PTEROMALIDAE OF N.W. EUROPE 161 



Halticoptera hippeus (Walker) comb. n. 



Miscogaster Hippeus Walker, 1839 : 203, <J. 

 Miscogaster Eurybia Walker, 1839 : 203, <j>, syn. n. 

 Miscogaster Tyrrhoeus Walker, 1839 : 204 " <j> " \recte £\, syn. n. 

 Halticoptera crassipes Thomson, 1876a : 252, $, syn. n. 



Type material. Miscogaster hippeus Walker. One male, LECTOTYPE, labelled 

 " Hippeus " in Walker's handwriting, also bearing a label " Halticoptera sp. <$ Ch. 

 Ferriere det.". 



Miscogaster eurybia Walker. Two females (one possibly not original material). 

 LECTOTYPE bearing a Waterhouse label " Pachylarthrus Eurybia Walker ". 



Miscogaster tyrrhoeus Walker. Two males. LECTOTYPE, the first specimen, 

 labelled " Tyrrhoeus " and with a BM(NH) Type label. 



Halticoptera crassipes Thomson. Syntypes, 6 specimens. LECTOTYPE, a 

 female labelled " Bas " [Bastad]. 



Britain, Sweden ; uncommon. 



Biology. Unknown. Imagines June and July. 



Halticoptera brevicornis Thomson 



Halticoptera brevicornis (Dalman MS.) Thomson, 1876a : 251,0* ?• 



Type material. Syntypes on 25 pins. LECTOTYPE, a female labelled " Ar " 

 [Arrie] and " Scan ". 



Britain, Ireland, Sweden. In southern England I have found this species to 

 be common on chalk downland. 

 Biology. Unknown. 



Halticoptera nobilis (Walker) comb. n. 



Lamprotatus nobilis Walker, 1874 : 314, $. 

 Pachylarthrus promerus Walker, 1874 : 316, $, syn. n. 



Type material. Lamprotatus nobilis Walker. LECTOTYPE, $ Type Hym. 5. 

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

 " Lamprotatus nobilis ". 



Pachylarthrus promerus Walker. LECTOTYPE, <$ Type Hym. 5. 849, labelled 

 " Amurland. Coll. F. Walker 1913-71 " and (in Walker's handwriting) " Pachyl- 

 arthrus promerus ". 



Asia : Amurland. 

 Biology. Unknown. 



Halticoptera mustela (Walker) comb. n. 



Walker, 1839 : 194, q*. 

 Talker, 1839 : 195, $, syn. n. 



Type material. Pachylarthrus mustela Walker. LECTOTYPE (Pholotype) $, 



Pachylarthrus Mustela Walker, 1839 : 194, <J. 

 Pachylarthrus Elyces Walker, 1839 : 195, $, syn. n 



