24 



American Midland Naturalist Monograph No. 3 



possesses variable characters useful in classification. The general appearance of 

 an adult female mosquito is illustrated in Fig. 7. 



HEAD. — The head of a mosquito is somewhat spherical in shape and is 

 narowly joined to the thorax by a membranous connection. Most of the 



lobelia ffl 



antenna 



HEAD 



clypeus 



frons — 

 vertex 



onterior pronotol lobe — 

 THORAX 



mesonotum 

 holter - 



scutum 



scutellum — 

 postnotum - 



ABDOMEN 



cerci - 



Fig 7 Generalized diagram of a female mosquito. 



