Family

Dobsonflies and Fishflies

Corydalidae

24 species in our catalog · found in 34 parks

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

Species in this group

Corydalus flavicornis

Daily sighting probability ~40% · Likely

Endemic

Archichauliodes diversus

Daily sighting probability ~30% · Possible

Platyneuromus reflexus

Daily sighting probability ~20% · Possible

Corydalus texanus

Daily sighting probability ~20% · Possible

Corydalus peruvianus

Daily sighting probability ~20% · Possible

Chloronia corripiens

Daily sighting probability ~20% · Possible

Corydalus cornutus

Daily sighting probability ~20% · Possible

Chauliodes pectinicornis

Daily sighting probability ~20% · Possible

Nevromus gloriosoi

Daily sighting probability ~10% · With luck

Nevromus testaceus

Daily sighting probability ~10% · With luck

Chloronia mexicana

Daily sighting probability ~10% · With luck

Chauliodes rastricornis

Daily sighting probability ~10% · With luck

Nigronia serricornis

Daily sighting probability ~10% · With luck

Platyneuromus soror

Daily sighting probability ~10% · With luck

Orohermes crepusculus

Daily sighting probability ~10% · With luck

Chloronia mirifica

Daily sighting probability ~10% · With luck

Corydalus luteus

Daily sighting probability ~10% · With luck

Archichauliodes neoguttiferus

Daily sighting probability ~10% · With luck

Corydalus affinis

Daily sighting probability ~10% · With luck

Nigronia fasciata

Daily sighting probability ~10% · With luck

Dysmicohermes disjunctus

Daily sighting probability ~10% · With luck

Neohermes filicornis

Daily sighting probability ~10% · With luck

Neohermes californicus

Daily sighting probability ~10% · With luck

Taeniochauliodes fuscus

Daily sighting probability <5% · Rare

See all 24 species Show fewer

Daily sighting probability by month

Probability-weighted average across the group's species

~10%

Jan

~10%

Feb

~10%

Mar

~10%

Apr

~10%

May

~20%

Jun

~10%

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 Dobsonflies and Fishflies

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	2 of 24	~50%
	Corydalus flavicornis			~40%
	Chloronia mexicana			~10%
2	Great Smoky Mountains National Park	🇺🇸 United States	4 of 24	~30%
	Eastern Dobsonfly			~20%
	Saw-Combed Fishfly			~10%
	Banded Dark Fishfly			~10%
	Summer Fishfly			~10%
3	Egmont National Park	🇳🇿 New Zealand	1 of 24	~30%
	New Zealand Dobsonfly			~30%
4	Shenandoah National Park	🇺🇸 United States	3 of 24	~30%
	Eastern Dobsonfly			~10%
	Saw-Combed Fishfly			~10%
	Summer Fishfly			~10%
5	Arenal Volcano National Park	🇨🇷 Costa Rica	4 of 24	~30%
	Corydalus peruvianus			~10%
	Chloronia mirifica			~10%
	Corydalus luteus			~10%
	Corydalus flavicornis			~10%
6	Cusuco National Park	🇭🇳 Honduras	1 of 24	~20%
	🦋 Platyneuromus reflexus			~20%
7	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	2 of 24	~20%
	Corydalus peruvianus			~20%
	Platyneuromus soror			<5%
8	Zion National Park	🇺🇸 United States	1 of 24	~20%
	Western Dobsonfly			~20%
9	Acadia National Park	🇺🇸 United States	3 of 24	~20%
	Summer Fishfly			~10%
	Spring Fishfly			~10%
	Saw-Combed Fishfly			~10%
10	Itatiaia National Park	🇧🇷 Brazil	1 of 24	~20%
	Chloronia corripiens			~20%
11	Congaree National Park	🇺🇸 United States	1 of 24	~20%
	Summer Fishfly			~20%
12	Grand Canyon National Park	🇺🇸 United States	1 of 24	~10%
	Western Dobsonfly			~10%
13	Chirripó National Park	🇨🇷 Costa Rica	1 of 24	~10%
	Corydalus peruvianus			~10%
14	Cumbres de Monterrey National Park	🇲🇽 Mexico	2 of 24	~10%
	Platyneuromus soror			~10%
	Corydalus luteus			~10%
15	Kinabalu Park	🇲🇾 Malaysia	1 of 24	~10%
	Nevromus gloriosoi			~10%
16	Sequoia and Kings Canyon National Parks	🇺🇸 United States	2 of 24	~10%
	Western Dobsonfly			~10%
	Orohermes crepusculus			~10%
