Ontario Community Newspapers

Canadian Champion (Milton, ON), 16 Jul 2013, p. 4

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Arborit Grtg Hi#i took titis photo of inwasiwe bootte emoraid asti bonui. Fast tact abou emerald asti booe - Tht emoruld asti baver (E»B) 's an exotic boette native te Asia that ettachi and kilts i speote-s cf asb. - Rt was firsi discowered in Narth Arnerka irn 2002 in southeaix Michigmn and Windsort On- taio. * It bas killed tons of millions of ash trees in titan, rural and forestod settings. * The boette is nwraltic green in codeur and is 8.5 ta 14.0 mm long (about Va inch) and 3.1 ta 3.4 mm wvide (1/8 inch). White thtc bock af the lnscct is an iridescent, mctatic green, the underside il a bright em-erald green. The body is nîrrow and elongated, and the head is fiat. The eyts are kidney shuped and oasualty black. * E»S larvae are whiito and fiat with distinctiv bel-shaped segments, and cire grow tep ta) 30 min long (1 inch)>. Tbey do the mon dam- age to the tree under the bart wtiere t#" feed and create distinctive serpentin. (or S- shapodi gullonies in the wood. * Aduit E-AB beettes typicîlty begin ta emorge frorn thet ne. in May, areatiug smutl D-shapod exit botes. Vies. aduits witl thon fiy te the nefl available ash trec ami fred on leaves un- tgi they lay eggls on the bark, whicb evenni- ally beconie larve ami then the cycle begins again. * Tht mest common way for the emerald asti baver te spread is tbreugh people mev- ing infrsted matorials sucb as llrowood, legqs, branches, nursery stock, chips or other asti wood. The einerid ash baver aIsead- naturalfy through boette fiight. Reseirch mdi- cites the aduit cati fly up ta 10 km, but gent- eratty dosW stray froni the umediat ara Mien it enwrges. nmtu - Asti trees are an important part et Cinadas urban and rural tanciscape. Thetre cammonty found on city streets. in waadtots, in wind- breaks and in forets acrosi souttiorn Canadla- * Asti woadi is ieo used ta mate fumltwre, hardwaod floars basebai batsto tacthani otomctr guflrs, hodckey sticks amd ther mate- riais that require Nol strongth and resilience. * Ane inosd ah troc thairs otherwtsc hcakliy may die in two ta five years, d.pendtng on as age and the extent ai the «nfstation. * A nurmo etmunicipalites ire Ontane and Q)uetot (iddîg the GTA area) are regulated aroas for EAU. Requlatod articles sud as lite- woed. woodcis andi legs cent be removedi ftot the area without Permission froni the Cantadien Food Inspection Aqency. - comn*il foe the Canadien Food binSpo- bnAgency «bft Piesenatie tmatznentR à#aailatie: Hi1 RIii Smd ho bas nte the Canadien, Food Inspection Agency (CFiA) about bis discovery. Tht CFIA. wtikh dot extensive work iat.d ta the protection af eontmental biodiver- sity agaimst invasuv animal ami plant dîseases and plant pests, bas been monitoring LAS ac- tivity that poses a majo threat ta urban and forested land. Tht agency bas put in place federal regula- tory measures like prohibit.ng tht movemrent ai asti frewood, woodchips and branches ta slow the sprtad ai EAB. Hill1 said bis finding wornes hlm as 10 ta 15 por cent ai Mllton's canopy is made up of asti trots. He bas adapted a numbor of mature asb trocs and at trocs an Town praperty in an effort ta keep thein ahve arnd thrlvlng. Il thint the baver is in a whele lot af troos araund bore thae just areVt show"n signs af symptormhe aid. It would b. a stie for us, anyone realy. tu toit an ah trot whtn they realize atter tet tac there os smoithin they ceuld've donc. Vthre is a treatmnent fer preventing the baver freni kolllng your trec That treatinent a bia-insecticide calted Trot- AzinTM thats injecteel ente the tret, cai cost about $200 ta $300 depondinfg on the troc soze. ltres nmust b. onjectod every two years. A number af mature ast rets in Oakvlto, Dur- tiregion. Missussauga, Taranto ami Brampbon bave atready been injecteel aver the lest few years, said Hill, noting that many bave misa bad ta b. rerreoveel. Suia Le con te reoched a(*mtooao onchompion.com or on Twi~ @iu#oASzan-

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