425 



PoRTiER (P.) & Sartory ( — ). SuF uii S'picciria nouveau, isol6 de la 

 chenille de Cossus cossus ; Spicaria cossus, n. sp. [A new Spicaria 

 from the larva of Cosstis cossus ; Spicaria cossus, sp. n.] — C. R. 

 Soc. Biol, Paris, Ixxix, no. 14,22nd July 1916, pp. 700-701, 1 fig. 



In the mines of Cossus cossus the young larvae have been sometimes 

 found to be in a mummified condition and to have the appearance of 

 silk-worm larvae killed by a Muscardine fuiigus. The fungus con- 

 cerned, Spicaria cossus, sp. n., is described and figured. 



PoRTiER (P.) & Sartory ( — ). Sur una forme 'de Botrytis bassiana, 

 isol6e de la chenille de Nonagria typhae. [A form of Botrytis 

 bassiana from the larva of Nonagria typhae.] — G. R. Soc. Biol., 

 Paris, Ixxix, no. 14, 22nd July 1916, pp. 702-703. 



If larvae of Nonagria typhae, which feed on the pith inside the stems 

 of Typha latifolia, are killed and kept in a sufficiently damp place, they 

 will be found to mummify and to become covered with a form of 

 Botrytis bassiana. 



SiLVESTRT (F.). Contribuzione alia conoscenza del genere Poropoea, 

 Forster (Hymenoptera, Chalcididae). [A contribution to the 

 knowledge of the genus Poropoea, Forster.] —Separate, dated 

 2nd August 1916, from Boll. Lab. Zool. Geri. Agrar. R. Scuola 

 Sup. Agric, Portici, xi, pp. 120-135, 9 figs. 



This note deals with two species of the genus Poropoea found 

 in Italy, the larvae of which are beneficial, because they destroy 

 the eggs of two injurious Coleoptera. P. stollwercki, Forst., parasitises 

 the eggs of Attelabus nitens, Scop, {curculionoides, L.), the adults of both 

 insects appearing in the second half of April and early in May. As soon 

 as the egg-tubes, which the beetle makes with leaves of Quercus ilex 

 and other trees, are formed, the Chalcid oviposits in them. The 

 Chalcid larva attains full growth in six or seven days. The complete 

 life-cycle from egg to adult occupies 14 or 15 days, in May. The adults 

 of the first generation appear from mid-May onwards up to about mid- 

 June. The larvae do not transform into pupae on attaining full- 

 growth ; this takes place in the following April, the larvae having 

 hibernated in the egg-tubes. P. stollwercki may destroy up to 50 per 

 cent, of the eggs of A. nitens and is therefore of some importance in 

 control. Ophioneurus simplex, Ratz., Trichogramma simplex, Rheinh., 

 and Ophioneurus grandis, Thompson, are synonyms of P. stollwercki. 



P. defilippii, Rond., in litt., was observed parasitising Byctiscus 

 betidae, L., by De FiUppi, who placed it in the genus, Ophioneurus. 

 The synonyms of this species are : Ophioneurus jilippii, Rond., and 

 0. signatus, Ratz. Its parasitic habits are probably similar to those 

 of P. stollwercki. Adults were obtained between 1st and 10th June 

 from tubes of Byctiscus collected between 20th May and 3rd Jime. 

 Others were obtained up to 17th June from tubes collected on 5th Jmie. 

 P. defilippii is known to occur in Italy in Piedmont, Liguria, Umbria 

 and in the province of Bari. 



(C311) B 



