PTEROMALIDAE OF N.W. EUROPE 169 



Key to European Species 

 (Females) 



1 Head in dorsal view about 2-2 times as broad as long. Head and thorax 



mainly dark blue. Antennal flagellum rather strongly clavate ; fourth 

 funicular segment slightly transverse, fifth and sixth about 1-5 times as 

 broad as long. Legs very stout ; hind femur (excluding trochantellus) 

 hardly more than three times as long as broad. (Czechoslovakia) sp. indet. (p. 171) 



- Head in dorsal view 1-9 to 2-05 times as broad as long. Head and thorax 



some tint of green, blue-green, or bronze-green ..... 2 



2 (1) Antennal flagellum more strongly clavate ; third funicular segment very 



slightly transverse, fourth slightly so, fifth and sixth 1-5 times as broad as 

 long. Rather squat species ; thorax about 1-75 times as long as broad. 

 Fore wing with marginal vein 1-7 to 1-75 times as long as the stigmal vein. 

 Legs stout ...... coretas (Walker) (p. 172) 



- Antennal flagellum less strongly clavate ; as a rule only the sixth funicular 



segment is somewhat transverse, occasionally the fifth is slightly so, rarely 

 the fourth very slightly transverse. More slender species ; thorax 1 -8 to 

 2 times as long as broad ......... 3 



3 (2) Gaster 1-75 to 2 times as long as broad, not or hardly longer than the thorax ; 



tip of hypopygium situated at two thirds to three quarters the length of the 

 gaster. Marginal vein of fore wing 1 -8 to 2 times as long as the stigmal vein. 

 Femora and tibiae red, usually with at most a black stripe on the external 

 aspect of the fore femora ; occasionally with a dark stripe on the mid 

 femora beneath, rarely with a dark stripe on the hind femora in some 

 specimens from northern Britain .... constans (Walker) (p. 169) 



- Gaster 2-2 to 2-7 times as long as broad, distinctly longer than the thorax ; 



tip of hypopygium situated only slightly beyond half the length of the 

 gaster. Marginal vein of fore wing 2 to 2-2 times as long as the stigmal vein. 

 Femora and tibiae sometimes red, but often all the femora are partly to 

 mainly infuscate, whilst some or all of the tibiae may be partly so 



impar (Walker) (p. 170) 

 I am unable to provide a key to males at present. 



Rhicnocoelia constans (Walker) 



Pteromalus constans Walker, 1836 : 468, $. 



Pteromalus Mens Walker, 1836 : 469, $. 



? Pteromalus Vindalius Walker, 1839 : 256, $. 



? Pteromalus Archidemus Walker, 1839 : 259-260, <J. 



? Pteromalus Orsippus Walker, 1839 : 260, <J. 



? Lamprotatus Labaris Walker, 1848 : 111, 170, <$. 



? Pteromalus Pkalasarna Walker, 1848 : 126, 206, $. 



Megorismus Moris (Dalman MS.) Thomson, 1876a : 241, $ 9. 



Rhicnocoelia constans (Walker) Graham, 19566 : 263. 



Type material. Pteromalus constans Walker. Syntypes, 6 specimens. Lecto- 

 type designated by Graham (1956& : 263). 



Pteromalus cliens Walker. Type Hym. 5. 1697, lectotype designated by Graham 

 (1956ft : 263), who synonymized the species with constans. 



Pteromalus vindalius Walker. Syntypes, 2 cy. LECTOTYPE, the first, bearing a 

 Waterhouse label. 



