PTEROMALIDAE OF N.VV. EUROPE 59 



(Females) 



1 Interantennal crest in profile appearing like an acute spike (though rather less de- 

 veloped than that of the male, cf. Text-fig. 71). Antennal scape relatively stouter, 

 3 '3 to 3-5 times as long as its maximum breadth. Scutellum (Text-fig. 69) 

 narrowing forwards almost to a point ; frenum indicated by an area of delicate 

 alutaceous sculpture, anteriorly often marked off at the sides by a weak impressed 

 line. Larger species, 2-5 to 3-4 mm. Infuscate cloud below the stigmal vein 

 usually weak, sometimes absent .... cornigera Westwood (p. 59) 



- Interantennal crest in profile appearing right-angled or slightly obtuse-angled, less 

 prominent than in cornigera. Antennal scape relatively less stout, about four 

 times as long as its maximum breadth. Scutellum more rounded at base ; frenum 

 not indicated, smooth like the rest of the scutellum or with at most traces of ex- 

 tremely weak sculpture. Smaller species, 2 to 3 mm. Infuscate cloud below the 

 stigmal vein usually stronger and extending well across the wing ruja (Walker) (p. 60) 



The BM(NH) collection contains specimens of a Cerocephala (some determined as 

 eccoptogastri Masi, others as cornigera Westwood) from Turkey, Palestine, and Egypt, 

 which resemble ruja (Walker) in size and in the structure of the scutellum. The 

 females differ from those of ruja in having the interantennal crest acute in profile, 

 the upper lateral processes of the face forming small though distinct pointed teeth, 

 these are hardly developed, and obtuse, in ruja ; the antennal scape is also rather 

 stouter than in ruja. The males differ from those of ruja in having the interantennal 

 crest appearing like an acute spike in profile, as in male cornigera, the upper lateral 

 process of the face in profile forms an acute tooth, in cornigera and ruja it does not 

 form a tooth ; the malar space is more than three quarters the length of an eye, in 

 ruja it is three quarters or rather less. These specimens may well be eccoptogastri 

 Masi, the types of which I have not seen ; if not, then they must represent a new 

 species. 



Cerocephala cornigera Westwood 



Genus 172 (746), species 5351, cornigera, Stephens, 1829 : 394 [nom. nud.]. 



Cerocephala cornigera Westwood, 1832 : pi. 4, $. 



Cerocephala cornigera Westwood ; Walker 1834 : J 49> ex parte [Stephens record]. 



Cerocephala cornigera Westwood ; Stephens, 1846 : 6, pi. 45, fig. 1, <$. 



Sciatherus trichotus Ratzeburg, 1848 : 209, pi. 3, fig. 1. 



Cerocephala cornigera Westwood ; Gahan, 1946 : 358-360, ex parte. 



Cerocephala trichotus (Ratzeburg) Szczepahski, i960 : 415, 420, figs. 2, 4. 



Type material. Cerocephala cornigera Westwood. Holotype <$ in BM(NH), 

 pinned to an oblong card and bearing the following labels : " Stephens' Coll. 

 53.46"; "Cerocephala cornigera Steph." [sic] ; "cornigera mini"; "CERO- 

 CEPHALA " (the latter label handwritten). 



Gahan (1946 : 359) reported "... during a visit to the Hope Museum at Oxford, 

 England, I saw the type of Cerocephala cornigera Westwood . . . ". The specimen in 

 the Hope Department is not, however, the type of cornigera ; the label bears data 

 which disagree with that originally given by Westwood, moreover the specimen does 

 not fit the description. The label states that it was captured by R. Lewis in St. 



