ICHNEUMONID FINAL INSTAR LARVAE — SHORT 425 



Ot mm 



Figure 13. — Head sclerites: a, Boethes sp. (Tryphoninae:Boethini); b, Polyblastus pedalis 

 (Cresson) (Tryphoninae:Tryphonini); c, Erromenus dolichops Townes and Townes 

 (Tryphoninae:Tryphonini); d, Exenterus canadensis Provancher (Tryphoninae:Cteniscini); 

 E, Brachycyrtus prctiosus Cushman (CryptinaerBrachycyrtini), antenna not visible on 

 preparation. (1, antenna; 2, spiracle; 3, skin.) 



