NO. 8 ANATOMICAL LIFE OF THE MOSQUITO SNODGRASS 



53 



Fig. 20. — Head and mouth parts of an adult female mosquito, Aedes aegypti 



except G. 



A, Head and base of proboscis, anterior. B, Same, posterior. C, Clypeus and 

 base of proboscis, lateral. D, Head, lateral. E, Same, with mouth parts 

 separated. F, End of labium, dorsal. G, Cross section of proboscis of Anopheles 

 (from Vogel, 1921). H, Distal ends of mouth part stylets. I, Basal parts of 

 maxilla. J, Proximal parts of right maxilla and labium, posterior. 



at, anterior tentorial pit ; Cd, cardo ; Clp, clypeus ; cs, median cranial sulcus ; 

 E, compound eye ; jc, food canal ; For, occipital foramen ; Fr, f rons ; Hphy, 

 hypopharynx ; Hst, hypostome ; Lb, labium ; Lbl, labellum ; Lc, lacinia ; LG, 

 labial gutter ; Lig, ligula ; Lm, labrum ; mcl, muscle ; Md,Mds, mandible, 

 mandibles ; Mx,Mxae, maxilla, maxillae ; MxPlp, maxillary palpus ; Nv, nerve ; 

 Pdc, antennal pedicel ; Pip, palpus ; Prb, proboscis ; pt, posterior tentorail pit ; 

 sc, salivary canal ; Sep, antennal scape ; St, stipes ; The, theca ; Tnt, anterior 

 tentorial arm; Tra, trachea; Vx, vertex. 



