FIGURE 2 in Riberazantaena, a new hydraenid genus from the Eastern Arc Mountains of Tanzania (Coleoptera, Hydraenidae)

FIGURE 2. Aedeagi of A) Protozantaena labrata, modified from Perkins (2009); B) Protozantaena palpalis, modified from Perkins (2009); C) Riberazantaena grebennikovi, Uluguru Mountains, Tanzania; D) Riberazantaena latissima sp. nov., Chome Forest, South Pare Mountains, Tanzania. Scale bar = 0.1 mm. Note that the flagella of P. labrata and Riberazantaena spp. are flexible, meaning that curvature etc. is not diagnostic.