| Show ways of the mosquito that adult toes live the winter is evident to all who have seen and felt them on the first warm days of early spring says a writer in the literary digest now we are told in addition that larvae and even the egg of the insect may survive great cold says a writer in the revue it is well known that mosquitoes hibernate in the adult state a certain of these vexatious insects pass the winter in various retreats in slaughter houses granaries cellars etc and in the spring they res ime active life and multiply their kind hibernation does not always tal e in the adult form only the lanae can also pass the wider with safety this has been shown by the observations of john smith made during the winter of and at the end of the winter cold does not regularly destroy aquatic larvae they will bear a con sid erable degree of it they have been een surrounded with ice the water having frozen around them and after the melting of the solid envelope they sti 1 ched the ame larvae may be alternate frozen up and melted sev eral times in the course of the win ter this is true of the pungent and of several other species both of and of anopheles etc certain species hibernate in tho adult state others in the larval state also others st 11 hibernate in the egg but many have hibernating larvae v ith many the larvae pass the winter under the ice or in the ice without the least inbur it may easily be seen that cold will not kill mosquitoes for numbers of rolar explorers have noted the abundance of the insects in the regions of ice and it is well krown that the mosquitoes are one of the plagues of the summer in the mo st parts of alaska |
