Andricus catalinensis Melika, Nicholls & Stone, sp. nov.

Gall (Fig. 45). A spherical succulent unilocular gall on leaves or catkins, usually at the base of either structure, sometimes with small point at end of gall, pale green sometimes with a pinkish tinge.

Biology. Only a sexual generation is known, which induces galls on Q. oblongifolia; adults emerge in April.

Distribution. USA, Arizona, Santa Catalina Mountains