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Flyfishing Entomology
N. American Mayfly Species Query
Data field
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Family
(always)
Scientific name
(always)
Genus
Species
Previously classified as
Common name
Distribution
Map
Table
Canadian region
FN
NE
NW
Mexican region
SW
FS
USA region
FN
NE
SE
NW
SW
Central American country
BEL
COS
GUA
HON
NIC
PAN
SAL
Canadian province
AB
BC
MB
NB
NL
NS
NT
NU
ON
PE
QC
SK
YT
Mexican state
AG
CL
CM
CP
DF
DU
GJ
GR
HI
JA
MC
MR
MX
NA
OA
PU
QE
QR
SI
SL
TB
TL
TM
VE
YU
ZA
USA state
AK
AL
AR
AZ
CA
CO
CT
DE
FL
GA
HI
IA
ID
IL
IN
KS
KY
LA
MA
MD
ME
MI
MN
MO
MS
MT
NC
ND
NE
NH
NJ
NM
NV
NY
OH
OK
OR
PA
RI
SC
SD
TN
TX
UT
VA
VT
WA
WI
WV
WY
Habitat
Voltinism
Emergence start date
Emergence end date
Emergence time of day
Spinner fall time of day
Nymph minimum (mature) length
Nymph maximum (mature) length
Nymph Id
Nymph body
Nymph legs
Nymph gills
Nymph tusks
Nymph tails
Dun minimum body length
Dun maximum body length
Dun identification keys
Dun body
Dun wings
Dun legs
Dun tails
Spinner identification keys
Spinner minimum body length
Spinner maximum body length
Spinner body
Spinner wings
Spinner legs
Spinner tails
Observed in winged form on date
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Est. body length in winged form
02 mm. #28
03 mm. (~1/8 in.) #26
04 mm. #24
05 mm. #20
06 mm. (~1/4 in.) #18
07 mm. #16
08 mm.
09 mm. (~3/8 in.) #14
10 mm.
11 mm. #12
12 mm. (~1/2 in.) #10
13 mm. #8
14 mm.
15 mm. (~5/8 in.)
16 mm.
17 mm.
18 mm. (~3/4 in.)
19 mm.
20 mm.
21 mm. (~7/8 in.)
22 mm.
23 mm.
24 mm.
25 mm. (~1 in.)
26 mm.
27 mm.
28 mm. (~1 1/8 in.)
29 mm.
30 mm.
31 mm. (~1 1/4 in.)
32 mm.
33 mm.
34 mm. (~1 3/8 in.)
35 mm.
36 mm.
37 mm. (~1 1/2 in.)
(not incl. tails)
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Created: 05/02/2009 Last modified: 07/16/2017 www.FlyfishingEntomology.com