PTEROMALIDAE OF N.W. EUROPE 665 



margin very shallowly emarginate. Face, just below antennal toruli, slightly prominent. 

 Antennal scrobes extremely shallow. Head moderately finely reticulate, the genae finely, 

 the frons rather more coarsely so. Antennae (Text-fig. 538) inserted low on the head, the lower 

 edge of their toruli at or hardly above the level of the ventral edge of the eyes ; combined 

 length of pedicellus and flagellum somewhat less than breadth of head ; pedicellus (profile) about 

 twice as long as broad, slightly longer than the three anelli together ; flagellum proximally 

 less stout than the pedicellus, but strongly clavate distally ; first anellus short, moderately 

 transverse ; second slightly longer and less transverse ; third still longer, subquadrate ; first 

 funicular segment quadrate or a little longer than broad, second and third segments sub- 

 quadrate, fourth slightly transverse, fifth very distinctly so ; clava slightly broader than the 

 funicle, slightly less than twice as long as broad, as long as or slightly longer than the three 

 preceding funicular segments together ; sensilla sparse on the funicular segments, more num- 

 erous on the clava, in one row on each segment. 



Thorax elongate, nearly twice as long as broad. Pronotal collar slightly less wide than the 

 mesoscutum, fairly long medially, one eighth as long as the mesoscutum or slightly more, 

 and still longer at the sides, somewhat coarsely reticulate, its front edge very sharp throughout 

 and with a slightly raised margin. Mesoscutum only 1 -2 to 1 -25 times as.broad as long, strongly 

 and somewhat coarsely reticulate discally, more finely at the sides. Scutellum rather weakly 

 convex, slightly longer than broad, finely reticulate, like the axillae. Dorsellum a narrow 

 almost smooth transverse crest which is separated from the scutellum by a longitudinally 

 costate suture. Propodeum about half as long as the scutellum, medially somewhat produced 

 beyond the bases of the hind coxae ; median area 1 1 to 1-2 times as broad as long, well-defined 

 laterally, the plicae being very distinct, and often sharp, throughout ; panels of median area 

 finely, obliquely strigose-reticulate, with some short carinulae at the base ; median carina 

 irregular ; nucha almost smooth, separated from the median area by a groove which has some 

 longitudinal costulae ; spiracles oval, separated by about half their length from the metanotum. 

 Postspiracular sclerite rather shiny, irregularly, and in its upper part rather weakly, reticulate. 

 Mesepisternum moderately finely reticulate ; its upper triangular area only partly smooth, its 

 lower part being very finely reticulate. Mesepimeron rather more coarsely reticulate than the 

 mesepisternum ; metapleuron more weakly sculptured than the mesepimeron. Legs rather 

 short and not slender. Fore wing with costal cell having its upper surface bare, lower surface 

 with a complete row of hairs and with some additional hairs scattered over the distal third ; 

 basal cell and basal vein bare ; speculum, on upper surface of wing, extending below the 

 marginal vein for about one third the length of the latter ; surface beyond the speculum 

 moderately densely pilose ; marginal vein 2-1 to 2-5 times as long as the stigmal vein, and i-i 

 to 1-25 times as long as the postmarginal ; stigmal vein slightly curved, stigma small and 

 obliquely suboval. 



Gaster long-ovate, from nearly as long as, to somewhat longer than, the head plus thorax, 

 2 to 2-5 times as long as broad ; basal tergite occupying one quarter of the total length, or 

 slightly less, its hind edge weakly emarginate medially ; last tergite slightly shorter than, or 

 as long as, its basal breadth ; hypopygium extending about half way along the gaster. 



o*. Not definitely associated (see note below). 



Holotype $. England : Marston Ferry, near Oxford, 23. ix. i960, swept from 

 foliage of Salix purpurea L. (Graham), in Hope Department, University Museum, 

 Oxford. 



Paratypes. Same locality as holotype, 1 $, 21. ix. i960, 1 $, 23. ix. i960, 1 $, 

 5.VL1961, swept from foliage of Salix purpurea L. (Graham), in Graham collection. 



Biology. Unknown. 



This species appears to be most closely allied to fasciiventris Westwood and 

 jucundus (Walker), which it resembles in the shape of the head, pronotum, sculpture 

 of mesepisternum, and venation of fore wings. It differs from both in its longer 



