. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. 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 (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;. mciit : instM-t lu-ts mid siiiiiUfr s. riiii nets f
. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. 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 (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;. mciit : instM-t lu-ts mid siiiiiUfr s. riiii nets for 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- 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 laioat-s]iape(l The larva-, better km)wn as wrio^ders, swim aetivelv about in the water. .•-if^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hodge, Clifton Fremont, 1859-; Dawson, Jean, 1873-. Boston, Ginn
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