14 



CIRCULAR 3 92, U. S. DEPARTMENT OF AGRICULTURE 



Figure 6. — Symptoms of European foulbrood: A, Ventral view of an extended larva 

 recently dead of European foulbrood; B, extended larva partly decayed; C, scale 

 of an extended larva; D, recently dead larva; and E and F, scales of dead larvae 

 irregularly twisted; G, oral view of recently dead extended larva; H, partially 

 decayed larva; I, scale of larva that died after straightening out. 



