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Nearctic sawflies of the genera Neoptilia Ashmead, Schizocerella Forsius, Aprosthema Konow, and Sphacophilus Provancher...
By Smith D.R.
Trans. Am. Ent. Soc. 97: 537-594
Cite: 929122 with citation markup [cite:929122]
Full title: Nearctic sawflies of the genera Neoptilia Ashmead, Schizocerella Forsius, Aprosthema Konow, and Sphacophilus Provancher (Hymenoptera: Argidae)

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