On the North American Asilidae (Dasypogoninae, Laphrinae), With a New Genus of Syrphidae [microform]
![On the North American Asilidae (Dasypogoninae, Laphrinae), With a New Genus of Syrphidae [microform]](https://r.kelkoo.com/resize.php?country=se&merchantId=100565793&categoryId=5101&trackingId=96964074&width=300&height=300&image=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F41G-iiPEgQL._SL500_.jpg&sign=ybQYWY1CtM.1COcaRnh1O8o9r4FVduUi4gDTSvYoqRA-)
On the North American Asilidae (Dasypogoninae, Laphrinae), With a New Genus of Syrphidae [microform]
9781014663382
1014663385
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