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Fig. 2. SEM of male antennae, 2,3, & 5. inner view, 4, 6, & 7. lateral view, 2 & 3. Streptocephalus torvicornis torvicornis from Slovakia
(Maly Hores), 3. detail of the digitiform protuberances on peduncle of distal outgrowth, 4-7. S. t. bucheti, 4 & 5. from Yemen (Kutab), 6. from
Algeria (Guelta Addessei), and 7. from Spain (Zaragoza).
Fig. 2. SEM of male antennae, 2,3, & 5. inner view, 4, 6, & 7. lateral view, 2 & 3. Streptocephalus torvicornis torvicornis from Slovakia
(Maly Hores), 3. detail of the digitiform protuberances on peduncle of distal outgrowth, 4-7. S. t. bucheti, 4 & 5. from Yemen (Kutab), 6. from
Algeria (Guelta Addessei), and 7. from Spain (Zaragoza).