PLATE XV. 



[Proc. Wash. Acad. Sci., Vol. II, PI. XXIV.] 

 Byrrhus fasciatus Fabr. 



Fig. i. Lateral view of larva (X4-3)« 



2. Dorsal view of head. 



3. Antennae and ocelli (X35)- 



4. Mandible of adult larva (X35)« 



5. Mandible of young larva (X35)- 



6. Maxillaa and labrum (X35)- 



7. Leg (X35)- 



8. Ventral schlerites of an abdominal segment. 



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