432 M. W. R. de V. GRAHAM 



OXYSYCHUS Delucchi 



Oxysychus Delucchi, 1956a : 240, 246. Type-species : Dinarmus silvestrii Masi, 1921, by 



original designation. 

 Oxysychus Delucchi ; Peck et al., 1964 : 46-47. 



Delucchi (1956a : 247-248) published a key to the European species, of which 

 he recognized four. Of these, I have seen the types only of pilosulus (Thomson) 

 and have nothing to add to Delucchi's information. 



Oxysychus silvestrii (Masi) 



Dinarmus silvestrii Masi, 1921a : 271, 272-273, $. 

 Oxysychus silvestrii (Masi) Delucchi, 1956a : 248-249, $. 



Type material. Holotype $, Italy, Isle of Giglio, July 1901 (G. Doria), in Museo 

 Civico di Storia Naturale, Genoa. 



Italy. 



Biology. Unknown. 



[Oxysychus regnieri (Masi) 



Dinarmus regnieri Masi, 1934a : 98, 9. 



Oxysychus regnieri (Masi) Delucchi, 1956a : 248, 249-250, $. 



Type material. Holotype $, Moroccan Sahara, Oasis of Tarzougeurt, in Museo 

 Civico di Storia Naturale, Genoa. 



Moroccan Sahara and Tangier. 



Biology. Reared, according to Masi (1934a : 98) together with Hesperophanes 

 fasciculatus Fin. (Col., Cerambycidae) and Hypoborus ficus Erik. (Col., Ipidae) 

 on fig]. 



Oxysychus pilosulus (Thomson) 



Dimachus {Dinarmus) pilosulus Thomson, 1878 : 57, $. 

 Dinarmus pilosulus Thomson ; Masi, 1921a : 270. 

 Oxysychus pilosulus (Thomson) Delucchi, 1956a : 247, 251, $. 



Type material. Syntypes, 3 $. LECTOTYPE, a specimen labelled " KK 

 Bhn " [Kinnekulle, Boheman] and " pilosulus Ths ". 



Sweden. 



Biology. Unknown. 



Oxysychus planiscuta Delucchi 



Oxysychus planiscuta Delucchi, 1956a : 247-248, 251-252, $. 



Type material. Holotype $, France, Var, Gorges d'Ollioules, 23.viii.1947 

 (/. Barbier), in coll. C. Granger, Paris. 



