PTEROMALIDAE OF N.W. EUROPE 



647 



dark femora. Antennae with combined length of pedicellus and fiagellum 

 only about 0-7 times the breadth of the head ; fiagellum strongly clavate ; 

 first funicular segment quadrate to slightly transverse, fifth strongly 

 transverse ....... citrinus (Ratzeburg) (p. 673) 



Malar space from somewhat more than one third, to fully half, the length of an 

 eye. Eyes 1-25 to 1-4 times as long as broad. Face below antennal toruli 

 not noticeably prominent. Head and thorax usually green to blue ; less 

 often greenish bronze to bronze, in which case the antennal fiagellum has its 

 distal segments at most slightly transverse ...... 40 



Anterior median 

 incision 



Sublateral 

 sclerotized area 



Median 

 sclerotized area 



Posterior median 

 incision 



550 



Figs. 549-555. Mesopolobus spp. 549, decorus (Walker), $, hypopygium ; 550, prasinus 

 (Walker), $, hypopygium ; 551, teliformis (Walker), §, hypopygium ; 552, laticornis 

 (Walker), $, hypopygium ; 553, pseudolaticornis v. Rosen, $, hypopygium ; 554. 

 nobilis (Walker), <$, head ; 555, agropyricola v. Rosen, $, head. 



