PTEROMALIDAE OF N.W. EUROPE 105 



For designation of lectotypes for the above Walker and Thomson species, see 

 Kerrich & Graham (1957 : 293-295). 



Britain, Ireland, Sweden, Finland, Czechoslovakia, Moldavian S.S.R. 



Biology. Reared, together with Anobium punctatum DeG. (Col., Anobiidae) from 

 stems of gorse (Ulex) in the Isles of Scilly, by O. W. Richards (see Kerrich & Graham, 

 1957 : 295). Imagines May-August. 



Plutothrix coelius (Walker) 



Pteromalus Coelius Walker, 1839 : 272, 9- 



Pteromalus Eleuthera Walker, 1848 : 125, 193, $. 



Pteromalus Coelius Walker, 1848 : 126, 211, $. 



Anoglyphis nubilosa Forster, 1878 : 49, $. 



Trigonoderus acuminatus Thomson, 1878 : n, $. 



Pteromalus britannicus Morley, 1910 : 47 [n. n. for P. coelius Walker, 1848, nee 1839]. 



Trigonoderus tristis Walker ; Lyngnes, 1956 : 368-375 [misidentified]. 



Plutothrix coelius (Walker) Kerrich & Graham, 1957 : 296-299. 



Plutothrix coelius (Walker); Ferriere & Kerrich, 1958 : 27, 28, $ $. 



Plutothrix coelius (Walker); Lyngnes, i960 : 122-134, passim. 



Type material. The designations of lectotypes for the above species, given by 

 Kerrich & Graham (1957 : 296-298) are not sufficiently precise in some respects, 

 hence the following notes are added : 



Pteromalus coelius Walker, 1839. — " Found by Mr. Haliday, at Holy wood, near 

 Belfast, Ireland ". (Walker, 1839 : 2 73)- The type female (Type Hym. 5. 1638), 

 bears a small green ticket (indicating Irish origin and also showing that it is a 

 Haliday specimen) and a Waterhouse label. 



Pteromalus coelius Walker, 1848. — The type locality cited (Walker, 1848 : 126) is 

 " a. England. From Mr. Walker's collection ", and the species is described on p. 211 

 of the same work. Kerrich & Graham (1957 : 297) thought it likely that the two 

 descriptions of coelius by Walker (1838 and 1848) referred to the same species and 

 incidently to the same type specimen. However, the type localities cited for the two 

 are different, also further specimens have been found which confirms that coelius 

 Walker (1848) was described from different material from that which formed the 

 basis for his description of coelius (1839). Recently I found two female Plutothrix 

 standing amongst the Walker series of Rhopalicus tutela. One of these is labelled 

 " 38. 8. 13. 64 ", a serial number which is listed in the old BM register of accessions as 

 " Pteromalus near London (May) " ; it agrees very well with the description of 

 Pteromalus coelius Walker, 1848, and is now designated LECTOTYPE. 



Pteromalus eleuthera Walker. Type designated by Kerrich & Graham (1957 : 

 279-298) ; it bears the serial number Type Hym. 5. 1639. 



Britain, Ireland, Norway, Sweden, Germany, Moldavian S.S.R. 



Biology. Reared in England and Norway from Anobium punctatum DeG. (see 

 Kerrich & Graham, 1957 : 298-299). Lyngnes (1956) gave an account (under the 

 name Trigonoderus tristis) of its egg-laying apparatus, copulation, and life history; in 



