PTEROMALIDAE OF N.VV. EUROPE 775 



Holotype $. England : Lincolnshire, Woodhall Spa, 25.vii.1951 (Graham), in 

 Graham collection. 



Paratype $. Same data as holotype, in Graham collection. 



This species belongs to the group of hemipterus (Walker) and may be distinguished 

 from the other species of that group by the characters given in the key. 

 Biology. Unknown. The types were captured in a marshy field. 



Eupteromalus sp. indet. H 



England : Oxfordshire, Otmoor, 1 $, 27.viii.1955 (Graham). Appears to be a 

 rather distinct species. 



Eupteromalus sp. indet. I 



England : Berkshire, Wytham, 1 <§, 2.VH.1960 (Graham). Not associated with 

 any $. 



Eupteromalus caesareus (Dalla Torre) comb. n. 



Pteromalus gentilis Forster, 1841 : 19, $ [nee Walker, 1836.]. 

 Pteromalus caesareus Dalla Torre, 1898 : 115 [nom. n.]. 

 Eupteromalus gentilis (Forster) Kurdjumov, 1913 : 13. 

 Eupteromalus gentilis (Forster) ; Delucchi, 1958a : 56, 9- 



Type $ (Germany) recognized by Delucchi (1958a) who stated that it is a valid 

 species. I have not seen the type and cannot recognize the species. 



Eupteromalus pospelovi (Kurdjumov) 



Pteromalus pospelovi Kurdjumov, 1912 : 229-230, $. 

 Eupteromalus pospelovi (Kurdjumov) Kurdjumov, 1913 : 13. 



Type material. 6 9. U.S.S.R., reared from Agrilus hastulifer (V. Pospelov) stated 

 to have been in the Entomological Station, Kiev (not seen). 



I have nothing which seems to fit the description of this species and cannot 

 recognize it. 



U.S.S.R. 



The chief references to the following North American species which are included 

 in my key to females, are given below ; many other references will be found in 

 Peck (1963 : 683-690). 



Eupteromalus americanus Gahan 

 (Text-figs. 602, 609) 



Eupteromalus americanus Gahan, 1933 : 82-86, <J $. 



U.S.A. 



Biology. Host Phytophaga destructor Say (Dipt., Cecidomyiidae). 



