258 



summer. Feeding usually took place at twilight or night. The- 

 attack begins at the edges of the leaf and extends up to or close to the 

 midrib. Three or four leaves are thus injured in a few minutes.. 

 Owing to the comparatively small number of individuals present, the 

 damage was negligible. In England peaches, apricots and plums have 

 been occasionally injured to some extent. Should the infestation 

 become serious, a spray of Urania green should be applied after the 

 fruits have been gathered. 



HoRST (A.). Agriotes obscurus als landwirtschaftlich wichtiger 

 Schadling. (Vorlaufige Mitteilung.) [A. obscurus as an agri- 

 cultm-ally imporiant Pest. Preliminary Communication.]— 

 Zeitschr. angew. Ent., Berlin, vii, no. 2, February 1921, pp. 456- 

 457. 



Large areas of the Prussian Crown Domain of Kopernitz have been 

 severely infested by wire worms. As a result of breeding experiments, 

 the pests were identified as Agriotes obscurus and Corymbites aeneus, 

 and not A. lincatus as might have been expected. A full report on. 

 the outbreak will be published later. 



v. Lengerken (H.) . Die Tatigkeit der Larve von Balaninus glandium, 

 Mrsh., und ihre Wirkung. [The Feeding Activity of the Larva 

 of B. glandium and its Efect.] — Zeitschr. angew. Ent., Berlin, 

 vii, no. 2, February 1921, pp. 461-462. 



Although Balaninus glandium, Mrsh., is scarcely of economic 

 importance, it may be of interest to record the fact that the larvae 

 of this weevil do not appear capable of interfering with the vitality of. 

 acorns infested by them. 



V. Lengerken (H.). Carabus auratus, L., und seine Larve. [C. 



auratus and its Larva.] — Zeitschr. angew. Ent., Berlin, vii, no. 2, 

 February 1921, pp. 462-463. 



Carabus auratus, L., may be regarded as a beneficial beetle. In 

 summer it feeds on large quantities of the larvae and imagines of insect 

 pests such as Phyllopertha horticola, L., Blitophaga opaca, L., B. undata, 

 Miill., the caterpillars of Agrotis spp., Melolontha melolontha, L., 

 Rhizotrogus aestivus, etc. 



RuscHK.A (F.). Zur Morphologie und Systematik des Komkafer 



Chalcidiers, Lariophagus disiinguendus, Forst. [Notes on the 

 Morphology and Systematic Position of the Grain-beetle Chalcid, 

 L. distingue ndus.~\ — Zeitschr. angew. Ent., Berlin, vii, no. 2, 

 February 1921, pp. 463-465. 



Hase's investigations on the biology of Lariophagus distinguendus,. 

 Forst. [R. A.E., \, ix, 133] render it necessary to record the synonymy 

 of this Chalcid and to give a description of it. A list of 15 synonj^ms,. 

 with notes on them, is given. 



L. distinguendus is known to parasitise Calandra {Sitophilus) granaria, 

 L., C. oryzae, L., and Sitodrepa {Anobium) panicea, L. Its area of 

 distribution, like that of its hosts, must embrace the whole world. 



