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Table 3 A summary of 15 morphological measurements of C. obsoletus and C. scoticus that exhibited significant differences between the species from sites in the UK, France and Spain

From: Morphometric discrimination of two sympatric sibling species in the Palaearctic region, Culicoides obsoletus Meigen and C. scoticus Downes & Kettle (Diptera: Ceratopogonidae), vectors of bluetongue and Schmallenberg viruses

Measurement UK France Spain
Bala Devon Landes Calvados Avià Caldes
Start Middle End
Wing length   × × ×   × × ×
Wing width   × ×    × ×  
Costa length   × ×    ×   
Third palp length    ×    ×   
Third palp width × × × × × × × ×
Length of flagella 10 × × ×      
Length of flagella 11       ×   
5 Apical segment length       ×   
8 Basal segment length × × ×   ×   × ×
Larger spermatheca length × × × × × × × ×
Larger spermatheca width × × × × × × × ×
Smaller spermatheca length × × × × × × × ×
Smaller spermatheca width × × × × × × × ×
Chitinous plate length × × × × × × × ×
Chitinous plate width × × × × × × × ×
  1. × indicates a significant difference between the means