722 M. W. R. he V. GRAHAM 



flies. Some of the host records for Trichomalus cristatus (Forster) mentioned by 

 Nikol'skaya (1937) might refer to the species here called nanus. In Britain imagines 

 have been captured in the field from May until October ; I have also taken a female 

 in December and another in March, which suggests that females hibernate. If so, 

 the life-cycle of nanus differs somewhat from that of posticus (Walker) because I 

 have never found females of the latter during the winter months. 



Trichomalus repandus (Walker) 



(Text-fig. 585) 



Pteromalus repandus Walker, 1835 : 501, 9. 



Pteromalus stenotelus Walker, 1836 : 487, $. 



Pteromalus Samus Walker, 1839 : 221, $. 



Pteromalus cryptophagus Forster, 1841 : 14, 9. 



Pteromalus praetermissus Forster, 1841 : 19, $, syn. n. 



Isocyrtus {Trichomalus) pallicornis Thomson, 1878 : 136, <§ 9- 



Trichomalus cryptophagus (Forster) Mayr, 1903 : 393. 



Trichomalus repandus (Walker) Graham, 19566 : 247. 



Trichomalus repandus (Walker) ; Delucchi & Graham, 1956 : 547-548, 551-552, 6* ?• 



Type material. For designation of lectotypes for, and synonymy of, the above 

 Walker species, see Graham (1956& : 247). 



Pteromalus cryptophagus Forster. Syntypes, 2 $. LECTOTYPE labelled 

 " Collect. G. Mayr " ; " Pt. cryptophagus Forster Type " ; and, in Forster's 

 handwriting, " cryptophagus m ". The species was synonymized with repandus 

 (Walker) by Delucchi & Graham (1956 : 551). 



Pteromalus praetermissus Forster. Three females in Forster collection (Vienna). 

 Only one (LECTOTYPE) agrees well with the description in having its thorax 

 coppery-tinged ; but only the thorax, left wings, fore legs, and one mid leg remain. 

 It is labelled " Collect. G. Mayr " ; " Pt. praetermissus Forster Type ". Delucchi & 

 Graham (1956 : 545) stated that the type was indeterminable because of its damaged 

 state. However, I have re-examined the lectotype and am convinced it is the same 

 as repandus (Walker). One of the other syntypes, which is in good condition but 

 has the thorax green, and so disagrees with the description, is also a female of 

 repandus, which supports my conclusion. 



Isocyrtus (Trichomalus) pallicornis Thomson. Syntypes on 27 pins. LECTO- 

 TYPE, female labelled " Reft " [Reftera]. 



Britain, Sweden, Germany ; uncommon. 

 Biology. Unknown. Imagines May- July. 



Trichomalus conifer (Walker) comb. n. 



Pteromalus laticornis Walker, 1836 : 475 o* [nee $], syn. n. 



Pteromalus conifer Walker, 1836 : 484, $. 



? Pteromalus exilis Forster, 1841 : 13, $ [nee Walker, 1836]. 



? Pteromalus germanus Dalla Torre, 1898 : 127 [n. n. for exilis Forster nee Walker]. 



? Trichomalus exilis (Forster) Mayr, 1903 : 393. 



? Trichomalus exilis (Forster) ; Delucchi & Graham, 1956 : 549, 564-565, $. 



