Callirhytis juvenca

Quercus arizonica, oblongifolia, reticulata [rugosa], gambelii, subturbinella [turbinella]
leaf galls
Detachable
Fig 159. A midrib cluster in fall.

Callirhytis juvenca, new species

Gall. — A midrib cluster on underside of leaf in fall similar to gall of C. lustrans (Beutenmueller), but smaller, mottled white and greenish with often a pinkish tinge when fresh, with a scar at apex

Habitat. — The type locality is Young, Ariz., where Mrs. N. W. Capron collected galls on an undetermined oak November 1, 1935. Four flies emerged on March 20, 15 more by March 24, and one more by April 3, 1937. Agreeing with these is an adult taken ovipositing on Quercus gambelii at Williams, Ariz., on April 11, 1918.

Unknown #50
Clustered-tube-gall wasp

Hosts: Quercus gambelii, oblongifolia, turbinella

Each glabrous, monothalamous, light yellow gall has a brown or rosy, concave apex along with little bumps on the sides.

Range: Santa Catalina mountains, AZ

Unknown #51
Rosy-tube-gall wasp

Hosts: Quercus arizonica, oblongifolia

Unlike #50, this gall occurs not in large clusters but in mostly small groups of two to four specimens.