M()S(Mri'<>i> 



^:« 



and certain musical sounds set'Ui tn possess a cliaim. i m- ><ni}4 

 of the mosciuito varies with tlie s[)ccies and with the sex ; it is 

 Ijeheved these insects lind their males hy the pitch <»f tlicir son<^. 

 Mos(piitoes are not without tlicir natural enemies. l)ird> 

 (especially nighthawks, swallows, and w hippoorwills living at 

 dusk), also bats and dragon llies, l'ec(l n[)on adult nioscpiitoes. 

 One observer rcj)orts having fouiul six liuii<lre(l moscpiitoes 



Fk;. <»(■». Collt'cliiii; in(»s»iuittH's 

 K(|iiil>mciit : instM-t lu-ts mid siiiiiUfr s. riiii nets for us.- in \\:it«T 



in the crop of a nighthawk. A miinilc red mile may often 

 be found clino-ino- to mos(iuiloes, and it i- <;iid to un-«":>tlv 

 re(hice their lunubers in some localities. 



Young mosquitoes are aquatic. Moscpiitocs lay then egg> on 

 the surface of water, usually about three days after they have 

 taken a meal of blood. The eggs are lai<l in the early morinng 

 hours and hatch into larva' about two o'clock the sanu- da\. 

 Ciile.v lays from tw(^ hundred to b.iir hundred cigar-shaped 

 eggs which Uoat on end in l>oat-s]iape(l ma.sses. The larva-, 

 better km)wn as wrio^ders, swim aetivelv about in the water. 



.•-if^ 



