Three new Nearctic species of Systenus with a description of the immature stages from tree cavities (Diptera, Dolichipodidae)

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Mycetophilidae
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Phthinia ramificans
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Phthinia ramificans
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Ectrepesthoneura canadensis
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Ectrepesthoneura canadensis
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Dynatosoma rotundatum
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Dynatosoma occidentale
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Dynatosoma obscurum
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Brachypeza altaica
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Dynatosoma ussuriense
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Dynatosoma bukowskii
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Macrorrhyncha fanjingana
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Macrocera schoutedeni
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Die Dipteren von Steiermark. II Nachtrag
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Tief's dipterologischer Nachlass aus Kärnten und Oesterr-Schlesien
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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith