36 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I07 



Lm' 



Fig. 12. — Diptera. 



A, Ptychopicra sp., Liriopidae, head of larva (outline from Anthon, 1943). 

 B, Bibio albipennis Say, Bibionidae, head of larva. C, Lycoria sp., Fungivoridae, 

 head of larva. D, Theobaldia incidens (Thomson), Culicidae, head of larva 

 (from Cook, 1944), showing distribution of frontoclypeal muscles. E, Acdcs 

 increpitus Dyar, Culicidae, exuviae of head. F, Anopheles macnlipcnnis free- 

 borni Aitken, Culicidae, head of larva. G, Anopheles faratiti Lav., Culicidae, 

 exuviae of head. H, Tipnla abdominalis (Say), Tipulidae, head of larva. I, 

 Tabanus reinwardtii Wied., Tabanidae, head of larva. J, same, exuviae of larval 

 head. 



