Mar

<5%

Apr

<5%

May

~10%

Jun

~10%

Jul

~10%

Aug

<5%

Sep

<5%

Oct

<5%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Rivulets

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

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Vanoise National Park	🇫🇷 France	3 of 7	~30%
	Perizoma verberata			~20%
	Grass Rivulet			~10%
	Perizoma hydrata			~10%
2	Hohe Tauern National Park	🇦🇹 Austria	2 of 7	~30%
	Perizoma verberata			~20%
	Grass Rivulet			~10%
3	Bavarian Forest National Park	🇩🇪 Germany	4 of 7	~20%
	Small Rivulet			~10%
	Sandy Carpet			~10%
	Rivulet			~10%
	Twin-Spot Carpet			<5%
4	Cairngorms National Park	🇬🇧 United Kingdom	2 of 7	~20%
	Twin-Spot Carpet			~10%
	Small Rivulet			~10%
5	Mercantour National Park	🇫🇷 France	1 of 7	~10%
	Grass Rivulet			~10%
6	Wadden Sea National Park	🇩🇪 Germany	3 of 7	~10%
	Sandy Carpet			<5%
	Small Rivulet			<5%
	Grass Rivulet			<5%
7	Pyrénées National Park	🇫🇷 France	3 of 7	~10%
	Small Rivulet			<5%
	Grass Rivulet			<5%
	Perizoma verberata			<5%
8	Cévennes National Park	🇫🇷 France	1 of 7	<5%
	Sandy Carpet			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Liverpool	🇬🇧 United Kingdom	2 of 7	~10%
	Small Rivulet			~10%
	Sandy Carpet			<5%
2	Birmingham	🇬🇧 United Kingdom	2 of 7	~10%
	Grass Rivulet			~10%
	Small Rivulet			<5%
3	Helsinki	🇫🇮 Finland	2 of 7	~10%
	Twin-Spot Carpet			<5%
	Small Rivulet			<5%
4	Porto	🇵🇹 Portugal	1 of 7	<5%
	Sandy Carpet			<5%
5	Saint Petersburg	🇷🇺 Russia	1 of 7	<5%
	Twin-Spot Carpet			<5%
6	London	🇬🇧 United Kingdom	1 of 7	<5%
	Grass Rivulet			<5%
7	Moscow	🇷🇺 Russia	1 of 7	<5%
	Small Rivulet			<5%

Rivulets

Species in this group

Perizoma verberata

Twin-Spot Carpet

Grass Rivulet

Small Rivulet

Perizoma hydrata

Sandy Carpet

Rivulet

Daily sighting probability by month

When they're spotted

Where to see Rivulets

Parks Ranked

Cities Ranked