487 



of buds was repeatedly renewed, the larvae being moved to the new 

 buds as soon as the old ones showed signs of drying. 



In nature the larvae not only feed on the anthers, but also on the 

 corolla. The injury to the petals causes the bud to remain closed and 

 this provides a shelter during the entire period of development, including 

 the pupal period. Unusually warm spring weather or delayed oviposi- 

 tion interferes with the above normal course, and larvae may be found 

 in open apple and pear buds, especially the latter. Under these 

 altered conditions the larvae kept the filaments together by feeding 

 at their bases, and crept upwards between the anthers in order to 

 defecate, the droppings being used to bind the anthers, so as to form 

 a shelter. The need for a shelter therefore appears to be estabhshed. 



To investigate the resistance of the larvae many individuals of 

 varying ages were placed on open buds. All the young and helpless 

 ones were gradually shaken out. Cold rain proved very injurious 

 to the larvae, either washing them away or killing them in situ. 



The preferred food of the young adults was apple leaves, pear leaves 

 coming next. The leaves of Pyrus haccata were also eaten ; those of 

 sweet cherry, sour cherry, rose, hawthorn, Hnden, etc., were rejected. 



ScHOLZ (M. F. R.). Die Aufzucht von Ptinus tectus, Boield. [The 

 Breeding of P. tectus.] — Etitom. Blatter, Berlin, xvi, no. 1-3, 24th 

 April 1920, pp. 23-24. [Received 14th September 1920.] 



Adult beetles and pupae of Ptinus tectus, Boield., were found in 

 July 1918 in a tin of fish food apparently composed of dried meat. 

 At the end of August a number of larvae appeared. By mid-February 

 1919 these larvae were pupating, and the first new adult appeared on 

 the 25th February, 



Eggers (H.). 60 neue Borkenkafer (Ipidae) aus Afrika, nebst zehn 

 neuen Gattungen, zwei Abarten. [Sixty new Bark Beetles from 

 Africa, with ten new Genera and two Subspecies.] — Entom. 

 Blitter, Berhn, xvi, nos. 1-3 & 4-9, 24th April & 31st August 1920, 

 pp. 33-45 & 115-126. 



This is the concluding portion of a paper on new African Scolytids. 

 Cryphalus acaciae is recorded from Abyssinia from Acacia catechu and 

 C. halanopselcfphus from East Africa from a wild species of Rubus. 



Heikeetinger (F.). Untersuchungen uber die Standpflanzen der 

 Blutenl;afergattungen Meligethes, Brachypterus und Brachypterolus 

 (Heterostomus). [Investigations on the Host-plants of the 

 Blossom Beetles of the Genera Meligethes, Brachypterus and 

 Brachypterolus {Heterostomus).] — Entom. Blatter, Berlin, xvi, 

 nos. 4-9, 31st August 1920, pp. 126-143. 



When engaged in the preliminary studies for a work on the phyto- 

 phagous beetles of Europe, the author's attention was drawn to the 

 problem of food-preference. It appeared necessary to obtain, a 

 comprehensive view of the extent and constancy of the food-preference 



