KEY TO AMERICAN INSECT GALLS 



183 



Nepeta (cat mint) 

 Globular or irregular, monothalamous or polythalamous leaf petiole or stem 

 gall, the simple galls with a diameter of 6 mm. Fig. 198. 235, 1-3. Beutm. 

 'loa, p. 138 



Cynipid. Cat mint gall, Ay lax glechomae Linn. 



Galeopsis (hemp nettle) 

 Irregular, stem gall, length .5 to 2 cm. Felt 'oge, p. 287 



Itonid. Hemp nettle gall, Lasioptera galeopsidis Felt 



Salvia (sage) 

 A conical, thick-walled, grayish brown leaf gall with a length i cm and a diameter 

 6 mm or a tubular, thin-walled leaf gall, with a length of 6 mm, on S. c a 1 i- 

 fornica and S. n i v e a. Fig. 199. Felt 'i6f, p. 184 



Itonid. Salvia leaf gall, Rhopalomyia salviae Felt 



Fig. 199. Salvia leaf gall, Rhopalomyia 

 salviae Felt. Several types of gall, two in 

 section. (Original) 



Fig. 200. Cecid- 

 omy i a sp. on Mo- 

 narda, a2 704, en- 

 larged. (Original) 



Monarda Jistiilosa (wild bergamot) 

 Variable, stem gall, length 10 to 22 mm. Brodie '94, p. 109 



Itonid. Cecidomyia monardi Brodie 

 Ovate root stalk bud gall, length 2.5 mm, diameter 2 mm. Fig. 200. 



Itonid. Cecidomyia sp. a2704 



LycopHS (water horehound) 

 Subglobular, stem gall, length 8 to 10 mm. Fig. 201. Felt '07a, p. 152 



Itonid. Lasioptera lycopi Felt 

 Fusiforrin stem gall, length 1.5 to 2 cm. Fig. 202. Felt 'o8e, p. 325 



Itonid. Lasioptera mitchellae Felt 



Mentha (mint) 

 Terminal bud gall, length 3 mm, on M. g e n t i 1 i s. Felt 'iij, p. 464 



Itonid. Cecidomyia sp 



