Description: Detail of illustration from British Entomology: illustrations and descriptions of the genera of insects found in Great Britain and Ireland (1824–1840). Date: before 1840 date QS:P,+1840-00-00T00:00:00Z/7,P1326,+1840-00-00T00:00:00Z/9. Source: [1], linked from http://delta-intkey.com/britin/dip/www/piophili.htm. Author: John Curtis. Permission(Reusing this file): Author died 1862, PD.
CBG Photography Group. Centre for Biodiversity Genomics. CBG Photography Group. Year: 2019. Contact: collectionsBIO@gmail.com.
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