Plate XXIV, Figs L.1–L.3 – Perla bipunctata in the works of Pictet (1833, 1842). L.1, nymph of Perla bipunctata (Pictet 1833: his plate 5, Fig. 12); L.2, nymph of Perla bipunctata (Pictet 1842: his plate 11, Fig. 1); L.3, adult ♂ of Perla bipunctata (Pictet 1842: his plate 12, Fig. 3). in Steps towards a revision of the Perla bipunctata Pictet, 1833 species complex (Plecoptera: Perlidae)

Plate XXIV, Figs L.1–L.3 – Perla bipunctata in the works of Pictet (1833, 1842). L.1, nymph of Perla bipunctata (Pictet 1833: his plate 5, Fig. 12); L.2, nymph of Perla bipunctata (Pictet 1842: his plate 11, Fig. 1); L.3, adult ♂ of Perla bipunctata (Pictet 1842: his plate 12, Fig. 3).