FIGURES 18–22 in Description of the immature stages of Sigara (Tropocorixa) schadei (Hungerford) (Hemiptera: Heteroptera: Corixidae)

FIGURES 18–22. Sigara (Tropocorixa) schadei. 18, mesoleg, instar I, anterior surface. 19, mesotibia and mesotarsus, instar I, posterior surface. 20–21, metaleg, anterior surface: 20, instar I; 21, instar III. 22, metafemur and metatibia, instar V, anterior surface. A: anterior; AD: anterodorsal; AV: anteroventral; LA: lower area; MA: middle area; P: posterior; PD: posterodorsal; PV: posteroventral; TC: tibial comb; UA: upper area; V: ventral. Scale bars (in mm): Figs. 18–19= 0.30, Figs. 20–21 = 0.40, Fig. 22 = 0.60.