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



(1890), p. 9. Causes a hard spindle-shaped, longitudinally striate, yellow 

 green, swelling of stalk of Poa nemoralis. Central Europe. 



HARMOLITA POACOLA Gahan (n. n. for poae Phillips and Emery not Schlech- 

 tendal): Phillips and Emery, Proc. U. S. Nat. Mus., vol. 55, 1919, p. 445. 

 Inhabits the center of the stem in the seed stalks of blue grass (Poa pratensis) . 

 Lafayette, Indiana. 



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

 1919, p. 463. Reared from galls in Poa lucida. Husted, Colorado. 



(Isosoma) HARMOLITA ROSSICUM Rimsky-Korsakov, Mem. Bur. Ent. Sci. 

 Comm. Centr. Bd. Land Admin, and Agr., St. Petersburg, vol. 10, no. 11, 

 1914, p. 15. (Rev. Appl. Ent., ser. A, vol. 2, 1914, p. 470.) Infests stems of 

 rye and wheat. Russia: Government of Cherson. 



HARMOLITA RUFIPES Phillips and Emery, Proc. U. S. Nat. Mus., vol. 55, 1919, 

 p. 453. Forms inconspicuous galls in the internode just below the head of 

 Elymus sp. There is often no external enlargement of the stem where the 

 galls occur. Central United States. 



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

 1891 (1890), p. 10. Infests Stipa pennata Linne, causing a spindle-shaped 

 two- or three-winged swelling of the bud axil which is abnormally lengthened. 

 Central Europe. 



HARMOLITA SECALIS (Fitch): Phillips and Emery, Proc. U. S. Nat. Mus., vol. 

 55, 1919, p. 456. Makes conspicuous hardened enlargements or galls usually 

 in the second or third internodes from the base of the rye plant. Lafayette, 

 Indiana, and Warsaw, Poland. 



(Isosoma) HARMOLITA STIPAE Stefani Perez, Nuovo Giorn. Bot. Ital., Firenze, 

 vol. 8 (n. s.), 1901, p. 543. Infests Stipa torlilis Desfontaines, producing 

 graceful, cylindrical, more or less fusiform galls upon the ovaries when the 

 grain is the size of a pea or a little less. The gall at first is green, becoming 

 red later, and on reaching maturity, straw color. The walls are polished, 

 thick, resistant, and contain a narrow and elongate larval chamber. Sicily. 



HARMOLITA TRITICI (Fitch): Phillips and Emery, Proc. U. S. Nat. Mus., vol. 

 55, 1919, p. 451. Makes conspicuous hardened enlargements or galls in 

 wheat stems, usually about the second or third internode from the base of 

 the plant, though they may occur at every internode. Central and Eastern 

 United States. 



HARMOLITA VAGINICOLA (Doane): Phillips and Emery, Proc. U. S. Nat. Mus., 

 "vol. 55, 1919, p. 455. Gall-former in wheat making a conspicuous hardened 

 enlargement in the sheath surrounding the head. North America from 

 Atlantic coast to Rocky Mountains. 



HARMOLITA WEBSTERI (Howard): Phillips and Emery, Proc. U. S. Nat. Mus., 

 vol. 55, 1919, p. 442. Inhabits the center of the stem and breeds only in 

 rye. United States from Atlantic to Pacific. 



(Isosoma) HARMOLITA sp. (Riibsaamen in lit.): Schlechtendal, Jahresb. Ver. 

 Nat. Zwickau, 1896 (1895), p. 5. Makes scarcely noticeable swelling in 

 pithy stems of Arundo phragmites. Central Europe. 



(Isosoma) HARMOLITA SP. (Kieffer): Schlechtendal, Jahresb., Ver. Nat. Zwickau, 

 1896 (1895), p. 6. Infests stem of Festuca durluscula causing slight swelling. 

 Central Europe. 



