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Table 2 For each species used for the validation, number of successful identifications, number of descriptors used by end user when the identification was correct, and theoretical number of descriptors following strictly the list of the Xper original sort

From: Development and validation of IIKC: an interactive identification key for Culicoides (Diptera: Ceratopogonidae) females from the Western Palaearctic region

Species Nb of Success Users’ step Nb Xper step
Min Mean Max Sd
C. begueti 3 8 9.3 10 0.9 7*
C. brunnicans 3 3 6 9 2.4 6
C. cameroni 3 3 6.3 9 2.5 5*
C. chiopterus 3 4 6.3 10 2.6 7
C. circumscriptus 4 5 6 8 1.2 5*
C. dewulfi 4 9 9.7 11 0.8 10
C. fascipennis 2 9 9.5 10 0.5 8*
C. fascipennis 1 9 9 9 0 8*
C. festivipennis 4 5 7 10 1.9 6*
C. haranti 3 6 7.3 9 1.2 7*
C. heliophilus 3 7 8 10 1.4 7*
C. imicola 5 4 5.8 8 1.5 6*
C. kibunensis 1 11 11 11 0 9*
C. longipennis 3 5 8.7 11 2.6 7*
C. lupicaris 2 6 7.5 9 1.5 7*
C. minutissimus 3 3 4 5 0.8 5
C. montanus 5 5 6.8 9 1.3 9
C. newsteadi 4 6 8.5 14 3.2 7*
C. nubeculosus 6 3 3.7 5 0.7 5
Obsoletus complex 5 9 9.4 11 0.8 10
Obsoletus complex 3 7 8.3 10 1.2 10
C. paradisionensis 1 8 8 8 0 7*
C. parroti 6 3 4.2 5 0.9 5
C. picturatus 1 7 7 7 0 6*
C. picturatus 3 7 8.7 10 1.2 7*
C. poperinghensis 1 8 8 8 0 7*
C. pulicaris 5 6 7 8 0.9 7*
C. punctatus 5 6 8.4 15 3.3 7*
C. riebi 1 9 9 9 0 8*
C. riethi 3 6 7 8 0.8 6*
C. riouxi 5 4 4.8 5 0.4 6
C. saevus 6 2 3 4 0.8 4
C. segnis 5 3 6.2 8 1.9 6*
C. sejfadinei 5 3 3 3 0 6
C. semimaculatus 6 3 7 8 1.8 6*
C. stigma 3 4 4.3 5 0.5 4*
C. vexans 3 4 7 11 2.9 5*
  1. * mentioned the 25 out of the 37 specimens (68%) would have been correctly identified quicker than following the user’s choices.