MOSQUITOES AND THEIR EXTERMINATION. 455 



toes are frequently seen flying about in the woods before the snow has 

 wholly left the ground. 



Mosquitoes can not develop or come to maturity without water in 

 which to live during the first weeks of their 'wiggler' existence. 



H. 







Fig. 1. Mosquito ' Wigglers '— L arv.e and Pup.e— i\ the Water. Life size. 



A mosquito's life is divided into four stages — the egg, the larva, 

 the pupa and the adult insect. In the larval and pupal stages, mosqui- 

 toes are more commonly known as 'wigglers' (see Fig. 1). Both 



Fig. 2. Mosquito ' Wigglers' iLarv.e) in the Water. Anopheles Larva to the Right, 

 Calex Larva to the Left. Three times larger than life. 



Anopheles, the malarial, and Culex, the common, mosquito larvge are 

 present in this picture. Mosquito 'wigglers' may frequently be found 

 in rain-water barrels in as large numbers as are seen in this photo- 

 graph. The female mosquito lays from one hundred and fifty to four 



