PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM SMITHSONIAN INSTITUTION U. S. NATIONAL MUSEUM Vol. 107 Washington: 1957 No. 3384 NEW AMERICAN CYNIPID WASPS FROM OAK GALLS By Lewis H. Weld Tweiit3^-tlu-ee new species of cynipids are described herein; two are inquilines, while the others are gall makers. Twenty-one of these new species are from the United States, but two of the gall makers are from Mexico. Types of the 23 new species are deposited in the U. S. National Museum. Paratypes are in institutions designated by the following abbreviations : AM: American Museum of Natural History. CM: Chicago Museum of Natural History. CA: California Academy of Sciences. PA: Academy of Natural Sciences of Philadelphia. C: Cornell University. MCZ: Museum of Comparative Zoology. Genus Synergus Hartig Synergus magnificus, new species Female: Thorax black; head, except above antennae and on occiput, light-colored like legs and antennae; abdomen black or sometimes reddish. Vertex punctate, cheeks not broadened behind eyes, antennae 14-segmentcd, tapering to tip. Mesoscutum rugoso-coriaceous with a suggestion of transverse sculpture in low relief, 107
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