Fig. 6c. 



Fic. 6a. 



Fiii. 6h. 



Fig. 7c. 



Fig. I. 



¥n 



Fig. 5h 



Fig. 



Fig. 5c, 



Fig. 7a 



Fig, 4A. 



Fig. 71;. 



Fk; 411 



Plate III. 



Fig. I. — Larva of Bibio poino)i(C ; A, ventral surface. Fig. 2. — Pupa of B.poinoiuc. 

 Fig. 3. — Leg of Aiiarcte albipennis. Fig. 4.— Wing (a) ami antenna (B) of 

 Scatopse bifilala. Fig. 5. — A, Antenna of Aspislcs herolinciisis ; B, wing of ditto : 

 C, leg of ditto. Fig. 6 — a, Bibio marci : B, leg ol Bibio; C, Antenna of 

 B. Mani. Fig. 7. — a, Wing of Dilophus febrilis : B, leg of ditto ; c, antenna 

 of ditto. 



