501 



MoREAU (L.). Les Traitements contra la Cochylis. — G.R. de VAssem- 



blee Gen. 1919, Bull. Soc. AgricuUeurs France, Paris, Supplement 



Bull. July 1919, pp. 129-137. 



As very little progress has been made in the study of control measures 



against Chjsia ambiguella and other vine pests during the war, the 



author reviews the work done in Anjou during the years 1907-1911 



[see this Review, Ser. A, i, pp. 220, 337 and ii, pp. 16, 550, etc.]. 



Brethes (J.). Secci6n Entomologfa. — Mem. Trabajos realizados 

 por el Inst. Biologico, Soc. Rural Argentina {May 1917 to 30th 

 April 1919), Buenos Aires, 1919, pp. 32-35. [Received 10th 

 September 1919.] 



The work of the entomological section for 1917-1919 is reviewed. 

 This has chiefly taken the form of the study of the natural parasites 

 of agricultural pests and their practical application in remedial measures. 

 It is pointed out that several years' observation is necessary before 

 the efficacy of various insect enemies can be accurately estimated, 

 while another difficulty that exists in the Argentina and other South 

 American countries is the lack of exact identij& cation of many insects. 



Many enquiries have also been dealt with concerning various pests, 

 including Eriopliyes pyri, Pgst., causing withering of pear-tree leaves ; 

 Leucasfis fini, Hart., on pines ; Dyscinetus gagates, Burm., which 

 attacks wheat at the ground level and totally destroys large areas ; 

 various caterpillars about which little is at present known under 

 South American conditions, such as Rachiplusia nu, Gn. ; various 

 Aphids ; Aspidiotus (Aonidiella) perniciosus, Comst. (San Jose scale) ; 

 Aulacaspis (Diaspis) pentagona ; Pulvinaria platensis, Breth., 

 P.flavescens, Breth., and P. 7ninuta, Breth., on quince, Eugenia, lemons, 

 etc., of which various natural enemies have been discovered ; Papilio 

 thoasthoantiades,l^nTm., on oranges; Malacosoma {Clisiocampa) brissotti 

 on peaches; Colias lesbia, F., on lucerne ; Tatochila autodice, H. S., on 

 white cabbage ; Sitotroga cerealella, Oliv., damaging wheat, maize, etc., 

 both stored and in the field ; and a CoccinelUd, Epilachna (SolanopJiila) 

 paenulata, Germ., which injures the leaves of melons and other 

 Cucurbitaceae. 



Particular attention has been given to the study of Hymenoptera. 

 The results of m^any observations have already been noticed in this 

 Revieiv, but many years must elapse before even an approximate 

 knowledge is reached of the parasitic fauna of Argentina. 



Merrill (G. B.). Host List of the Fluted or Cottony Cushion Scale. — 



Qtrly. Bull. Florida State Plant Bd., Gainesville, iii, no. 4, July 

 1919, pp. 125-133. 

 An extensive Hst of the food-plants of the cottony cushion scale, 

 Icerya purcJiasi, Mask., is here given. 



Bee Disease Eradication. — Qtrly. Bull. Florida State Plant Bd., 

 Gainesville, iii, no. 4, July 1919, p. 136. 



The bill providing for the prevention and eradication of diseases 

 of honey bees in Florida has now became law. The State Plant Board 

 is responsible for the execution of the law, and work for the eradication 

 •of American foul brood has already been undertaken. 



