Neurosymploca? oligocenica
... that when the extinct forester moth Neurosymploca? oligocenica was described, a second fossil was known but unavailable for study?
... that when the <a class="mw-redirect" href="./Extinct" id="mwAps" rel="mw:WikiLink" title="Extinct">extinct</a> <a href="./Zygaenidae" id="mwApw" rel="mw:WikiLink" title="Zygaenidae">forester moth</a> <i id="mwAp0"><b id="mwAp4"><a href="./Neurosymploca%3F_oligocenica" id="mwAp8" rel="mw:WikiLink" title="Neurosymploca? oligocenica">Neurosymploca? oligocenica</a></b></i> was described, a second fossil was known but unavailable for study?