304 NEW YORK STATE MUSEUM 



canadensiis, C. impiger, C. cinereoborealis and 

 A ed e s f u s ou &. 



Distribution, This species was described from specimens 

 received from DeGrasse point, Lake Simcoe, Ont. We have taken 

 it about Albany and at Poughkeepsie. Dr Smith records it from 

 New* Jersey, and it is very common at Center Harbor N. H. 

 according to Dr Dyar, who also met with it rather abundantly 

 early in the season in British Columbia. 



Life history and habits. Dr J. B. Smith states that the eggs are 

 laid in the mud of dried up pools or in the pools themselves, sink- 

 ing to the bottom in the latter case. The larvae hatch in New 

 Jersey in January or February, of ten, when the pools are covered 

 with ice, and grow slowly, maturing and transforming to pupae 

 late in April. The adults emerge during early May, and of the 

 eggs laid by them only a portion seem to develop, because the 

 second brood is smaller than the first and so on, and while larvae 

 and adults are found throughout the season, they are stragglers 

 and simply supply eggs for another year. Almost every low 

 swampy woodland and nearly every pool swarms in April with 

 the larvae of this species. Many of the pools dry up by the time 

 the insects mature, and remain so till the following spring ; never- 

 theless larvae again appear with the approach of warm weather. 

 Dr Smith states that this is the earliest and latest occurring 

 mosquito in New Jersey, and that it never becomes a nuisance in 

 towns or houses, even though the latter be only a few rods from a 

 pool. It seems as though the larvae of this species must hibernate 

 in New York State, since they are of considerable size when they 

 first appear in the spring along with other aquatic forms. Adults 

 are on the wing about Albany in early Kay. 



This species breeds by preference in woodland springs, pools 

 or ditches carrying spring water. 



Culex onondagensis n. sp. 



PI. 5, 17, fig. 2, 3 respectively 



A specimen of this mosquito was taken in the vicinity of Lake 

 Onondaga, Syracuse, Sep. 19, 1904, and as it differs so markedly 

 from previously known forms, it isviescribed herewith. 



