FIGURES 61–66 in New species of the genus Oligoneuriella Ulmer, 1924 (Ephemeroptera: Oligoneuriidae) from Turkey

FIGURES 61–66. Oligoneuriella spp. nov., larvae, gills: 61, O. magna sp. nov., gill plate I (dorsal), marked position of ridge near outer margin; 62a, O. pectinata sp. nov., gill plate IV (ventral), marked position of setae bordering ventral cavity; 62b, O. pectinata sp. nov., closer detail of setae near inner distal margin; 63, O. magna sp. nov., gill plate IV (ventral), marked position of setae bordering ventral cavity; 64a, O. magna sp. nov., detail of setae bordering ventral cavity; 64b, O. magna, closer detail of ultrastructure; 65a, O. paulopilosa sp. nov., detail of setae bordering ventral cavity; 65b, O. paulopilosa sp. nov., closer detail of ultrastructure; 66a, O. pectinata sp. nov., detail of setae bordering ventral cavity; 66b, O. pectinata sp. nov., closer detail of ultrastructure.