624 M. W. R. de V. GRAHAM 



Chlorocytus agropyri Graham 



Chlorocytus agropyri Graham, in Graham & Claridge, 1965 : 288, 307, $. 



Type material. Holotype £, England : Buckinghamshire, Oakley Wood, reared 

 6.V.1958 from culm of Agropyron repens (L.) Beauv. (M. F. Claridge), in Hope 

 Department, University Museum, Oxford. 



England. 



Biology. This species attacks the non-gall-forming Eurytomid larvae associated 

 with Agropyron species, particularly A. repens (L.) Beauv. ; its chief host is Tetramesa 

 cornuta (Walker) (see Claridge, in Graham & Claridge, 1965 : 307). Imagines May- 

 June. 



Chlorocytus breviscapus Graham 



(Text-figs. 502, 507) 



Chlorocytus breviscapus Graham, in Graham & Claridge, 1965 : 286, 307-308, $ $. 



Type material. Holotype $, England : Buckinghamshire, Hell Coppice, near 

 Oakley, reared 9. v. 1958 from Calameuta filiformis Eversm., in stem of Calamagrostis 

 (M. F. Claridge), in Hope Department, University Museum, Oxford. 



Britain, Hungary. 



Biology. Reared from Calameuta filiformis Eversm. in stems of Calamagrostis 

 epigeios L. and from Calameuta in stems of Phalaris arundinacea L. (see Claridge, 

 in Graham & Claridge, 1965 : 308). 



ISOCYRTUS Walker 



Isocyrtus Walker, 1833 : 462. Type-species : I. laetus Walker, by monotypy. 



Kodysia Boucek, 1954 : 65. Type-species : K. tibialis Boucek, by monotypy and original 



designation. 

 Isocyrtus Walker ; Graham, 19566 : 255. 

 Isocyrtus Walker ; Peck et al., 1964 : 41. 

 Isocyrtus Walker ; Graham & Claridge, 1965 : 308. 



Kodysia Boucek was placed in synonymy with Isocyrtus Walker by Graham 

 (1956& : 255). Isocyrtus was wrongly interpreted by Thomson (1878). 

 So far only one species of the genus is known. 



Isocyrtus laetus Walker 



Isocyrtus laetus Walker, 1833 : 466, $. 



Chrysolampus contractus Nees, 1834 : 130, $. 



Kodysia tibialis Boucek, 1954 : 29 (426) : 65, <J $. 



Isocyrtus laetus Walker ; Graham, 1956& : 255. 



Isocyrtus laetus Walker ; Graham & Claridge, 1965 : 308-309, $ $. 



Type material. Isocyrtus laetus Walker. One female and one male stand under 



