554 M. W. R. de V. GRAHAM 



Gaster longer than in tripolii, 1-55 to 1-9 times as long as broad, longer than the thorax 

 though slightly shorter than head plus thorax, slightly more acute apically ; basal tergite 

 occupying about one third of the total length ; last tergite less transverse ; ovipositor sheaths 

 projecting more distinctly. 



o*. Differs from the $ as follows : 



POL i-6 to 1-7 OOL. Combined length of pedicellus and flagellum about 1-3 times breadth 

 of head ; pedicellus about 1-5 times as long as broad, half or slightly more than half as long as 

 the first funicular segment ; flagellum subcylindrical, not or hardly stouter than the pedicellus 

 when the latter is seen in dorsal view ; first funicular segment 2 to 2-25 times as long as broad, 

 the following segments relatively shorter though all longer than broad, the sixth i-6 to 1-7 

 times as long as broad ; clava about three times as long as broad, about as long as the combined 

 length of the two preceding funicular segments ; hairs of flagellum standing out at about 45 , 

 their length about half the breadth of the segments that bear them. Marginal vein 1-35 to 1-4 

 times as long as the stigmal vein ; postmarginal vein as long as or slightly longer than the 

 marginal. Gaster oval, slightly shorter and distinctly narrower than the thorax, with a ventral 

 plica. 



On the whole parietinae most resembles tripolii sp. n. ; the differences between the 

 two have been mentioned in the description. 



Holotype $. England : Kent, Eltham, 16. vi. 1943, reared from Oxyna parietina 

 (L.), on Artemisia vulgaris L. (M. Niblett), in Hope Department, University- 

 Museum, Oxford. 



Paratypes. England : Same data as holotype, 2 $, in Hope Department, 

 University Museum, Oxford ; Surrey, Richmond, $$, $$, 8.vi.i96i, swept from 

 Artemisia vulgaris L. {Graham), in Graham collection. 



The SEQUESTER-Grovp 



Habrocytus sequester (Walker) 



(Text-figs. 372, 393) 



Pteromalus varius Walker, 1835 : 494-495, $, syn. n. 

 Pteromalus sequester Walker, 1835 : 495, $. 

 Pteromalus infectus Walker, 1835a : 186, $, syn. n. 

 Pteromalus placidus Walker, 1835a : 187, $, syn. n. 

 ? Pteromalus epimelas Walker, 1836 : 486, $. 

 Pteromalus simulans Walker, 1836 : 495, $, syn. n. 

 Pteromalus Oroetes Walker, 1839 : 211,0*, syn. n. 

 ? Semiotus apionis Goureau, 1847 : 252, pi. 3, no. 2, figs. 13-15. 

 Pteromalus Eulimene Walker, 1848 : 124, 179, $, syn. n. 

 Pteromalus Leguminum Ratzeburg, 1852 : 234, o* $, syn. n. 

 Pteromalus insularis Walker, 18726 : 100, $, syn. n. 

 Habrocytus sequester (Walker) Kurdjumov, 1913 : 21. 



Type material (Walker types bear a Waterhouse label unless otherwise stated) : 

 Pteromalus varius Walker. Syntypes, 3 $. LECTOTYPE, the third. 

 Pteromalus sequester Walker. Syntypes, 4 $. LECTOTYPE, the first specimen. 

 Pteromalus infectus Walker. Syntypes, 2 $. LECTOTYPE, the second. 

 Pteromalus placidus Walker. Syntypes, 3 specimens. LECTOTYPE, the third, 

 a?. 



