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Table 4 A summary of eight ratios derived from 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

Ratio UK France Spain
Bala Devon Landes Calvados Avià Caldes
Start Middle End
Wing ratio   ×       
Costa ratio × ×    ×   × ×
Palp ratio × × × × × × × ×
Segment ratio × × × × × × × ×
Flagella ratio × × × × × × × ×
Larger spermatheca ratio × × × × ×   × ×
Smaller spermatheca ratio × × × × ×   × ×
Chitinous plate ratio × × × × × × × ×
  1. × indicates a significant difference between the means within each region