TABLE 1 in Potamophylax rilaensis sp. nov. (Trichoptera: Limnephilidae), a new species of the Potamophylax winneguthi Species Cluster from Bulgaria

TABLE 1. Diagnostic matrix for distribution, habitat preferences and male genitalia of males of the Potamophylax winneguthi Species Cluster. P. coronavirusP. haidukorumP. idliriP. julianiP. humoinsapiensP. kosovaensisP. rilaensisP. winneguthiForewing length (mm)10 – 11.511 - 1814 - 1515 – 15.814.9 – 15.914.5 – 15.814.5 – 14.914.5 – 15.2DistributionKosovoBosnia and HerzegovinaSerbiaBulgariaKosovoKosovoBulgariaBosnia and Herzegovina, Serbia.HabitatOpen high-altitude spring areas.Forested upstream areas.Forested spring & upstream areasForested upstream areas.Forested upstream areas.Forested spring & upstream areas.Forested spring & upstream areas.Forested spring & upstream areasInferior appendages (lateral view)Distance between apicodorsal and apicoventral tips approximately 25% the length of the ventral margin; dorsal and ventral edges subequal; ventral margin concave (Fig. 3A).Distance between apicodorsal and apicoventral tips approximately 35% the length of the ventral margin; ventral edge longer, sinuate; ventral margin concave (Fig. 3C).Distance between apicodorsal and apicoventral tips approximately 40% the length of the ventral margin; ventral edge longer; ventral margin straight (Fig. 3D).Distance between apicodorsal and apicoventral tips approximately 65% the length of the ventral margin; dorsal and ventral edges subequal; ventral margin medially curved at an angle (Fig. 3H).Distance between apicodorsal and apicoventral tips approximately 65% the length of the ventral margin; ventral edge longer; ventral margin concave (Fig. 3G).Distance between apicodorsal and apicoventral tips approximately 50% the length of the ventral margin; ventral edge longer; ventral margin nearly straight (Fig. 3F).Distance between apicodorsal and apicoventral tips approximately 45% the length of the ventral margin; ventral edge longer; ventral margin concave (Fig. 3E).Distance between apicodorsal and apicoventral tips approximately 35% the length of the ventral margin; ventral edge longer, straight; ventral margin concave (Fig. 3B).Parameres (ventral view)Each paramere widened basally, with apical thirds diverging (Fig. 4A).Each paramere long, slender, sinuous (Fig. 4H).Each paramere equally wide throughout, apical halves diverging (Fig. 4D).Each paramere equally wide throughout and parallel (Fig. 4B).Each paramere widened basally, with apical thirds diverging (Fig. 4F).Each paramere equally wide throughout and parallel (Fig. 4E).Each paramere equally wide throughout, apical halves diverging (Fig. 4C).Each paramere equally wide throughout, diverging from each other from the base (Fig. 4G).Paramere spinesShort spines, about 15% the length of the paramere shaft (Fig. 4A).No spines (Fig. 4H).Spines of different lengths, mostly 35% the length of the paramere shaft (Fig. 4D).Short spines, about 20% the length of the paramere shaft (Fig. 4B).Hair-like spines of equal length, as long as 50% of the paramere shaft (Fig. 4F).Thick spines of different lengths, mostly 40% the length of the paramere shaft (Fig. 4E).Short spines, about 15% the length of the paramere shaft (Fig. 4C).5–7 very thick spines, nearly as long as the paramere shaft (Fig. 4G).