170 M. W. R. de V. GRAHAM 



Pteromalus archidemus Walker. One male, LECTOTYPE ; Waterhouse label. 

 It probably belongs to constans. 



Pteromalus orsippus Walker. One male, LECTOTYPE, bearing a Waterhouse 

 label. 



Lamprotatus labaris Walker. One male, LECTOTYPE, bearing a Waterhouse 

 label. 



Pteromalus phalasarna Walker. One female, LECTOTYPE, bearing a Waterhouse 

 label. 



Megorismus Moris Thomson. Syntypes on 15 pins. LECTOTYPE, a female 

 labelled " Bas " [Bastad]. The species was synonymized with constans by Graham 

 (1956). 



Britain, Ireland, Sweden ; probably widely distributed in Europe. In the 

 British Isles it is most frequent in damp places, on moorland and the coast. 

 Biology. Unknown. Imagines July-September. 



Rhicnocoelia impar (Walker) 



Pteromalus impar Walker, 1836 : 469, $. 

 ? Pteromalus brevivitta Walker, 1836 : 470, $. 

 Pteromalus Crotopus Walker, 1839 : 258, <$, syn. n. 

 ? Trigonoderus Alebion Walker, 1848 : 128, 127, <$. 



Type material. Pteromalus impar Walker. Syntypes, 1 ?, 2 (J. LECTOTYPE, 

 the female, bearing a Waterhouse label. 



Pteromalus brevivitta Walker. Syntypes, 2 $. LECTOTYPE, the first specimen, 

 bearing a Waterhouse label. The other specimen appears to be var. y. 



Pteromalus crotopus Walker. One male, LECTOTYPE, bearing a Waterhouse 

 label. 



Trigonoderus alebion Walker. One male, Type Hym. 5. 1640, designated lectotype 

 by Kerrich & Graham (1957 : 299). 



Britain, Ireland ; less frequent than constans. 

 Biology. Unknown. Imagines June-Sept. 



Rhicnocoelia viridis (Delucchi) comb. n. (=Doghmiella viridis Del., 1962a : 8, 9), 

 described from Morocco, is probably very near impar (Walker). 



Rhicnocoelia coretas (Walker) comb. n. 



Lamprotatus coretas Walker, 1848 : 111, 173, <?■ 

 Rhicnocoelia coretas (Walker) Graham, 1956ft : 263, <$. 



Type material. One male, LECTOTYPE (possibly holotype), bearing a 

 Waterhouse label. 



Britain, rare : " England " (Walker, 1848 : in) ; Scotland, Perthshire, Ben 

 Lawers, 1 $, i.vii.1952 (Graham). 

 Biology. Unknown. 



