582 M. W. R. de V. GRAHAM 



I can see no valid structural differences between the lectotype of violaceus Zetter- 

 stedt and that of pilosella Thomson. The head and thorax vary from mainly 

 olive-green as in the type of pilosella, to blue with a violet tinge in places as in the 

 type of violaceus ; some of Thomson's specimens are intermediate in colour. 



Sweden, Norway. 



Biology. Reared in Germany from Magdalis violacea L. by M. Postner, the 

 material determined by Dr. Delucchi (Secretariat, etc., 1957 : 319, 324.) 



APELIOMA Delucchi 



Apelioma Delucchi, 1956& : 68-70. Type-species : Dinotus pteromalinus Thomson, 1878, by 



original designation. 

 Apelioma Delucchi ; Graham, 1961 : 171-173. 



Key to European Species 



(Females) 



1 Hind coxae pilose dorsally in their basal half. Antenna with combined length of 

 pedicellus and flagellum 1-3 to 1-4 times the breadth of the head ; line of micro- 

 pilosity on the clava extending nearly to its base. Anterior margin of clypeus 

 distinctly emarginate. Fore wing with marginal vein shorter than, or at most as 

 long as, the postmarginal vein . . . pteromalinum (Thomson) (p. 582) 



- Hind coxae bare dorsally in their basal half or more. Antenna (Text-fig. 429) with 



combined length of pedicellus and flagellum only slightly greater than breadth of 

 head ; line of micropilosity on the clava (Text-fig. 430) extending hardly half way to 

 the base. Anterior margin of clypeus very shallowly emarginate, almost truncate. 

 Fore wing with marginal vein a little longer than the postmarginal vein 



restrictum Graham (p. 583) 



(Males) 



1 Hind coxae pilose dorsally in their basal half. Combined length of pedicellus and 

 flagellum 1-5 to 1-65 times the breadth of the head. Anterior margin of clypeus 

 distinctly emarginate ..... pteromalinum (Thomson) (p. 582) 



- Hind coxae bare dorsally in their basal half or more. Combined length of pedicellus 



and flagellum about 1-25 times the breadth of the head. Anterior margin of 

 clypeus very shallowly emarginate, almost truncate . . restrictum Graham (p. 583) 



For other small differences between these two species see Graham (1961 : 172). 



Apelioma pteromalinum (Thomson) 



Dinotus pteromalinus Thomson, 1878 : 40, <$ $. 



Apelioma pteromalinum (Thomson) Delucchi, 19566 : 69-70. 



Apelioma pteromalinum (Thomson) ; Graham, 1961 : 171, <$ $. 



Type material. Syntypes, 3 $, 1 <$. Lectotype $ selected by Delucchi (1956& : 

 69). 



Britain, Sweden. 



Biology. Unknown. Imagines captured in June and August. 





