40 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I39 



Ll 



Kd MxMxPlp 



Fig. 15. — Development of pupal mouth parts and an adult leg. 



A, Vertical median section through labiohypopharyngeal lobe of larva _ of 

 Aedes, with contained rudiment of pupal labium (from Salem, 1931)- B, Section 

 of anterior part of head of Culex larva, with pupal labrum and labium forming 

 inside the unshed larval cuticle (from Thompson, 1905). C, Head of Culex 

 pupa removed from larval cuticle, with pupal mouth parts in early stage of 

 development (from Thompson, 1905). D, Pupal head of Aedes aegypti, lateral. 

 E, Same, anterior. F, Fully developed pupal mouth parts of Aedes aegypti. 

 G, Distal part of a pupal leg with adult leg formed within it. 



Ant, antenna ; Aul, aulaeum ; Clp, clypeus ; Hphy, hypopharynx ; Li, first leg ; 

 Lb, labium ; ICt, larval cuticle ; Lm, labrum ; Md, mandible ; Mx, maxilla ; 

 MxPlp, maxillary palpus ; pLb, pupal labium ; pLm, pupal labrum ; Pip, palpus ; 

 SIDct, salivary duct ; SIO, salivary orifice ; SoeGng, suboesophageal ganglion ; 

 Tb, tibia. 



