437 



DupoRT (L). Rapport sur quelques Recherches poursuivies a la Station 

 Entomologique en Octobre et Novembre 1921. — Supplement to 

 Bull. 133, Chambre d'Agi-ic: Tonkin S- Noyd-Annam, Hanoi, 

 no. 14 bis, October-November 1921, 1922, 4 pp. [Received 24th 

 June 1922.] 



The breeding of parasites has been continued [R.A.E., A, x, 384], 

 though in many cases greatly hampered owing to adverse weather 

 conditions. Over 400,000 individuals of Doryctes strioliger, Kieff., 

 were liberated during October. The work in connection with this 

 Braconid during the year may be considered to be satisfactorj^ on the 

 whole. 



Owing to the satisfactory reproduction of Sclerodermus domesticus, 

 Latr., 12,000 individuals were distributed as against 4,000 in 1920. 

 This is a more hardy species than the Braconid and destroys all stages 

 of Xylotrechus quadripes. Experiments are now in progress with a 

 view to breeding this species under artificially heated conditions so 

 as to enable it to be liberated during the winter. 



Various substances have been tried as repellents against X. quad- 

 ripes, but they did not prevent it from ovipositing on the treated 

 plants. In many cases the larvae were poisoned by this treatment 

 immediately after hatching, but further observations are needed to 

 prove its efficacy. 



Recent observations on rice pests confirm those made earlier. The 

 early maturing varieties appear to be less subject to attack than later 

 ones, the loss due to insects in the former amounting to from 0-5 to 

 3 per cent, whereas in the latter it may reach 50 per cent. 



Schoenobius incertellus, Wlk., is still the most important pest of this 

 crop, and apparently it can only be kept in check by drainage and 

 irrigation. 



DupoRT (L). Rapport sur quelques-uns des Travaux poursuivie a la 

 Station [Entomologique de Cho-Ganh] en Octobre, Novembre et 

 Deeembre 1921 et en Janvier 1922.— Supplement to Bidl. 134, 

 Chambre d'Agric. Tonkin & Nord-Annam, Hanoi, no. 15, 

 1922, 2 pp. [Received 24th June 1922.] 



Laboratory work in connection with the breeding of Doryctes 

 strioliger, Kieff., and Sclerodermus domesticus, Latr., parasites of 

 Xylotrechus quadripes, Chevr., for the months of October to December 

 1921 and for January 1922, is briefly described. 



LiENHART (R.). Un Orthopt§re Phasgonuridae nouveau pour la 

 Faune de la Lorraine. — C.R. Soc. Biol., Paris, Ixxxvii, no. 22, 

 17th June 1922, pp. 175-176. 



Ephippigerida ephippiger, Fieb. {v ilium, Sew.), which is common in 

 the south of France, is recorded from Lorraine, and is probably at its 

 northernmost hmit there. 



Reports on the State of Crops in each Province of Spain on the 20th of 



May 1922.— Bol. Agric. Tec. y Econ., Madrid, xiv, no. 161, 

 31st May 1922, pp. 431-447. 



In Huesca nearly all the early-sown wheat was injured by a fly, 

 believed to be Mayetiola {Cecidomyia) destructor. In the same province 

 olives were attacked by the olive fly [Daciis oleae] and by the olive 



