. Annual report of the Trustees of the State Museum of Natural History for the year ... Science; Museums. Fig. 18.— The Oak-plum gall of Amphibolips prunus. New Generic Reference. In Mr. "W. H. Ashmead's paper on the " Cynipidous Galls of Florida," giving synopses of the described species of North America {loc. cit. sup.), this species is referred to the genus Amphibolips of Eeinhart {Berl. Eat. Zeits., 1865, 10). This is in conformity with the classifica- tion given by Dr. Mayr, in his " Genera der gallenbewohnenden Cyni- piden," published in 1881, based on a special
. Annual report of the Trustees of the State Museum of Natural History for the year ... Science; Museums. Fig. 18.— The Oak-plum gall of Amphibolips prunus. New Generic Reference. In Mr. "W. H. Ashmead's paper on the " Cynipidous Galls of Florida," giving synopses of the described species of North America {loc. cit. sup.), this species is referred to the genus Amphibolips of Eeinhart {Berl. Eat. Zeits., 1865, 10). This is in conformity with the classifica- tion given by Dr. Mayr, in his " Genera der gallenbewohnenden Cyni- piden," published in 1881, based on a special study of the Euroj^ean species and a large number of American forms. It has been accepted in the arrangement and nomenclature of the Gympidce in Mr. Cresson's recent Syaoj^sis of North American Hymenoptera. Description of the Insect. The insect is shown in Fig. 19, in enlargement. Its head is rough; face pubescent; antennse exceeding half the length of the body; thorax coarsely punctate with a conspicuoxis dorsal groove; ab- domen, second joint polished with rather large shallow punctures on its basal three-fourths; joints 3-7, densely cohered with small con- fluent punctures, giving a silvery appearance; legs rufous; tips of tarsi black; wings subhyaline; on j,,^ ,9 _ ^j^e Oak-plum gall Cynips, the front wing, a dark brown Amphibolips peunus. cloud extending from the first cross-vein over the upper portion of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum of Natural History. Albany, N. Y. : The Trustees
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