566 M. W. R. de V. GRAHAM 



Biology. Reared from galls of Andricus quercusradicis (F.) in France (see Askew, 

 1961 : 62). Imagines in May and June. 



CECIDOSTIBA (CECIDOSTIBA) Thomson 

 Cecidostiba (Cecidostiba) docimus (Walker) comb. n. 



Pteromalus Docimus Walker, 1839 : 217, <J. 

 Pteromalus jucundus Forster, 1841 : 13, $ $, syn. n. 

 Cecidostiba fasciata Askew, 1961 : 59, 62-63, ?> syn. n. 

 Cecidostiba jucundus (Forster) Askew, 1963 : 275-276. 



Type material. Pteromalus docimus Walker. One male, accepted as TYPE ; 

 Waterhouse label. 



Pteromalus jucundus Forster. Syntypes (not seen) in Naturhistorisch.es Museum, 

 Vienna, under the name "Pteromalus aceris" (Forster MS.), labelled "jucundus m. 

 olim " (see Delucchi, 1958a : 52). I have examined specimens from Giraud's 

 collection named as jucundus Forster and believe they are correctly identified. 



Cecidostiba fasciata Askew. Holotype $, France, La Rochelle, July i960 

 (R. Foilliot), in Hope Department, University Museum, Oxford. 



Britain, France, Germany. 



Biology. Reared from galls of Pediaspis aceris Forster (see Askew, 1961 : 63). 

 Imagines in July. 



Delucchi (1958a : 52) transferred Pteromalus jucundus Forster to the genus 

 Trychnosoma Graham. Askew (1963 : 276) preferred to place it in Cecidostiba. 



In my opinion the species is not congeneric with punctipleura Thomson, the 

 type-species of Trychnosoma ; I agree with Askew that it is better placed in 

 Cecidostiba. 



Cecidostiba (Cecidostiba) semifascia (Walker) 



? Cynips fungosus Fourcroy, 1785 : 380. 

 Pteromalus semifascia Walker, 1835 : 494, $. 

 Pteromalus mundus Walker, 1836 : 479, $, syn. n. 

 Pteromalus Pronax Walker, 1839 : 220, <J, syn. n. 

 Pteromalus perditor Forster, 1841 : 27, <J- 

 Pteromalus gallicus Ratzeburg, 1848 : 193. 

 Etroxys {Cecidostiba) truncata Thomson, 1878 : 94, <£ §. 

 Cecidostiba gallica (Ratzeburg) Erdos, 1953 : 228. 

 Cecidostiba semifascia (Walker) Graham, 19566 : 257. 

 Cecidostiba semifascia (Walker) ; Askew, 1961 : 65, $ $. 



Type material. Cynips fungosus Fourcroy. Types not located (probably lost). 

 Kurdjumov (1913 : 19) considered it to be the same as semifascia (Walker), probably 

 on the basis of two specimens identified by Forster as fungosus. Delucchi (1958a : 

 53) thought this synonymy very doubtful. From the original description, fungosus 

 might have been either semifascia (Walker) or hilaris (Walker). 