17	Gunung Leuser National Park	🇮🇩 Indonesia	1 of 24	~10%
	Nevromus testaceus			~10%
18	Piedras Blancas National Park	🇨🇷 Costa Rica	1 of 24	~10%
	Corydalus flavicornis			~10%
19	Point Pelee National Park	🇨🇦 Canada	1 of 24	~10%
	Spring Fishfly			~10%
20	Yosemite National Park	🇺🇸 United States	2 of 24	~10%
	Orohermes crepusculus			~10%
	Neohermes californicus			~10%
21	Abel Tasman National Park	🇳🇿 New Zealand	1 of 24	~10%
	New Zealand Dobsonfly			~10%
22	Fiordland National Park	🇳🇿 New Zealand	1 of 24	~10%
	New Zealand Dobsonfly			~10%
23	Redwood National Park	🇺🇸 United States	1 of 24	~10%
	Orohermes crepusculus			~10%
24	Springbrook National Park	🇦🇺 Australia	1 of 24	~10%
	Archichauliodes neoguttiferus			~10%
25	Manu National Park	🇵🇪 Peru	1 of 24	~10%
	Corydalus affinis			~10%
26	Lamington National Park	🇦🇺 Australia	1 of 24	~10%
	Archichauliodes neoguttiferus			~10%
27	Great Bear Rainforest	🇨🇦 Canada	1 of 24	~10%
	Dysmicohermes disjunctus			~10%
28	La Amistad International Park (Panama)	🇵🇦 Panama	1 of 24	~10%
	Corydalus peruvianus			~10%
29	Channel Islands National Park	🇺🇸 United States	1 of 24	~10%
	Neohermes filicornis			~10%
30	Merritt Island National Wildlife Refuge	🇺🇸 United States	1 of 24	~10%
	Spring Fishfly			~10%
31	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	1 of 24	~10%
	Corydalus peruvianus			~10%
32	Olympic National Park	🇺🇸 United States	1 of 24	<5%
	Dysmicohermes disjunctus			<5%
33	Saguaro National Park	🇺🇸 United States	1 of 24	<5%
	Neohermes filicornis			<5%
34	Table Mountain National Park	🇿🇦 South Africa	1 of 24	<5%
	🦋 Table Mountain Fishfly			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Washington	🇺🇸 United States	3 of 24	~10%
	Eastern Dobsonfly			~10%
	Summer Fishfly			<5%
	Spring Fishfly			<5%
2	Minneapolis [Saint Paul]	🇺🇸 United States	2 of 24	~10%
	Spring Fishfly			<5%
	Eastern Dobsonfly			<5%
3	Baltimore	🇺🇸 United States	1 of 24	~10%
	Eastern Dobsonfly			~10%
4	Toronto	🇨🇦 Canada	3 of 24	~10%
	Saw-Combed Fishfly			<5%
	Spring Fishfly			<5%
	Summer Fishfly			<5%
5	New York City	🇺🇸 United States	3 of 24	~10%
	Spring Fishfly			<5%
	Summer Fishfly			<5%
	Eastern Dobsonfly			<5%
6	Boston	🇺🇸 United States	2 of 24	~10%
	Spring Fishfly			<5%
	Summer Fishfly			<5%
7	Dallas	🇺🇸 United States	2 of 24	~10%
	Eastern Dobsonfly			<5%
	Spring Fishfly			<5%
8	Montreal	🇨🇦 Canada	2 of 24	~10%
	Eastern Dobsonfly			<5%
	Spring Fishfly			<5%
9	Panama City	🇵🇦 Panama	1 of 24	<5%
	Corydalus luteus			<5%
10	Detroit	🇺🇸 United States	1 of 24	<5%
	Spring Fishfly			<5%
11	Austin	🇺🇸 United States	1 of 24	<5%
	Eastern Dobsonfly			<5%
12	Orlando	🇺🇸 United States	1 of 24	<5%
	Spring Fishfly			<5%
13	Monterrey	🇲🇽 México	1 of 24	<5%
	Corydalus luteus			<5%
14	Houston	🇺🇸 United States	1 of 24	<5%
	Spring Fishfly			<5%
15	Chicago	🇺🇸 United States	1 of 24	<5%
	Spring Fishfly			<5%
16	Auckland	🇳🇿 New Zealand	1 of 24	<5%
	New Zealand Dobsonfly			<5%
17	San Antonio	🇺🇸 United States	1 of 24	<5%
	Corydalus luteus			<5%
18	Vancouver	🇨🇦 Canada	1 of 24	<5%
	Dysmicohermes disjunctus			<5%
19	Los Angeles	🇺🇸 United States	1 of 24	<5%
	Neohermes filicornis			<5%

Dobsonflies and Fishflies

Species in this group

Corydalus flavicornis

New Zealand Dobsonfly

Platyneuromus reflexus

Western Dobsonfly

Corydalus peruvianus

Chloronia corripiens

Eastern Dobsonfly

Summer Fishfly

Nevromus gloriosoi

Nevromus testaceus

Chloronia mexicana

Spring Fishfly

Saw-Combed Fishfly

Platyneuromus soror

Orohermes crepusculus

Chloronia mirifica

Corydalus luteus

Archichauliodes neoguttiferus

Corydalus affinis

Banded Dark Fishfly

Dysmicohermes disjunctus

Neohermes filicornis

Neohermes californicus

Table Mountain Fishfly

Daily sighting probability by month

When they're spotted

Where to see Dobsonflies and Fishflies

Parks Ranked

Cities Ranked