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Maccaffertium vicarium / rivulicolum
This is a Maccaffertium vicarium / rivulicolum male. The difference between rivulicolum and true vicarium is in the shape of the cylpeus. in a proper full vicarium the clypeus is elongated see figure 21,22,and 23 Biosystematics 1979. This was dissected with Dr Jeff Webb and even though this is a rivulicolum it had vicarium genitals. http://www.ephemeroptera-galactica.com/p...
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