Economic Importance of Animals 569 



Fig. 303. — Life history and mouth parts of mosquitoes of the order Diptera. 

 A, Malarial mosquito {Anopheles) ; B, common mosquito (Culex). 1, Eggs; 2, 

 larva; 3, pupa; 4, larva in resting position; 5, adult in resting position (contrast 

 the two species) ; 6, adult male; 7, mouth parts of male; 8, adult female; 9, mouth 

 parts of female, a, Antenna; b, thorax; c, abdomen; d, siphon; e, a,nal segment; 

 /, gills; g, compound eye; h, clypeus; i, maxillary palpus; ;, proboscis; k, labella; 

 /, labrum epipharynx; m, hypopharynx; n, mandible; o, maxilla. (Copyright by 

 General Biological Supply House, Inc., Chicago.) 



