Callirhytis gemmiformis (agamic)

Amphibolips niger (agamic)

Dryocosmus floridensis (agamic)

Callirhytis myrtifoliae (sexgen)

Andricus gemmiformis

On the trunk of the white oak (Quercus alba), May-October. Monothalamous. Green, sometimes tinged with red. Bud-shaped, elongate, pointed at the apex, thin-walled when mature and hollow inside and containing no separate larval chamber. When young it is more solid. Length 3-4 mm.

Habitat: Fort Lee district, New Jersey; Woodlawn, NYC

The gall is found on the trunk of large white oak, where the same is gnarly and young shoots sprout forth. It is imbedded in a cavity and may be easily removed. The gall looks exactly like the bud of a young sprout, and may be readily mistaken for such and overlooked. I have found fully developed galls May 30th and in June, and also late in October, 1915. One female emerged in October, 1915, from a gall collected in May, 1915, and one female in May, 1916, from a gall taken in October, 1915. Mr. L. H. Weld has also taken the gall at Evanston, Illinois. The male is unknown. 

Amphibolips nigra Beutenmuller

Gall.--On the twigs of a species of oak; monothalamous; densely wooley and about the size of a small peach, and also somewhat the colour of this fruit, especially those on the trees suffering from peach-yellows, probably white when fresh and tinged with pink. It contains a hard, thick-shelled, oval cell about the size of a bean. Diameter 22-50 mm.

Habitat.--Durango, Mexico. The adults emerged from January 30th to February 8th, 1897.

Dryophanta floridensis sp. nov.

 Gall— On the trunks of Spanish Oak (Quercus digitata) [falcata] and Blue Jack (Quercus brevifolia) [incana], that are six or more inches in diameter; in April. The gall is soft and fleshy and does not look like a gall at all. At the base of each sprout there is a rather large cell, which is covered with short, fuzzy, abortive leaflets. They occur in clumps and are dormant bud galls. 

Habitat. — Ocala and Jacksonville, Florida, (Lewis H. Weld). 

Andricus myrtifoliae, sp. nov. 

Gall.— In clusters on the blossoms of Quercus myrtifolia. Monothalamous. Small, cone-shaped bodies, each containing a single larval cell. When dry the gall is dark brown or almost black. At the point of attachment it is flattened, and from this part it graduallv tapers to a blunt point at the apex. Length 2.5-3 mm. 

Habitat. — Jacksonville and Palat Ka, Fla. (Lewis H. Weld.). The galls of this species were collected by Mr. Weld in April, 1914, and the flies emerged in a paper package and were all dead when he unpacked his Florida material in July, 1914. Mr. Weld informs me that the galls looked about the same in colour when they were collected, but they may be greenish when they first appear. The male is black with pale, yellowish brown legs and antennae. The latter is 15-jointed, with all the joints stouter, the 3rd excavate beneath. 

Descriptions of new Cynipidae (1917)