11 



Tram. Ent. Sac. Lond. igo^. PI. VII. 



i % ,'■ f\M ,.^ 



13 



11 A 



12 A 



's^' 13aV 



mS 



14a 



16 



17 



IS 



-\r^ 





15a 



16a 



17a 



18a 





% / 



^^ 



19 



^ar\ 



23 



*^\^ 



21a 



23a 



,Wmi. F. /) l/.i)/. 



hi, I'm' (f- Skig:h. Ltd- 



Male Terminal Segments and Armatures in Species of the 

 Hymenopterous Genus Colletes. 



