PTEROMALIDAE OF N.W. EUROPE 693 



(up to 1 -5 times) longer than its basal breadth ; hairs of dorsal surface numerous, especially 

 on the last three tergites ; tip of hypopygium situated at about one third the length of the 

 gaster, or slightly more. 

 o* Unknown. 



France : unlocalized, 10 $$, the first two labelled " Pteromalus lapsanae m." 

 in Giraud's handwriting ; one of the remaining females is the holotype and bears 

 my determination label. 



Holotype female and paratypes in Museum Nationale d'Histoire Naturelle, Paris 

 (Giraud coll.). 



The main distinctions between lapsanae and the other described species are 

 summarized in the accompanying key. 



Biology. Reared from " Aulax lapsanae, sur Lapsana communis " (Giraud & 

 Laboulbene, 1877 : 429). 



Stinoplus etearchus (Walker) comb. n. 



Pteromalus Etearchus Walker, 1848 : 126, 205, $. 

 Stinoplus aureolus Thomson, 1878 : 109, $, syn. n. 



Type material. Pteromalus etearchus Walker. One female, LECTOTYPE, 

 bearing a Waterhouse label. 



Stinoplus aureolus Thomson. Syntypes on 9 pins. The third pin bears 3 $ and 

 a pale green label " Hg " [Halsingborg] ; the third specimen from the top is 

 designated LECTOTYPE, and I have marked its card-point with a red line. 



Britain, Ireland, Sweden. 



Biology. Females were reared i.vii.1923, Ireland, Co. Dublin, Rush (4. W. 

 Stelfox) from Hypochoeris radicata L. together with several Phanacis hypochoeridis 

 (Kieffer) which may have been their host. 



Stinoplus pervasus (Walker) comb. n. 

 (Text-fig. 563) 



Pteromalus pervasus Walker, 1836 : 489, $. 

 Pteromalus Tedanius Walker, 1845 : 262, $, syn. n. 

 Pteromalus Tedanius Walker, 18466 : 271, $. 

 Pteromalus Tedanius Walker, 1846c : 158-159, $. 



Type material. Pteromalus pervasus Walker. One female, LECTOTYPE 

 (but possibly holotype) ; a Waterhouse label. 



Pteromalus tedanius Walker. One female, LECTOTYPE ; Waterhouse label. 



Britain. 



Biology. Unknown. Imagines June-July. 



