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Maryland Checklist - Category: Mayflies - all-time (Total: 100)
Filter by tag...
Show All
Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
No Common Name
Potamanthus
sp.
0
Mayflies
Potamanthidae
Ephemeroptera
Insecta
Animalia
2
No Common Name
Leucrocuta
walshi
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
3
No Common Name
Leucrocuta
juno
3
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
4
No Common Name
Maccaffertium
meririvulanum
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
5
No Common Name
Hexagenia
rigida
1
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
6
No Common Name
Callibaetis
ferrugineus
ferrugineus
8
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
7
No Common Name
Ephemerella
excrucians
2
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
8
No Common Name
Nixe
rusticalis
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
9
Dark Cahill
Stenonema
femoratum
7
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
10
No Common Name
Maccaffertium
mexicanum
0
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
11
No Common Name
Cloeon
dipterum
5
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
12
No Common Name
Baetis
flavistriga
1
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
13
No Common Name
Callibaetis
pretiosus
3
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
14
No Common Name
Stenacron
candidum
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
15
No Common Name
Anthopotamus
sp.
1
Mayflies
Potamanthidae
Ephemeroptera
Insecta
Animalia
16
No Common Name
Stenacron
interpunctatum
36
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
17
No Common Name
Hexagenia
atrocaudata
2
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
18
No Common Name
Caenis
latipennis
0
Mayflies
Caenidae
Ephemeroptera
Insecta
Animalia
19
Little Dark Hendrickson
Ephemerella
needhami
12
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
20
No Common Name
Callibaetis
floridanus
8
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
21
Dark Green Drake
Litobrancha
recurvata
0
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
22
No Common Name
Acerpenna
pygmaea
1
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
23
No Common Name
Leptohyphes
sp.
0
Mayflies
Leptohyphidae
Ephemeroptera
Insecta
Animalia
24
No Common Name
Procloeon
nelsoni
2
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
25
No Common Name
Maccaffertium
pudicum
25
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
26
Golden Drake
Anthopotamus
distinctus
2
Mayflies
Potamanthidae
Ephemeroptera
Insecta
Animalia
27
No Common Name
Leucrocuta
hebe
4
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
28
Eastern Green Drake
Ephemera
guttulata
1
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
29
No Common Name
Baetisca
gibbera
0
Mayflies
Baetiscidae
Ephemeroptera
Insecta
Animalia
30
No Common Name
Habrophlebia
vibrans
0
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
31
No Common Name
Ephemerella
dorothea
dorothea
7
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
32
No Common Name
Anthopotamus
myops
1
Mayflies
Potamanthidae
Ephemeroptera
Insecta
Animalia
33
No Common Name
Leptophlebia
intermedia
2
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
34
No Common Name
Acentrella
turbida
2
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
35
No Common Name
Ephemerella
catawba
0
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
36
Early Brown Spinner
Leptophlebia
cupida
22
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
37
No Common Name
Nixe
lucidipennis
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
38
No Common Name
Ameletus
ludens
0
Mayflies
Ameletidae
Ephemeroptera
Insecta
Animalia
39
No Common Name
Baetisca
obesa
2
Mayflies
Baetiscidae
Ephemeroptera
Insecta
Animalia
40
No Common Name
Maccaffertium
luteum
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
41
No Common Name
Eurylophella
temporalis
0
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
42
No Common Name
Paraleptophlebia
moerens
0
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
43
No Common Name
Leucrocuta
aphrodite
12
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
44
No Common Name
Diphetor
hageni
9
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
45
Small Blue-winged Olive
Drunella
walkeri
1
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
46
No Common Name
Maccaffertium
mediopunctatum
arwini
9
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
47
No Common Name
Hexagenia
limbata
8
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
48
No Common Name
Siphloplecton
sp.
0
Mayflies
Metretopodidae
Ephemeroptera
Insecta
Animalia
49
No Common Name
Epeorus
pleuralis
2
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
50
No Common Name
Isonychia
sicca
0
Mayflies
Isonychiidae
Ephemeroptera
Insecta
Animalia
51
Dark Hendrickson
Ephemerella
subvaria
5
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
52
No Common Name
Heptagenia
sp.
