389 



DE LA B^RRERA (L.). El Afseniato de Calcio contra el Picudo del 



Algodonero. Calcium Arsenate agamst Antko,^o.nrs grand^s, 



Boh.]-Rev. Agric, San Jacinto, D.F., v no 1, Maich 1921, 



pp. 770-774, 9 figs. [Received 10th June 1921. J 



The information given in this article on the use of calcium arseiiate 



against the cotton bollworm, Anthonomus grandts ff-'^^jfiT' 



tially the same as that in a paper already noticed [7?.^. is., A, vm, /4i. 



Partial Report of Inspection Work during Autumn of 1919 and Spring 



o! 1920.^ Qirlv. Bull. V^rg^n^a State C.''^/' ^^^fj ,^^""'"^^' 

 BlacksbuygX pt. 2, July 1920, 4 pp. [Received 10th June 1921.] 



The following pests were intercepted in bulbs imported into Vir^iia 

 during the autumn of 1919 -.-Merodon equestns,- F. (narcissus tiy) 

 EnmLs stngatus, FaU. (lesser bulb fly) ; ^;''«^;,^ >2Xt' L ' 

 Laemobhloeus pusillus ; L. minutus, Oliv. ; renebno mohtor, L. , 

 iS^ depresL, Sch. ; Silvanus Udentatus F., S. sunnamensts, 

 L. ; Rhizoglyphus hyaanthi, Boisd. (bulb mite) ; R. rhizophagus, Bks., 

 and sever arundetermined species. 



Reppert (R. R.). Some Insects injurious to Alfalfa in Virginia — 



Qtrly Bull. Virginia State Crop Pest Commiss., Blackshurg, ii, 



no. 4, January 1921, 16 pp., 4 figs. 

 During the summers of 1918 and 1919 an examination was niade of 

 lucerne fields in Virginia, and a brief account is given of the life- 

 histories of and general remedial measures advocated against, the 

 )^^ngt^sts-Macrohasis umcolor, Kby. (blister beetle) P/aZ/^'^^na 

 scahra F (green clover worm), Hypera {Phytonomus) punctata t. 

 (dover leaf weevil), Sitona hispidula, F. (clover root curcuho), 

 5 flavescens,M\., AgalUasanguinolenta, Cirphis{Heliophila)umpuncta 

 Labhygma frugiperda (fall army worm), Pyrahs fannahs (meal snout- 

 moth), clover hay worm [ Hypsopygia costalis], Aphids and grasshoppers. 



Hansen (D.). The Work of the Huntley Reclamation Project Experi- 

 ment Farm in 1919. Sugar-Beet Root-Louse Control.- US/)ept. 

 Agric, Washington, D.C., Dept. Circ. 147, January 1921, pp. 

 11-12, 1 table. [Received 10th June 1921.] 

 The yield sugar-content and percentage of infestation of sugar-beet 

 by the root-louse [Pemphigus betae, Doane] are shown m tabular form, 

 as the result of continued irrigation experiments m \9\9\K.A h., 

 \ ix 1771 The results indicate that as the number of irrigations 

 decreased, the percentage of infestation increased, with a corresponding 

 fall in the sugar-content. 



Campbell (R. E.). Nicotine Sulphate in a Dust Carrier against Truck 



Crop Insects.— y.S. Dept. Agric, Washington, B.C., Dept. tuc. 



154. 21st February 1921, 15 pp., 5 figs, 3 tables. 



The use of nicotine sulphate in dust form having been successful in 



controhing Chromaphis juglandicola, Kalt. (walnut aphis) [K.^./:.. 



\ viii 1301, experiments were carried out with this insecticide against 



the following pests : Aphis gossvpii, Glov. (melon aphis), Brevicoryne 



{A) brassicae, L. (cabbage aphis), Acyrthosiphon {Macrosiphnm) pisi, 



Kalt (pea aphis), Thrips tabaci (onion thrips), Diabrotica soror, Lee. 



