BLACK GRAIN-STEM SAWFLY. 17 



(41) Konow, Fb. vy. 



1904. sytematische zusammenstellung . . . Chalastogastra. In Zeitschr. 

 Hym. Dipt., v. 4, p. 225-288. 



Page 256 : Description and synonymy of Tracheitis tabidus. Found 

 in South and Middle Europe, North Africa, and Asia Minor. 



(42) 



1905. hymenopteea: family lydidae. In Wystman, P., Genera. In- 

 sectorum, Fasc. 27. 



Page 20 : Synonymy of Tracheitis tabidus. Found in South and Middle 

 Europe, North Africa, and Asia Minor. 



(43) Rudow, F. 



1909. lebensweise dee holzwespen, sibicidae. In Intern. Ent. Zeitschr., 



Jahrg. 3, p. 123-124. 



Page 124 : Record of TracJielus tabidus from South Europe. Also 

 records of host plants which are doubtful. 



(44) Koktjjev, Nikita. 



1910. sub la disteibution des eepeesentants de la sous -fam.ille des 



cephini konow ... en eussie et la description des especes 

 nouvelles. In Rev. Russ. Ent., v. 10, p. 127-139. 

 Page 137 : TracJielus tabidus. 



(45) [MacGilliveay, A. D.] In Smith, J. B. 



1910. eepoet of the insects of new JEESEY. In Ann. Rept. N. J. Sta. 

 Mus., 1909. 



Page 595 : Synonymizes Calamenta [Calameuta] johnsoni and repeats 

 record of occurrence in Riverton, New Jersey. 



(46) Kholodkovsky, N. 



1912. A COURSE IN ENTOMOLOGY THEOEETICAL AND PBACTICAL. PetrO- 



grad. v. 2. 



Page 472 : Trachelus tabidus. 



(47) Kulagin, N. M. 



1913. THE PEINCIFAL INSECT PESTS OF FIELD CEOPS IN EUROPEAN BUSSIA 



foe the last twenty years. In Yearbook Dept. Agr. Centr. 

 Bd. Land Admin, and Agr. Petrograd. v. 6, p. 585-638. (Rev. 

 Appl. Ent., ser. A, v. 2, 1914, p. 201-202.) 

 Records Trachelus tabidus from 26 governments ; more frequent and 



injurious in southern governments. Damage about 14 to 20 per 



cent, sometimes more. 



(48) Kuedjumov, N. V. 



1913. THE MOBE IMPOETANT INSECTS INJURIOUS TO GEAIN CEOPS IN MID- 

 DLE and south eussia. In Studies from Poltava Agr. Exp. Sta., 

 no. 17, Dept. Agr. Ent., no. 6, 119 pp. (Rev. Appl. Ent, ser. A, 

 v. 2, 1914, p. 170-173.) 



Trachelus tabidus from South Russia on rye. 



(49) Shtchegolev, I. M. 



1913. eepoet on injurious insects and diseases of plants in the 

 goveenment of taueida dueing the yeae 1912. In Rept. Ass't. 

 Ent. of Govt, of Taurida, Simferopol, p. 24-56. (Rev. Appl. Ent., 

 ser. A, v. 1, 1913, p. 357. ) 



Records Cephus tabidus as having attacked 15 to 20 per cent of the 

 wheat crop. 



