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

Table 5 Measurement (average ± standard deviation) of the length of female wings and spermatheca

Species		Length of wing (μm)		Lengths of spermatheca (μm)			Spermatheca ratio (S/R)		Head proboscis ratio (H/P)
	N ₂		N ₁	1	2	3		N ₁
*C. pulicaris*	19	1626 ± 67^C	10	74 ± 5	61 ± 5	22 ± 4	1.21 ± 0.08^A	10	1.19 ± 0.04 ^B
*C. punctatus*	20	1519 ± 10^B	9	74 ± 7	62 ± 4	19 ± 3	1.19 ± 0.08^A	10	1.19 ± 0.07 ^B
*C. boyi*	22	1641 ± 10^C	5	74 ± 6	68 ± 6	23 ± 4	1.05 ± 0. 3^B	11	1.29 ± 0.07 ^A
*C. deltus*	10	1788 ± 12 ^A	5	72 ± 4	67 ± 5	28 ± 5	1.07 ± 0.05^B	5	1.19 ± 0.05 ^B
*C. newsteadi*	10	1291 ± 12^D	4	69 ± 6	66 ± 4	19 ± 6	1.04 ± 0.02^B	5	1.32 ± 0.13 ^A
*C. selandicus*	7	1339 ± 33 ^D	ND	ND	ND	ND	ND	4	1.16 ± 0.06 ^CB
*C. impunctatus*	9	1239 ± 13 ^D	5	56 ± 7	52 ± 10	15 ± 6	1.10 ± 0.11^B	6	1.30 ± 0.04 ^A
*C. grisescens*	10	1841 ± 12 ^A	5	87 ± 3	83 ± 1	33 ± 3	1.05 ± 0.02^B	5	1.03 ± 0.04 ^C
*C. kalix*	10	1423 ± 39 ^E	5	75 ± 8	64 ± 6	20 ± 4	1.17 ± 0.08^A	5	1.29 ± 0.07 ^A

Spermatheca ratio (S/R). The ratio of head divide by proboscis (H/P). N₁ = number of specimens; N₂ = number counted. ND = not determined. Means with the same letters are not significant different.