61. a) Middle basitarsus with protruberance on ventral side narrow and keel-shaped (Figure 83a) ..... M. (Xanthosarus) perihirta Cockerell

b) Middle basitarsus with protruberance on ventral side robust, quadrate and polished (Figure 83b) ..... M. (Xanthosarus) latimanus Say
Figure 83a
Figure 83b

Figure 83a: Middle basitarsus with ventral protruberance keel-shaped
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Figure 83b: Middle basitarsus with ventral protruberance quadrate
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