PTEROMALIDAE OF N.W. EUROPE 243 



median area of propodeum more coarsely sculptured with several strong 

 wrinkles (Ireland) ......... sp. indet. 



Antennal pedicellus not swollen, much shorter than anelli plus first funicular 



segment ............ 2 



2 (1) Sculptured part of gastral petiole fully as long as, or slightly longer than, 



broad ; its front edge raised to form a sharp, curved transverse carina. 

 Stigma of fore wing large and subtriangular, as in Miscogaster. Costal cell 

 of hind wing with hairs scattered over most of its surface 



clavigerum (Thomson) (p. 243) 

 Sculptured part of gastral petiole at least slightly broader than long ; its 

 front edge sometimes less distinctly carinate. Stigma of fore wing moderate- 

 sized or small, not subtriangular. Costal cell of hind wing with at least its 

 basal half bare ......... ;. 



3 (2) Mesoscutum and vertex with numerous and distinct piliferous punctures ; mid 



lobe of mesoscutum with hairs scattered over its whole surface. Antennal 

 seventh funicular segment varying from quadrate to 1 -5 times as long as 

 broad ; combined length of pedicellus and flagellum hardly 1 -5 times 

 breadth of head, flagellum stout ; scape hardly expanded distally. Pro- 

 podeum, just on either side of the median carina, with weak or subobsolete 

 sculpture, hence shiny .... socium (Zetterstedt) (p. 244) 



Mesoscutum and vertex with less numerous and rather indistinct piliferous 

 punctures ; mid lobe of mesoscutum tending to be bare down the middle. 

 Antennal seventh funicular segment i-8 to 2-3 times as long as broad ; 

 combined length of pedicellus and flagellum 1-7 to 2 times breadth of head 4 



4 (3) Antennal scape hardly expanded distally, its outer surface wholly or nearly 



wholly reticulate. Gastral petiole usually with one to three hairs on each 

 side. Left mandible with three teeth, right mandible with four 



triangulate (Thomson) (p. 244) 

 and mirabile Delucchi (p. 245) 

 - Antennal scape (Text-fig. 185) strongly expanded distally, its outer surface 



with a large shiny boss which extends at least half way down. Gastral 

 petiole bare at sides. Both mandibles (in the specimens examined) 

 with four teeth ........... 5 



5 (4) Antenna with combined length of pedicellus and flagellum 1-9 to 2 times 



breadth of head ; seventh funicular segment 2 to 2 -3 times as long as broad ; 

 shiny boss of scape extending more than half way down (Text-fig. 185) 



novickyi Delucchi (p. 245) 

 Antenna with combined length of pedicellus and flagellum about 1-7 times 

 breadth of head ; seventh funicular segment hardly twice as long as 

 broad ; shiny boss of scape extending about half way down 



? glaucum Delucchi (p. 246) 



Skeloceras clavigerum (Thomson) comb. n. 



Lamprotatus claviger Thomson, 1876a : 225, 5* $ [nee Delucchi, 1955]. 

 Skeloceras seiunctum Delucchi, 1953a : 217, $ $, syn. n. 

 Skeloceras seiunctum Delucchi, 1955 : 21, 22, o* $. 



Type material. Lamprotatus claviger Thomson. There are 8 specimens under 

 this name but the first and fourth disagree with the description and are probably 

 not syntypes. The others are all conspecific and are clearly syntypes ; from them 

 I select a female labelled " Tor " [Torekov] and " Scan ", as LECTOTYPE. 



