Bibionidae (March Flies) — Wallace's Line

Species in this group

Bibio pomonae

Daily sighting probability ~10% · With luck

Plecia nearctica

Daily sighting probability ~10% · With luck

Penthetria heteroptera

Daily sighting probability ~10% · With luck

Endemic

Dilophus nigrostigma

Daily sighting probability ~10% · With luck

Bibio marci

Daily sighting probability ~10% · With luck

Endemic

Bibio imitator

Daily sighting probability ~10% · With luck

Plecia ruficollis

Daily sighting probability <5% · Rare

Bibio femoratus

Daily sighting probability <5% · Rare

Dilophus febrilis

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

<5%

Apr

<5%

May

<5%

Jun

<5%

Jul

~10%

Aug

~10%

Sep

~10%

Oct

~10%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see March Flies

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

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Shenandoah National Park	🇺🇸 United States	2 of 9	~10%
	Penthetria heteroptera			~10%
	Lovebug			<5%
2	Tatra National Park	🇸🇰 Slovakia	1 of 9	~10%
	Red-Thighed St Mark's Fly			~10%
3	Merritt Island National Wildlife Refuge	🇺🇸 United States	1 of 9	~10%
	Common Lovebug			~10%
4	Rakiura National Park	🇳🇿 New Zealand	1 of 9	~10%
	Blossom Fly			~10%
5	Big Cypress National Preserve	🇺🇸 United States	1 of 9	~10%
	Common Lovebug			~10%
6	Snowdonia National Park	🇬🇧 United Kingdom	1 of 9	~10%
	Red-Thighed St Mark's Fly			~10%
7	Egmont National Park	🇳🇿 New Zealand	1 of 9	~10%
	Blossom Fly			~10%
8	Wadden Sea National Park	🇩🇪 Germany	2 of 9	~10%
	Fever Fly			<5%
	Hawthorn Fly			<5%
9	Cairngorms National Park	🇬🇧 United Kingdom	1 of 9	~10%
	Red-Thighed St Mark's Fly			~10%
10	Fiordland National Park	🇳🇿 New Zealand	1 of 9	~10%
	Blossom Fly			~10%
11	Bavarian Forest National Park	🇩🇪 Germany	1 of 9	~10%
	Hawthorn Fly			~10%
12	Everglades National Park	🇺🇸 United States	1 of 9	~10%
	Common Lovebug			~10%
13	Royal National Park	🇦🇺 Australia	1 of 9	~10%
	Australian Garden Maggot			~10%
14	Great Otway National Park	🇦🇺 Australia	1 of 9	~10%
	Australian Garden Maggot			~10%
15	Blue Mountains National Park	🇦🇺 Australia	1 of 9	~10%
	Australian Garden Maggot			~10%
16	Pyrénées National Park	🇫🇷 France	1 of 9	<5%
	Red-Thighed St Mark's Fly			<5%
17	Table Mountain National Park	🇿🇦 South Africa	1 of 9	<5%
	September Fly			<5%
18	Garden Route National Park	🇿🇦 South Africa	1 of 9	<5%
	September Fly			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Liverpool	🇬🇧 United Kingdom	2 of 9	~10%
	Hawthorn Fly			~10%
	Fever Fly			<5%
2	Melbourne	🇦🇺 Australia	1 of 9	~10%
	Australian Garden Maggot			~10%
3	Berlin	🇩🇪 Germany	2 of 9	~10%
	Hawthorn Fly			~10%
	Fever Fly			<5%
4	Helsinki	🇫🇮 Finland	2 of 9	~10%
	Hawthorn Fly			~10%
	Fever Fly			~10%
5	Pretoria	🇿🇦 South Africa	1 of 9	~10%
	September Fly			~10%
6	Houston	🇺🇸 United States	1 of 9	~10%
	Common Lovebug			~10%
7	Manchester	🇬🇧 United Kingdom	2 of 9	~10%
	Red-Thighed St Mark's Fly			~10%
	Fever Fly			<5%
8	Hamburg	🇩🇪 Germany	2 of 9	~10%
	Hawthorn Fly			~10%
	Fever Fly			<5%
9	Orlando	🇺🇸 United States	1 of 9	~10%
	Common Lovebug			~10%
10	Paris	🇫🇷 France	2 of 9	~10%
	Hawthorn Fly			~10%
	Fever Fly			<5%
11	Perth	🇦🇺 Australia	1 of 9	~10%
	Australian Garden Maggot			~10%
12	Kharkiv	🇺🇦 Ukraine	1 of 9	~10%
	Hawthorn Fly			~10%
13	London	🇬🇧 United Kingdom	2 of 9	~10%
	Hawthorn Fly			<5%
	Fever Fly			<5%
14	Kyiv	🇺🇦 Ukraine	1 of 9	~10%
	Hawthorn Fly			~10%
15	Vienna	🇦🇹 Austria	2 of 9	~10%
	Hawthorn Fly			<5%
	Fever Fly			<5%
16	Turin	🇮🇹 Italy	1 of 9	~10%
	Hawthorn Fly			~10%
17	Brussels	🇧🇪 Belgium	1 of 9	~10%
	Hawthorn Fly			~10%
18	Johannesburg	🇿🇦 South Africa	1 of 9	~10%
	September Fly			~10%
19	Prague	🇨🇿 Czechia	1 of 9	~10%
	Hawthorn Fly			~10%
20	Cape Town	🇿🇦 South Africa	1 of 9	~10%
	September Fly			~10%
21	Sydney	🇦🇺 Australia	1 of 9	~10%
	Australian Garden Maggot			~10%
22	Boston	🇺🇸 United States	1 of 9	<5%
	Lovebug			<5%
23	Cologne	🇩🇪 Germany	1 of 9	<5%
	Hawthorn Fly			<5%
24	Birmingham	🇬🇧 United Kingdom	1 of 9	<5%
	Hawthorn Fly			<5%
25	Warsaw	🇵🇱 Poland	1 of 9	<5%
	Hawthorn Fly			<5%
26	Munich	🇩🇪 Germany	1 of 9	<5%
	Hawthorn Fly			<5%
27	Essen	🇩🇪 Germany	1 of 9	<5%
	Hawthorn Fly			<5%
28	Miami	🇺🇸 United States	1 of 9	<5%
	Common Lovebug			<5%
29	Nizhny Novgorod	🇷🇺 Russia	1 of 9	<5%
	Hawthorn Fly			<5%
30	Philadelphia	🇺🇸 United States	1 of 9	<5%
	Lovebug			<5%
31	Washington	🇺🇸 United States	1 of 9	<5%
	Lovebug			<5%
32	Saint Petersburg	🇷🇺 Russia	1 of 9	<5%
	Fever Fly			<5%
33	New York City	🇺🇸 United States	1 of 9	<5%
	Lovebug			<5%
34	Montreal	🇨🇦 Canada	1 of 9	<5%
	Lovebug			<5%
35	Moscow	🇷🇺 Russia	1 of 9	<5%
	Hawthorn Fly			<5%

March Flies

Species in this group

Red-Thighed St Mark's Fly

Common Lovebug

Penthetria heteroptera

Blossom Fly

Hawthorn Fly

Australian Garden Maggot

September Fly

Lovebug

Fever Fly

Daily sighting probability by month

When they're spotted

Where to see March Flies

Parks Ranked

Cities Ranked