FIGURE 4. Alona lepida Birge, 1982 in Cladocerans of Alona affinis group (Cladocera: Anomopoda: Chydoridae) from North America

FIGURE 4. Alona lepida Birge, 1982 from White lake, Blanden County, North Carolina, USA, A, juvenile female of instar I. B–D, juvenile female of instar II. B, lateral view. C, head shield. D, head pores. E–K, adult parthenogenetic female. E, lateral viev. F, posteroventral corner of valves. G–H, head shields. I–J, head pores. K, abnormal head pores. Scale bar: 0.2 mm for A– C, E, G–H, 0.1 mm for D, I–K, 0.05 mm for F.