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
53
No Common Name
Ephoron
leukon
1
Mayflies
Polymitarcyidae
Ephemeroptera
Insecta
Animalia
54
No Common Name
Epeorus
vitreus
5
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
55
No Common Name
Eurylophella
bicolor
1
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
56
Little Blue-winged Olive
Baetis
tricaudatus
2
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
57
No Common Name
Maccaffertium
terminatum
11
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
58
No Common Name
Acentrella
sp.
5
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
59
No Common Name
Caenis
anceps
0
Mayflies
Caenidae
Ephemeroptera
Insecta
Animalia
60
No Common Name
Siphlonurus
sp.
3
Mayflies
Siphlonuridae
Ephemeroptera
Insecta
Animalia
61
No Common Name
Heptagenia
marginalis
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
62
No Common Name
Baetis
brunneicolor
1
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
63
No Common Name
Isonychia
bicolor
51
Mayflies
Isonychiidae
Ephemeroptera
Insecta
Animalia
64
No Common Name
Callibaetis
skokianus
7
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
65
No Common Name
Maccaffertium
mediopunctatum
28
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
66
No Common Name
Maccaffertium
bednariki
2
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
67
No Common Name
Ephemera
blanda
9
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
68
No Common Name
Leucrocuta
minerva
7
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
69
No Common Name
Anthopotamus
myops
1
Mayflies
Potamanthidae
Ephemeroptera
Insecta
Animalia
70
No Common Name
Choroterpes
sp.
0
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
71
No Common Name
Maccaffertium
vicarium
9
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
72
No Common Name
Tricorythodes
robacki
0
Mayflies
Leptohyphidae
Ephemeroptera
Insecta
Animalia
73
Speith's Great Speckled Olive Mayfly
Siphloplecton
costalense
0
Mayflies
Metretopodidae
Ephemeroptera
Insecta
Animalia
74
No Common Name
Callibaetis
fluctuans
1
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
75
No Common Name
Stenacron
carolina
6
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
76
Tapered Spiny Crawler Mayfly
Attenella
attenuata
1
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
77
No Common Name
Habrophlebiodes
americana
8
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
78
No Common Name
Maccaffertium
modestum
59
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
79
Walker's Tusked Sprawler
Anthopotamus
verticis
2
Mayflies
Potamanthidae
Ephemeroptera
Insecta
Animalia
80
No Common Name
Maccaffertium
smithae
2
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
81
No Common Name
Maccaffertium
ithaca
0
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
82
No Common Name
Plauditus
cestus
2
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
83
No Common Name
Baetisca
carolina
0
Mayflies
Baetiscidae
Ephemeroptera
Insecta
Animalia
84
No Common Name
Paraleptophlebia
guttata
0
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
85
No Common Name
Maccaffertium
pulchellum
10
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
86
No Common Name
Centroptilum
sp.
0
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
87
No Common Name
Eurylophella
minimella
2
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
88
No Common Name
Nixe
inconspicua
2
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
89
No Common Name
Caenis
hilaris
0
Mayflies
Caenidae
Ephemeroptera
Insecta
Animalia
90
No Common Name
Paraleptophlebia
praepedita
0
Mayflies
Leptophlebiidae
Ephemeroptera
Insecta
Animalia
91
No Common Name
Baetis
intercalaris
3
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
92
No Common Name
Pseudocloeon
propinguum
0
Mayflies
Baetidae
Ephemeroptera
Insecta
Animalia
93
Hornless Spiny Crawler Mayfly
Drunella
lata
1
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
94
No Common Name
Isonychia
arida
2
Mayflies
Isonychiidae
Ephemeroptera
Insecta
Animalia
95
No Common Name
Eurylophella
funeralis
6
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
96
No Common Name
Ephoron
album
0
Mayflies
Polymitarcyidae
Ephemeroptera
Insecta
Animalia
97
No Common Name
Ephemerella
invaria
14
Mayflies
Ephemerellidae
Ephemeroptera
Insecta
Animalia
98
Yellow Drake
Ephemera
varia
2
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
99
No Common Name
Epeorus
fragilis
1
Mayflies
Heptageniidae
Ephemeroptera
Insecta
Animalia
100
No Common Name
Hexagenia
bilineata
10
Mayflies
Ephemeridae
Ephemeroptera
Insecta
Animalia
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