556 



Ceuthorrhynchus rapae, Gyll., is recorded from Petrograd on cabbages, 

 C. erysimi, F., C. contractus, Marsh., C. scapularis, Gyll., and 

 C. pervicax, Wse., on cruciferous weeds, and anotlicr species of this 

 genus as forming galls on the roots of wild radishes. 



Shtakelberg (A. A.). K IV!eTOjD|iiKe cDeHOJiornHecHMx Ha6jiK)AeHMM. 



rOn the Method of Plicnological Observations.! — Bw/lJieieHb 2-ro 



BcepoccMMCKoro SHTOMO-OmonaTonornHecKoro C'esfla b neipo- 

 rpafle 25 30 OkthSph 1920 r. [Bull. 2nd All-Russian Entomo- 

 Phylopaih. Mcctiui^, Pctyograd, 'Jo-.'Wth October 1920], Petrograd, 

 1st December 1920, no. 7, pp. 30 35. [Received 27th September 

 ■ 1921.1 



The value of a study of the relation of climatic conditions to 

 entomological work is emphasised, and the method of preparing 

 records is discussed. 



Bogdanov-Katkov (N.). PyccKOii /ImepaType no C. X. Shtomo- 



Jiomn 3a nOCiieflHee nflTHJieilie. [Russian Literature on Rural- 

 Economic Entomology during the last Five Years.] — ElOJIJieTeHb 

 riocTOflHHoro Bwpo BcepOCCMMCKMX SHTOMO-OHTOnaTOnO- 

 rUHeCKMX ClieSAOB. [Bull. Permanent Bur. All-Russian Entomo- 

 PJiytopath. Meetings], ^Petrograd, no. 1, 15th June 1921, pp. 10-11. 



Attention is called to the lack of reliable scientific works on economic 

 entomology and the inaccuracy of existing ones in Russia during 

 1916 to 1921. 



Bogdanov-Katkov (N.). SaMGTKa no Hemiptera-Homoptera HepHO- 

 MOpCKOM rySepHMM W KyOaHCKOM OSnacril. [Notes on Hemiptera- 

 Homoptera of the Black Sea District and Kuban Province.] 

 — C.-X. YMeSHbiM KoMMTei, Oifleji FlpHKJiaAHOM 3HTOMOJiorMM, 



[Sci. Committee Rural Economy, Dept. App. Ent.], Petersburg, 

 1921,8 pp. [Received 26th September 1921.] 



This list records some 39 species of Homoptera from the north-west 

 of the Caucasus. 



Ion (O. L) KaK COSupaib H COxpaHflTb TpMncoe. [How to collect and 

 preserve Thrips.]--neTporpaACKMM ArpOHOMMHeCKMM MHCTMTyT. 



HayMHO-MccneAOBaTe/ibCHMM Otagji. SHTOMO/iorMHecKan CiaHi^Mfl 



[Petrograd Inst. Agronom. Sci. Dept., Ent. Sta.] Petersburg, Ser. B. 

 no. 1 ,' 1921 , 8 pp.,' 2 figs. [Received 26th September 1921.] 

 The contents of this paper are indicated by its title. 



Dankov (.\.). rjiaBHenmne BpeAMTe/iM floneBOACTBa TyjibCKOii FyS., 

 ownAaeMbie b 1921 roAy, KpaiKUM OSpas mx }Km3H1i v\ npocTeiiiuiie 

 Mepbl Bopb6bl. [Tlie chief Field Pests of the Tula District 

 expected in 1921, brief Life-histories and simplest Remedial 

 Measures.]— Ty/ibCKan CTaHLtMfl SamMTbi PacTeHMMOTBpeAMTejieii, 

 [Jula Sta. Protect. Plants from Enonies], Tula, 18th ^larch 1921, 

 pp. 1-14, 6 figs. [Received 28th September 1921. J 



This paper gives a brief account of the life-histories of and remedial 

 measures against the pests that may be expected to appear during 

 1921 in the Tula district. 



