PROC. ENT. SOC. WASH., VOL. 24, NO. 2, FEB., 1922 43 



(Isosorna) HARMOLITA AGROSTIDIS (Howard), U. S. Dept. Agr. Bur. Knt. Bull. 

 2, Techn. ser., 1896, p. 12. Reared from small galls occurring rarely upon 

 Agrostis sp. in Placer County, California. Galls distinct elliptical swellings 

 about 7-10 mm. long and from 2-3 mm. in greatest diameter and occurring 

 upon different parts of the stalk. Placer County, California. 



(Isosoma) HARMOLITA AIRAE (Schlechtendal), Jahresb. Ver. Nat. Zwickau, 

 1891 (1890), p. 7. Causes a scarcely noticeable swelling of stalk of Aira 

 caespitosa Linne above first or second node. Central Europe. 



HARMOLITA ALBOMACULATA (Ashmead): Phillips and Emery, Proc. U. S. 

 Nat. Mus., vol. 55, 1919, p. 443. Inhabits the center of the stem ami breeds 

 only in timothy (Phleum pratense). Central and Eastern United States. 



HARMOLITA APTERUM (Portchinsky): Rimsky-Korsakov, Mem. Bur. Ent. 

 Sci. Comm. Centr. Bd. Land Admin, and Agr., St. Petersburg, vol. 10, 1914, 

 p. 22 (Rev. Appl. Ent., ser. A, vol. 2, 1914, p. 472). Adults oviposit in 

 internodes of summer and winter-sown wheat. Russia: Government of 

 Cherson. 



HARMOLITA ATLANTICA Phillips and Emery, Proc. U. S. Nat. Mus., vol. 55, 

 1919, p. 461. Infests species of Agropyron in which it forms galls. United 

 States east of Mississippi River. 



(Isosoma) HARMOLITA BRACHYPODII (Schlechtendal), Jahresb. Ver. Nat. 

 Zwickau, 1891 (1890), p. 8. Causes a spindle-shaped swelling at top of stem 

 with formation of a tuft of leaves on Brachypodium pinnatum. Central 

 Europe. 



(ho'soma) HARMOLITA BREVICORNE (Walker): Ashmead, Psyche, vol. 8, 1897, 

 p. 138. Supposed to be a gall-maker on oats. Central Europe. 



(Isosoma) HARMOLITA BRISCHK.EI (Schlechtendal), Jahresb. Ver. Nat. Zwickau, 

 1891 (1890), p. 8. Questionably a gall-maker in stems of Elymus arenarius 

 Linne. Central Europe. 



(Isosoma) HARMOLITA BROMI (Howard), U. S. Dept. Agr. Bur. Ent. Bull. 

 2, Techn. ser. 1896, p. 11. Reared from Bromus ciliatus. Los Angeles, 

 California. 



(Isosoma) HARMOLITA BROMICOLA (Howard), U. S. Dept. Agr. Bur. Ent. Bull. 

 2, Techn. ser., 1896, p. 16. Reared from Bromus ciliatus. Los Angeles 

 County, California. 



(Eurytoma) HARMOLITA CALAMAGROSTIDIS (Schlechtendal), Jahresb. Ver. 

 Nat. Zwickau, 1891 (1890), p. 8; Reuter, Med. Soc. Faun. Flor. Fenn., 23, 

 1908, p. 65. (German summary, p. 208.) Makes galls on Calamagrostis 

 epigejos (Linne). Galls red, frequently showing a hardly noticeable, long 

 spindle-shaped, sometimes weakly transversely wrinkled, tubercle-like 

 swelling on the stalk between the upper nodes and the flower pannicle. 

 The gall contains several small, longitudinal larval cells one behind the 

 other. Central Europe. 



HARMOLITA CAPTIVA (Howard): Phillips and Emery, Proc. U. S. Nat. Mas., 

 vol. 55, 1919, p. 444. Makes inconspicuous galls near the base of the seed 

 stalks of blue grass (Poa pratensis}. Known only from Illinois and Indiana. 



(Isosoma) HARMOLITA CYLINDRICUM (Schlechtendal), Jahresb. Ver. Nat. 

 Zwickau, 1891 (1890), p. 10. Forms long, spindle-shaped fruit-galls on 



