^^ [March, 



liaftiral enemy.—L ehalcid, as yet undetermined, lias been bred 

 from the pupa of the Lcucopis species. This parasite is 1-75 mm. in 

 length and Prussian blue in colour, with black and yellow legs. 



Summary. 

 The occurrence of an aphidophagous fly of the genus Leucopis is 

 recorded, and the following observations on its life-histoiy and habits 

 noted : — 



1. Its life-cycle is completed in 13 days. 



2. -Breediug is continuous while aphides are present on the plant. 



3. It occurs in sufficient numbers and is so voracious in its feedincr-l)al)its 

 as to constitute a valuable check to the increase of the aphi Jes infesting dura 

 and cotton. 



4. It is parasitised by a minute hymenopteron. 

 Khartoum. 



Is'ovemher 3r(7, 1 92 1 . 



" Etudes de Zoogfi,ographie," par J. Samte-Claire Deuilie.— In the " Annales 

 de la Society entomologique de Eelgique/' Ixi, pp. 390-421 (Jan. 192'^) under 

 the above title, there is a paper by Col. Deville on the geographical distribution 

 of certani palaearctic Coleoptera of particular interest to British entomologists, 

 many of our well-known beetles being enumerated in it. Eleven specie^, ten' 

 of which are British, have been specially selected for illustration, and ske'tch- 

 uiaps showing the distribution of each of them are given : the insects thus 

 mentioned are Leisfus rufiharbis Dej., Empleurus {Helophorus) pormlus Bedel, 

 Hydroporus obsoletus Aub6, Pseudopsis sulcata Newm., Boreaphilns velox Heer 

 [a Staphylinid related to Eudectus], Stenm gwjnemeri Duv., Chrysomda banlcsi 

 ¥., Calathus piceus Marsh., Anchonidium unyuiculnre Aube, Parnphaedon 

 tumididus Germ., and Quedius tristis Grav. The author calls attention to a 

 work by Dr. E. F. Scharff, entitled " European Animals, their Geographical 

 History and Geographical Distribution," London, 1907, the perusal of which 

 has assisted him in the present " :^tiides " on the Coleoptera.— Eds. 



" Konoivia;' Zeitschrift fur systematische Lis,ddc),Mmcle : another ento- 

 mological periodical-This new venture is a continuation of the " Zeitschr. 

 fur syst. Hymen, und Dipterologie," which was supervised by the late Pastor 

 Ivonow till his death, when it came to an abrupt end. '• Konowia " is edited 

 by Dr. Reinh. Meyer, of Landsberg a. Warthe, Germany, and published by 

 Fritz Wagner ,n Vienna. Band I, Heft. 1-2, pp. 1-96, was issued on Jan. 15th, 

 1922, the entire volume to include three parts, each with two hefts, and the 

 subscription price for Great Britain and Colonies is fixed at ten shillings. 

 The first part contains papers on Bymemptera by Dr. E. Enslin, Dr H 

 Hedicke, Dr. F. K. Stockhert, Dr. H. Friese, and Dr. H. lUhermehl, Dipter'a 

 by Th. Becker and Dr. Gunther Enderlein, Trkhoptera by R. P. L. Navas, 

 and Thymnoptera by Dr. Hermann Priesuer. The annual subscription, if the 

 same amount of matter is given iii the follu^^ilJg hefts, is moderate, considering 

 the present cost of printing, etc.— Eds. 



