An illustration from <i>British Entomology</i> by John Curtis.  Diptera: <i><a href="//commons.wikimedia.org/w/index.php?title=Pachygaster_leachii&amp;action=edit&amp;redlink=1" class="new" title="Pachygaster leachii (page does not exist)">Pachygaster leachii</a></i> (Leachian Pachygaster).The plant is <i>Viola odorata</i> (White Sweet Violet)
John Curtis
1820s <div style="display: none;">date QS:P,+1820-00-00T00:00:00Z/8</div>
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