PTEROMALIDAE OF N.W. EUROPE 



365 



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Figs. 299-309. 299, Callitula bicolor Spinola, $, antennal clava ; 300, Merisus splendidus 

 Walker, $, antennal clava ; 301, Norbanus scabriculus (Nees), $, antennal clava ; 302, 

 Catolaccus ater (Ratzeburg), $, head ; 303, Heteroprymna longicornis (Walker), $, head, 

 profile ; 304, Gbelcia crassiceps Boucek, $, head ; 305, Endomychobius endomychi 

 (Walker), $, head ; 306, Tomicobia promulus (Walker), $, gaster, caudal view ; 307, 

 Hobbya stenonota (Ratzeburg), $, head ; 308, Psychophagus omnivorus (Walker), $, 

 fore wing venation ; 309, Arthrolytus (Anarthrolytus) ocellus (Walker), $, fore wing 

 venation. 



