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Table 4 Measurement (average ± standard deviation) of the length of female maxillary palp (μm) segments 2 to 5 and calculation of the palp ratio (P-R)

From: Delineation of Culicoides species by morphology and barcode exemplified by three new species of the subgenus Culicoides (Diptera: Ceratopogonidae) from Scandinavia

Species

N 1

N 2

2

3

4

5

Total (μm)

P/R

P 3/2

C. pulicaris

10

19

99

83

36

38

255.6 ± 14.3D

2.9 ± 0.2A

0.84 ± 0.05C

C. punctatus

10

20

83

82

34

35

234.3 ± 15.9F

2.9 ± 0.2A

0.98 ± 0.04B

C. boyi

11

21

86

89

36

35

245.1 ± 17.7 E

2.9 ± 0.3A

1.04 ± 0.11E

C. deltus

5

10

109

93

40

45

288.1 ± 22.4B

3.0 ± 0.1A

0.85 ± 0.03C

C. newsteadi

5

9

66

74

25

29

193.6 ± 18.7 C

2.6 ± 0.2D

1.11 ± 0.10D

C. selandicus

4

8

80

77

30

30

216.8 ± 8.6A

3.2 ± 0.3B

0.96 ± 0.06B

C. impunctatus

6

12

64

58

30

33

184.5 ± 16.0C

2.9 ± 0.2A

0.90 ± 0.07A

C. grisescens

5

10

104

113

44

45

305.7 ± 16.3B

3.9 ± 0.3BC

1.09 ± 0.13ED

C. kalix

5

10

75

65

31

41

212.4 ± 4.0A

2.9 ± 0.2A

0.87 ± 0.08CA

  1. PR: Length of segment 3 divide by width. P 3/2: Length of third segment divided by length of second segment of the maxillary palp. N1 = number of specimens; N2 = number counted. Means with the same letters are not significant different.