Sericomyia (Pond Flies) — Wallace's Line

Species in this group

Sericomyia silentis

Daily sighting probability ~20% · Possible

Sericomyia chalcopyga

Daily sighting probability ~20% · Possible

Sericomyia militaris

Daily sighting probability ~20% · Possible

Sericomyia chrysotoxoides

Daily sighting probability ~10% · With luck

Sericomyia bombiformis

Daily sighting probability ~10% · With luck

Sericomyia flagrans

Daily sighting probability ~10% · With luck

Sericomyia lappona

Daily sighting probability ~10% · With luck

Sericomyia superbiens

Daily sighting probability <5% · Rare

Sericomyia lata

Daily sighting probability <5% · Rare

See all 9 species Show fewer

Daily sighting probability by month

Probability-weighted average across the group's species

<5%

Jan

<5%

Feb

<5%

Mar

~10%

Apr

<5%

May

~10%

Jun

~10%

Jul

~20%

Aug

~20%

Sep

~10%

Oct

<5%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Pond Flies

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

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Cairngorms National Park	🇬🇧 United Kingdom	2 of 9	~30%
	Yellow-Barred Peat Hover Fly			~20%
	White-Barred Peat Hoverfly			~10%
2	Great Bear Rainforest	🇨🇦 Canada	2 of 9	~20%
	Western Pond Fly			~20%
	Narrow-Banded Pond Fly			~10%
3	Pacific Rim National Park Reserve	🇨🇦 Canada	1 of 9	~20%
	Western Pond Fly			~20%
4	Acadia National Park	🇺🇸 United States	3 of 9	~20%
	Oblique-Banded Pond Fly			~10%
	Narrow-Banded Pond Fly			~10%
	White-Spotted Pond Fly			<5%
5	Isle Royale National Park	🇺🇸 United States	1 of 9	~20%
	Narrow-Banded Pond Fly			~20%
6	Pyrénées National Park	🇫🇷 France	3 of 9	~20%
	Sericomyia bombiformis			~10%
	Yellow-Barred Peat Hover Fly			~10%
	Sericomyia superbiens			<5%
7	Snowdonia National Park	🇬🇧 United Kingdom	1 of 9	~10%
	Yellow-Barred Peat Hover Fly			~10%
8	Rocky Mountain National Park	🇺🇸 United States	2 of 9	~10%
	Spot-Winged Pond Fly			~10%
	Narrow-Banded Pond Fly			<5%
9	Gros Morne National Park	🇨🇦 Canada	1 of 9	~10%
	Narrow-Banded Pond Fly			~10%
10	Aigüestortes National Park	🇪🇸 Spain	1 of 9	~10%
	Sericomyia bombiformis			~10%
11	Bavarian Forest National Park	🇩🇪 Germany	1 of 9	~10%
	Yellow-Barred Peat Hover Fly			~10%
12	Shenandoah National Park	🇺🇸 United States	1 of 9	~10%
	Oblique-Banded Pond Fly			~10%
13	Redwood National Park	🇺🇸 United States	1 of 9	~10%
	Western Pond Fly			~10%
14	Olympic National Park	🇺🇸 United States	1 of 9	~10%
	Western Pond Fly			~10%
15	Point Pelee National Park	🇨🇦 Canada	1 of 9	~10%
	Oblique-Banded Pond Fly			~10%
16	Grand Teton National Park	🇺🇸 United States	1 of 9	~10%
	Spot-Winged Pond Fly			~10%
17	Wadden Sea National Park	🇩🇪 Germany	1 of 9	~10%
	Yellow-Barred Peat Hover Fly			~10%
18	Banff National Park	🇨🇦 Canada	1 of 9	<5%
	Narrow-Banded Pond Fly			<5%
19	Great Smoky Mountains National Park	🇺🇸 United States	1 of 9	<5%
	Oblique-Banded Pond Fly			<5%
20	Yosemite National Park	🇺🇸 United States	1 of 9	<5%
	Spot-Winged Pond Fly			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Toronto	🇨🇦 Canada	2 of 9	~10%
	Oblique-Banded Pond Fly			~10%
	Narrow-Banded Pond Fly			<5%
2	Anchorage	🇺🇸 United States	1 of 9	~10%
	Narrow-Banded Pond Fly			~10%
3	Montreal	🇨🇦 Canada	2 of 9	~10%
	Oblique-Banded Pond Fly			<5%
	Narrow-Banded Pond Fly			<5%
4	Helsinki	🇫🇮 Finland	1 of 9	~10%
	Yellow-Barred Peat Hover Fly			~10%
5	Birmingham	🇬🇧 United Kingdom	1 of 9	~10%
	Yellow-Barred Peat Hover Fly			~10%
6	Vancouver	🇨🇦 Canada	1 of 9	~10%
	Western Pond Fly			~10%
7	Boston	🇺🇸 United States	1 of 9	<5%
	Oblique-Banded Pond Fly			<5%
8	Copenhagen	🇩🇰 Denmark	1 of 9	<5%
	Yellow-Barred Peat Hover Fly			<5%
9	Manchester	🇬🇧 United Kingdom	1 of 9	<5%
	Yellow-Barred Peat Hover Fly			<5%
10	Seattle	🇺🇸 United States	1 of 9	<5%
	Western Pond Fly			<5%
11	Philadelphia	🇺🇸 United States	1 of 9	<5%
	Oblique-Banded Pond Fly			<5%
12	Portland	🇺🇸 United States	1 of 9	<5%
	Western Pond Fly			<5%
13	Edmonton	🇨🇦 Canada	1 of 9	<5%
	Narrow-Banded Pond Fly			<5%
14	New York City	🇺🇸 United States	1 of 9	<5%
	Oblique-Banded Pond Fly			<5%
15	Saint Petersburg	🇷🇺 Russia	1 of 9	<5%
	Yellow-Barred Peat Hover Fly			<5%
16	Calgary	🇨🇦 Canada	1 of 9	<5%
	Narrow-Banded Pond Fly			<5%
17	Washington	🇺🇸 United States	1 of 9	<5%
	Oblique-Banded Pond Fly			<5%
18	Moscow	🇷🇺 Russia	1 of 9	<5%
	Yellow-Barred Peat Hover Fly			<5%

Pond Flies

Species in this group

Yellow-Barred Peat Hover Fly

Western Pond Fly

Narrow-Banded Pond Fly

Oblique-Banded Pond Fly

Sericomyia bombiformis

Spot-Winged Pond Fly

White-Barred Peat Hoverfly

Sericomyia superbiens

White-Spotted Pond Fly

Daily sighting probability by month

When they're spotted

Where to see Pond Flies

Parks Ranked

Cities Ranked