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Table 1

Variables measured in the different mouthparts of Cloeon dipterum (Linnaeus, 1761), with their respective acronyms. SD: standard deviation, MIN: minimum, MAX: maximum.

VARIABLE ACRONYMS MEAN ± SD MIN–MAX
HEAD      
width 1 (μm) hw1 708.63 ± 44.37 664.26–752.99
width 2 (μm) hw2 1032.28 ± 77.72 954.56–1110.00
width 3 (μm) hw3 679.21 ± 133.38 545.83–812.59
long (μm) hl 1155.64 ± 105.93 1049.71–1261.56
area (μm2) ha 4381.31 ± 826.41 3554.90–5207.72
LABRUM      
width (μm) lw 388.00 ± 22.97 365.03–410.96
long 1 (μm) ll1 267.98 ± 14.51 253.46–282.49
long 2 (μm) ll2 228.63 ± 18.24 210.39–246.88
long 3 (μm) ll3 264.52 ± 17.22 247.30–281.73
area (μm2) la 373.07 ± 17.31 355.77–390.38
RIGHT MANDIBLE      
width (μm) rmdw 641.09 ± 62.72 578.37–703.80
long (μm) rmdl 307.04 ± 37.00 270.04–344.04
area (μm2) rmda 595.74 ± 57.78 537.96–653.52
molar surface (μm) rmdmos 222.20 ± 16.18 206.02–238.38
LEFT MANDIBLE      
width (μm) lmdw 642.92 ± 54.52 588.40–697.44
long (μm) lmdl 321.44 ± 43.88 277.56–365.32
area (μm2) lmda 601.45 ± 38.17 563.29–639.62
molar surface (μm) lmdmos 215.52 ± 20.77 194.75–236.29
HYPOPHARYNX      
superlingua width (μm) hsw 153.50 ± 20.32 133.18–173.82
superlingua long (μm) hsl 279.70 ± 32.20 247.50–311.90
superlingua area (μm2) hsa 206.32 ± 19.86 186.46–226.18
lingua width (μm) liw 170.22 ± 17.79 152.42–188.01
lingua long (μm) lil 268.65 ± 46.75 221.90–315.40
lingua area (μm2) lia 211.67 ± 27.66 184.00–239.33
MAXILLA      
long (μm) mxl 205.19 ± 14.48 190.72–219.67
area (μm2) mxa 203.80 ± 22.10 181.70–225.90
Maxillary palps      
width1 (μm) mpw1 47.17 ± 6.83 40.34–53.99
width 2 (μm) mpw2 43.01 ± 4.80 38.21–47.81
width 3 (μm) mpw3 35.63 ± 5.41 30.22–41.04
long 1 (μm) mpl1 204.43 ± 23.18 181.25–227.62
long 2 (μm) mpl2 189.96 ± 19.31 170.65–209.26
long 3 (μm) mpl3 133.54 ± 24.00 109.54–157.54
area 1 (μm2) mpa1 151.15 ± 14.40 136.76–165.55
area 2 (μm2) mpa2 138.47 ± 15.02 123.45–153.49
area 3 (μm2) mpa3 95.03 ± 14.16 80.87–109.19
LABIUM      
long (μm) lal 298.03 ± 45.84 252.19–343.87
total area (μm2) lata 1615.28 ± 104.74 1510.54–1720.02
Glossae      
width (μm) gw 76.75 ± 5.73 71.01–82.48
long (μm) gl 188.00 ± 19.47 168.54–207.47
area (μm2) ga 140.26 ± 11.79 128.47–152.05
Paraglossae      
width (μm) pw 73.99 ± 5.41 68.58–79.40
long (μm) pl 237.58 ± 19.54 218.04–257.12
area (μm2) pa 171.55 ± 14.09 157.46–185.64
Labial palps      
width 1 (μm) lpw1 117.48 ± 9.42 108.06–126.89
width 2 (μm) lpw2 104.89 ± 9.69 95.20–114.59
width 3 (μm) lpw3 141.36 ± 5.72 135.64–147.08
long 1 (μm) lpl1 271.87 ± 21.91 249.96–293.78
long 2 (μm) lpl2 180.75 ± 28.12 152.63–208.87
long 3 (μm) lpl3 138.52 ± 17.44 121.08–155.95
area 1 (μm2) lpa1 226.86 ± 24.60 202.26–251.46
area 2 (μm2) lpa2 182.28 ± 18.28 164.01–200.56
area 3 (μm2) lpa3 160.96 ± 15.85 145.11–176.82

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