482 M. W. R. de V. GRAHAM 



Pteromalus codrus Walker. Syntypes, 4 specimens. LECTOTYPE, a male 

 labelled " 38. 7. 12. 217 ". 



Pteromalus triqueter Forster, P. flavitarsis Forster and P. lutescens Forster. Types 

 (not seen by the writer) in Naturhistorisches Museum, Vienna. Delucchi saw these 

 types and placed the three species in synonymy with Spintherus obscurus Thomson 

 (Delucchi, 1958a : 52). 



Pteromalus opheltes Walker. One $, LECTOTYPE. 



Pteromalus hermachus Walker. One $, LECTOTYPE. 



Pteromalus anchinoe Walker. One £, LECTOTYPE. 



Pteromalus alimentus Walker. One $, LECTOTYPE. 



Pteromalus caligatus Walker, 1874. One $, Type Hym. 5. 725, LECTOTYPE, 

 labelled " 142 ", " Amurland. Coll. F. Walker 1913-71 " and (in Walker's 

 handwriting) " Pteromalus colligatus " [sic]. It is not clear whether the species 

 name as written on the label is a lapsus, or whether Walker intended to describe 

 it under that name. I assume that he had forgotten his earlier caligatus (1836). 



Spintherus obscurus Thomson. Syntypes on 25 pins. One pin carries 5 females 

 and is labelled " O " [Oland] and " obscurus Ths " ; the uppermost female is 

 designated LECTOTYPE. 



Widely distributed in Europe, from the British Isles to U.S.S.R., and extending 

 nearly to the eastern limit of the Siberian region. 



Biology. Kurdjumov (1913 : 18) recorded this species [under the name 

 " Spintherus linearis Walker "] as having been reared in U.S.S.R. from Apion trifolii 

 [?=aestivum Germar] and " A. africum " [? apricans Herbst] ; also as a parasite of 

 Apion sp. on clover. I have examined some specimens reared in Britain from 

 Apion sp. in the seeds of Trifolium pratense L. In Britain imagines appear in the 

 field in April-May and August-September (I swept 1 $ on 21.iii.1950, from foliage 

 of Cupressus, at Salmonby, Lincolnshire). 



Note. Spintherus dubius Ashmead {in Riley et at. 1894c : 159, $), the type $ 

 of which is in BM(NH) as Type Hym. 5. 783, is not a Spintherus. It may belong 

 in the neighbourhood of the genus Chlorocytus Graham. 



SCEPTROTHELYS Graham 



Sceptrothelys Graham, 1956 : 89. Type-species : Pteromalus grandiclava Walker, 1835a, by 



original designation. 

 Sceptrothelis Graham ; Delucchi, 1958a : 51 [invalid emendation], 

 Sceptrothelys Graham ; Peck et al., 1964 : 46. - 



Key to European Species 



(Females) 



- Antenna (Text-fig. 362) with first funicular segment slightly longer than broad, 



about equal in length to the pedicellus, second and third subquadrate, the 

 following segments very slightly transverse. Clava viewed ventrally (Text- 

 fig. 363) with its area of micropilosity extending about half way towards the 

 base ; apical margin of first claval segment nearly straight 



parviclava sp. n. (p. 487) 



