Callirhytis elongata

Quercus breviloba
Stem galls, woody stem swellings
A slight elongated twig swelling up to 6 mm in dia containing many cells. Kinsey described var. rufopleurae from short globoid galls on same host with at most 4 cells. Cells were noticed in Dec; contained pupae in Jan. and adults emerge in March. Entered from lit.

Quercus stellata
Stem galls, woody stem swellings
An elongate slight twig swelling containing a score of larval cells, up to 8 mm in dia. Austin, TX. Adults emerged from Mar 14 to Apr 3. Entered from literature.

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On Q breviloba, stellata. Slight many-celled twig swellings, 6-8 mm in dia, near tip of twig. TX. Adults emerged Mar 14-Apr 3.

Plagiotrichus elongatus, new species

GALL. — Slight twig swelling, elongate in two varieties, globoid in one. Monothalamous or polythalamous, one to fifty or more cells in a cluster. The swelling slight, two or three times the normal stem diameter, up to 8. mm. in diameter, averaging 60. mm. long in two varieties, 8. mm. long in one; covered with normal bark. Internally solid except for an irregular, more or less continuous cavity completely filled by crowded, distorted, larval cells, each cell separate, with a distinct lining, but not separable. Near the tips of twigs of Quercus stellata and Q. breviloba.

RANGE. — Texas: Austin, Probably thruout a part of Texas and Louisiana.

[Kinsey describes three varieties of this gall; see paper for details]