Family

Picture-winged Flies

Ulidiidae

7 species in our catalog · found in 7 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderDiptera (Flies)
FamilyUlidiidae (Picture-winged Flies)

Species in this group

Callopistromyia annulipes

Daily sighting probability ~10% · With luck

Diacrita costalis

Daily sighting probability ~10% · With luck

Tritoxa flexa

Daily sighting probability ~10% · With luck

Endemic

Namibotites argentata

Daily sighting probability ~10% · With luck

Otites lamed

Daily sighting probability <5% · Rare

Delphinia picta

Daily sighting probability <5% · Rare

Otites porcus

Daily sighting probability <5% · Rare

Daily sighting probability by month

Probability-weighted average across the group's species

<5%

Jan

<5%

Feb

<5%

Mar

<5%

Apr

~10%

May

~10%

Jun

~10%

Jul

~10%

Aug

~10%

Sep

<5%

Oct

<5%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Picture-winged 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	3 of 7	~20%
	Peacock Fly			~10%
	Black Onion Fly			~10%
	Common Picture-Winged Fly			<5%
2	Great Smoky Mountains National Park	🇺🇸 United States	3 of 7	~10%
	Peacock Fly			~10%
	Common Picture-Winged Fly			<5%
	Black Onion Fly			<5%
3	Saguaro National Park	🇺🇸 United States	1 of 7	~10%
	Diacrita costalis			~10%
4	Big Bend National Park	🇺🇸 United States	1 of 7	~10%
	Diacrita costalis			~10%
5	Namib-Naukluft National Park	🇳🇦 Namibia	1 of 7	~10%
	Namibotites argentata			~10%
6	Cévennes National Park	🇫🇷 France	1 of 7	<5%
	Otites lamed			<5%
7	Pyrénées National Park	🇫🇷 France	1 of 7	<5%
	Otites porcus			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Washington	🇺🇸 United States	3 of 7	~20%
	Common Picture-Winged Fly			~10%
	Peacock Fly			<5%
	Black Onion Fly			<5%
2	Baltimore	🇺🇸 United States	2 of 7	~20%
	Common Picture-Winged Fly			~10%
	Peacock Fly			<5%
3	Philadelphia	🇺🇸 United States	2 of 7	~20%
	Common Picture-Winged Fly			~10%
	Peacock Fly			<5%
4	Detroit	🇺🇸 United States	1 of 7	~10%
	Common Picture-Winged Fly			~10%
5	New York City	🇺🇸 United States	2 of 7	~10%
	Common Picture-Winged Fly			~10%
	Peacock Fly			<5%
6	Chicago	🇺🇸 United States	2 of 7	~10%
	Common Picture-Winged Fly			~10%
	Black Onion Fly			<5%
7	Boston	🇺🇸 United States	2 of 7	~10%
	Common Picture-Winged Fly			~10%
	Peacock Fly			<5%
8	Minneapolis [Saint Paul]	🇺🇸 United States	1 of 7	~10%
	Common Picture-Winged Fly			~10%
9	Dallas	🇺🇸 United States	1 of 7	~10%
	Common Picture-Winged Fly			~10%
10	Toronto	🇨🇦 Canada	2 of 7	~10%
	Common Picture-Winged Fly			~10%
	Peacock Fly			<5%
11	Austin	🇺🇸 United States	1 of 7	~10%
	Common Picture-Winged Fly			~10%
12	Paris	🇫🇷 France	2 of 7	~10%
	Otites porcus			<5%
	Peacock Fly			<5%
13	Vienna	🇦🇹 Austria	2 of 7	~10%
	Otites lamed			<5%
	Peacock Fly			<5%
14	Denver	🇺🇸 United States	1 of 7	~10%
	Common Picture-Winged Fly			~10%
15	Houston	🇺🇸 United States	1 of 7	~10%
	Common Picture-Winged Fly			~10%
16	Montreal	🇨🇦 Canada	2 of 7	~10%
	Common Picture-Winged Fly			<5%
	Peacock Fly			<5%
17	Berlin	🇩🇪 Germany	1 of 7	~10%
	Peacock Fly			~10%
18	Warsaw	🇵🇱 Poland	1 of 7	~10%
	Peacock Fly			~10%
19	Bucharest	🇷🇴 Romania	1 of 7	<5%
	Peacock Fly			<5%
20	Lyon	🇫🇷 France	1 of 7	<5%
	Otites porcus			<5%
21	San Antonio	🇺🇸 United States	1 of 7	<5%
	Common Picture-Winged Fly			<5%
22	Kyiv	🇺🇦 Ukraine	1 of 7	<5%
	Peacock Fly			<5%
23	Phoenix	🇺🇸 United States	1 of 7	<5%
	Diacrita costalis			<5%
24	Mexico City	🇲🇽 México	1 of 7	<5%
	Diacrita costalis			<5%
25	Los Angeles	🇺🇸 United States	1 of 7	<5%
	Diacrita costalis			<5%

Picture-winged Flies

Species in this group

Peacock Fly

Diacrita costalis

Black Onion Fly

Namibotites argentata

Otites lamed

Common Picture-Winged Fly

Otites porcus

Daily sighting probability by month

When they're spotted

Where to see Picture-winged Flies

Parks Ranked

Cities Ranked