Proceedings of the United States National Museum . Figure 57.—OphIoninae:Cremastini, head sclerites: a, Pristomerus vulnerator (Panzer);B, Xiphosomella stenomae Cushman; c, Zaleptopygus flavo-orbitalis (Cameron). (1,antenna; 2, spiracle; 3, skin.) 494 PROCEEDINGS OF THE NATIONAL MUSEUM vol. no. O -1 mm

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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience