545 



Gaudicheau (A). Une Maniere simple et peu couteuse de proteger 

 la Vigne centre les Inseetes. — Prog. Agric. et Vitic, Montpellier, 

 Ixxvi, no. 38, 18th September 1921, pp. 273-274. 



It is stated that a simple method of insuring the destruction of 

 some insect pests of vines is to place small heaps of residue from the 

 wine press at intervals of about four yards throughout the vineyard. 

 The insects are attracted to these heaps for oviposition, and as soon 

 as other food becomes scarce birds readily devour the developing 

 larvae. 



PouTiERs (R.). Lonchaea aristeUa, Beck., nuisible au Figuier, nouvelle 

 pour la France. — Prog. Agric. et Vitic, Montpellier, Ixxvi, no. 38, 

 18th September 1921, pp. 285-286. 



Lonchaea aristeUa, Beck., is recorded from figs in the vicinity of 

 Mentone. Oviposition occurs from about May, and apparently numerous 

 generations follow each other from the spring onwards [R.A.E., A, 

 vi, 75]. So far no parasites have been discovered at Mentone. 

 Silvestri's suggestions for the control of this fly are quoted [loc. cit.']. 



Faes (H.). Les Chenilles grises ou Vers gns.— Ann. Agric. Suisse, 

 Lucerne, xxii, no. 3, 1921, pp. 123-126. 



The larvae of Agrotis, Phytometra [Plusia), and Mamestra cause 

 serious damage to various plants in Switzerland, including vines. 

 Their habits are discussed, and previous records of infestations in 

 various countries are reviewed. In some districts hand collection at 

 night is successfully practised, but the use of arsenicals is advocated 

 when dealing with large infested areas. 



Faes (H.) & Staehelin (M.). Sur la Resistance du Hanneton adulte 

 aux basses et hautes Temperatures. — Ann. Agric. Suisse, Lucerne, 

 xxii, no. 3, 1921, pp. 127-130. 



The bulk of the information contained in this paper on the resistance 

 of adult cockchafers [Melolontha] to various temperatures has been 

 noticed from another source [R. A.E., A, ix, 419]. 



DE Sanabria (R.). La Palmera : Sus Productos— Su Cultivo.— So/. 



Asoc. Agric. Ecuador, Guayaquil, i, no. 3, May 1921, 6 pp. 

 [Received 23rd September 1921.] 



Phoenix dactylifera (date palm), the most important species of palm 

 in Ecuador, is frequently infested by a beetle, Coccotrypes {Bostrychus) 

 dactyliperda, which multiplies very rapidly and does much damage. 

 It lives at first on the inflorescence, and later, when the dates are form- 

 ing, the female oviposits on the green fruit. After a few weeks the 

 larvae develop and burrow into the fruit, invading the stone, where 

 they feed and complete their transformations. The common palmetto 

 palm [Sabal palmetto] is similarly attacked, 10 to 15 larvae sometimes 

 being found in one stone. The best remedy is to gather and burn all 

 infested fruit and stones. It is said that palmettos growing near 

 date palms should be preserved, as the beetles prefer the fruit of the 

 former for oviposition, and this can more easily be gathered and burnt 

 before reaching maturity. Date stones lying about the plantations 

 should all be gathered and destroyed, as they are frequently infested. 



