Genus

American Dobsonflies

Corydalus

6 species in our catalog · found in 14 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderMegaloptera (Alderflies, Dobsonflies, and Fishflies)
FamilyCorydalidae (Dobsonflies and Fishflies)
GenusCorydalus (American Dobsonflies)

Species in this group

Corydalus flavicornis

Daily sighting probability ~40% · Likely

Corydalus texanus

Daily sighting probability ~20% · Possible

Corydalus peruvianus

Daily sighting probability ~20% · Possible

Corydalus cornutus

Daily sighting probability ~20% · Possible

Corydalus luteus

Daily sighting probability ~10% · With luck

Corydalus affinis

Daily sighting probability ~10% · With luck

Daily sighting probability by month

Probability-weighted average across the group's species

~20%

Jan

~10%

Feb

~20%

Mar

~20%

Apr

~20%

May

~20%

Jun

~20%

Jul

~10%

Aug

~10%

Sep

~10%

Oct

~10%

Nov

~10%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see American Dobsonflies

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

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Braulio Carrillo National Park	🇨🇷 Costa Rica	1 of 6	~40%
	Corydalus flavicornis			~40%
2	Zion National Park	🇺🇸 United States	1 of 6	~20%
	Western Dobsonfly			~20%
3	Arenal Volcano National Park	🇨🇷 Costa Rica	3 of 6	~20%
	Corydalus peruvianus			~10%
	Corydalus luteus			~10%
	Corydalus flavicornis			~10%
4	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	1 of 6	~20%
	Corydalus peruvianus			~20%
5	Great Smoky Mountains National Park	🇺🇸 United States	1 of 6	~20%
	Eastern Dobsonfly			~20%
6	Grand Canyon National Park	🇺🇸 United States	1 of 6	~10%
	Western Dobsonfly			~10%
7	Chirripó National Park	🇨🇷 Costa Rica	1 of 6	~10%
	Corydalus peruvianus			~10%
8	Shenandoah National Park	🇺🇸 United States	1 of 6	~10%
	Eastern Dobsonfly			~10%
9	Piedras Blancas National Park	🇨🇷 Costa Rica	1 of 6	~10%
	Corydalus flavicornis			~10%
10	Sequoia and Kings Canyon National Parks	🇺🇸 United States	1 of 6	~10%
	Western Dobsonfly			~10%
11	Manu National Park	🇵🇪 Peru	1 of 6	~10%
	Corydalus affinis			~10%
12	Cumbres de Monterrey National Park	🇲🇽 Mexico	1 of 6	~10%
	Corydalus luteus			~10%
13	La Amistad International Park (Panama)	🇵🇦 Panama	1 of 6	~10%
	Corydalus peruvianus			~10%
14	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	1 of 6	~10%
	Corydalus peruvianus			~10%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Baltimore	🇺🇸 United States	1 of 6	~10%
	Eastern Dobsonfly			~10%
2	Washington	🇺🇸 United States	1 of 6	~10%
	Eastern Dobsonfly			~10%
3	Panama City	🇵🇦 Panama	1 of 6	<5%
	Corydalus luteus			<5%
4	Minneapolis [Saint Paul]	🇺🇸 United States	1 of 6	<5%
	Eastern Dobsonfly			<5%
5	Dallas	🇺🇸 United States	1 of 6	<5%
	Eastern Dobsonfly			<5%
6	Austin	🇺🇸 United States	1 of 6	<5%
	Eastern Dobsonfly			<5%
7	Montreal	🇨🇦 Canada	1 of 6	<5%
	Eastern Dobsonfly			<5%
8	Monterrey	🇲🇽 México	1 of 6	<5%
	Corydalus luteus			<5%
9	San Antonio	🇺🇸 United States	1 of 6	<5%
	Corydalus luteus			<5%
10	New York City	🇺🇸 United States	1 of 6	<5%
	Eastern Dobsonfly			<5%

American Dobsonflies

Species in this group

Corydalus flavicornis

Western Dobsonfly

Corydalus peruvianus

Eastern Dobsonfly

Corydalus luteus

Corydalus affinis

Daily sighting probability by month

When they're spotted

Where to see American Dobsonflies

Parks Ranked

Cities Ranked