Douglas Island news., 1919-08-01
FEMALE IS
 MOST DEADLY
lcoutIauod irom paso 9

Continued from page 9
 mont had any further information.
 "It was not known whether tho mosquitoes found here woro Che same as in other places or entirely diGoront species. This point is of great importance. because dlncrcul species of mosquitoes have d.noront habits and any measures lhat would bo undertaken against thsm would have to depend upon tho habits
 "Tho present. brief exploration was undertaken by me. combining va. cation trip with obtaining Che mia sing information for Che two govern ments mentioned As thia work q undertaken privately no formal re port has Go Doc submitted. 80 th' readers Of thc News may hear Che re suits Grst
 "Nosqutoca. m common with 1thcr Insects. bavc four stages Of ox Hcucc Che egg. tho lorya. Che pupa nd Che winged insect The eggH irc seldom noticed. There arc two types ono iu which Che eggs ore laid
 nriy on Che ground or leaves ir ioilows where water is liable Co col- cct Those cggs orc deposited ir -ummcr. remain under Che snow an antcr and hatch Che next spring ir hc watcr-pools leit by Che melting now. Tho other kind of eggs arc ionosucd m utuo raft-liko masses loatur on rhc surface of pools They hatch In flow days and arc kiGed by roat Tho adults from these pass Che winter hiding iu hollow logs and similar locations and arc sccn flying carly n tho spring. The other kind or mosquitoes orc killed by frost except os egga. Tho sec- ond slaro OF larvae arc called wrig- .lors and arc often seen In aiagnani nuddlcs They feed on bacteria and ether vegetable matter In suspension .n thc water. Whom fully grown thov transform by shedding Che skin into pupac. which resemble small tadnolcs but do not feed. After a few days Che winged mosquito cm- ,rrcs from tbis and. after resting a fow moments on Che surface of Che water to harden. lilies to adjacent vegetation.
 Mosquitoes grow only In water
 small staguant puddlos. After emerging. a week or so is spent in dispersal. Che Insects flying often a milo or more from thc breeding places Then thc females begin Co sock food. attacking mon and warm bioodcd animals for blood Che males never bite. feeding only on sweet substances such os honey or fruit uIcos They do not pursue che females. but congrogato In htuc par ucs composed entirely of maloa svarmInr n Che dusk of evening over projecting branches of trees or Che tops Of bushes Tho females re- sort slugly to these swarms. but these visits are extremely brief and eldom witnessed
 "Thcsc arc tho habits Of these inc sccts m general though Che di1cr- cnt species vary considerably
 "Thc troublesome ones hero be- long Go genus called 'Acdcs These pass thc winter os eggs. and the wrigglcrs are found In Che early pools. They are all gone by this Hmc Of year July.
 "Thc wrIggler chat arc now SO common m thc street puddlcs belong lo another genus, 'Culisoia. The mosquitoes produced from them are not troublesome. as they seldom bite mon. prefcrrine larger animals. such as cattle and caribou. These wrIg- elers. therefore. are not source of danger and no action needs Co be taken against thcm Tho trouble some 'Aodcs' generally breed n dif- foront pools. Am expert oyamino- lion early In Che season ought Go pro- rodo action in localities where some relief needs Go bo hod Mosquitoes are not serious iu Dawson. A cam paieu against them here would seem uporiuIous
 "Iu regard Go tho results Of my examination. find Che mosquitoes to belong Co Che northern Canadian fauna. That is. Che species arc thc same as found to Che eastward through Che forests of ontario and o...t.. f.ve ennrfne arc missing