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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.