Pyrrhalta viburni (Paykull)
Iko kunonzi Viburnum Leaf Beetle (VLB), yakaberekerwa muEurope neAsia, yakatanga kuonekwa muNorth America muna 1978, muOttawa-Hull munzvimbo yeKanada. Kubva ipapo, yakange ichiita nzira yayo kumaodzanyemba kubva kuKanada kuenda kumaUnited States Viburnums nguva dzose inonzi inofanirwa kunge inorasikirwa nemhuka dzakasununguka dzisina miti, asi iyi nyuchi itsva inopesana nemafungiro iwayo. IVLB ishamwari yepedyo yeainowanzozivikanwa ealm leaf beetle uye inogona kukurumidza kukura mashizha kubva kune zvinonzi viburnums plants.
Zvose maperembudzi uye munhu mukuru webeetle anodyisa mashizha anonzi viburnum, achiita skeletonizing ivo munguva shomanana. Pakutanga matambudziko haafaniri kuuraya mbeu, asi kudyidzana kwemakore maviri nemakumi matatu anotevera kunogona kuuraya.
Chii Chinonzi Viburnum Leaf Beetle Chinotarisa?
Viburnum mashizha mhuka dzakasvibirira zviri nani bland vachitsvaga chirwere chisina kunaka uye chinogona kushaikwa nyore nyore. Vanhu vakuru vane anenge masendimita masendimita masere (4.5 kusvika 6.5 mm) uye maronda akaoma, sezvakaita madiki mazai. Madziya aya aine ruvara rwehuteu-ruvara, anongoputirana nemashizha. Dzinokura kusvika anenge masendimita masendimita masere. Invasive.org ine mimwe mienzaniso mikuru yezvikamu zvakasiyana-siyana zve viburnum leaf beetle, iyo inobatsira nekuzivikanwa.
Iko Viburnum Leaf Beetle Inotya Mhando dzose dzeViburnum?
Parizvino, VLB ine zvinhu zvitatu zvakasiyana-siyana zvekushandura zvinomera:
- European highbush cranberry ( Viburnum opulus )
- Wayfaringtree viburnum ( Viburnum lantana )
- Rafinesque viburnum ( Viburnum rafinesquianum )
Viburnum Leaf Beetle Upenyu Hwakanaka
Mhuka dzesango dzinopfuura overwinter sezvinoita mazai akaiswa mumatavi. Vanoputika muna May uye maperembudzi anobva adya pamashizha matsva. Sezvo mavanga akangobva kubuda ari maduku, zviratidzo zvokutanga zvekukuvadza zvingave zvisingachaiti, sezvo kukanganisa kunogona kuonekwa semakomba kwete kupfuura mabheji emapini. Mumwedzi mumwe chete, skeletonizing zvingava zvakaoma kupotsa.
Zvinotora vhiki 8-10 kuti VLB iende kubva paii kusvika kune munhu mukuru.
Pane imwe nguva munaJune, maruva anozoita nzira yavo kuenda kune ivhu, uko kwavanozoita muvhu. Munhu mukuru VLB anobuda munharaunda yekupedzisira yaJuly uye anoenderera mberi achidyisa pamagetsi. Mukadzi weVLB anogona kuisa mazai kubva pakupedzisira kwezhizha kusvikira kune chisvondo chekutanga, dzimwe nguva mazana mazai 500 pamwaka. Anochera masango mukukura kwekuvandudza kwekushongedza uye anoisa mazai muhomwe imwe neimwe. Makomba acho zvino akafukidzwa nechisanganiswa chechitsva chemashizha nemafuta, zvichiita kuti zvive zvakaoma kuona. Zvisinei, mabhuti achaitwa mumutsara wakarurama pamusoro pepasi penhivi.
Nzira Yokudzivirira Sei Viburnum Leaf Beetle Kuparadza
Idziviriro yakanakisisa yeVLB ndeyekudyara mbeu dzisingadi. Izvi zvinosanganisira dzimwe nzvimbo dzinonyanya kuzivikanwa dzakasiyana-siyana, kusanganisira:
- Doublefile viburnum ( Viburnum plicatum )
- Korean Spice viburnum ( Viburnum carlesii )
- Leatherleaf viburnum ( Viburnum rhytidophyllum )
Cornell's VLB Citizen Science inonyora avo vanonyanya kusagadzikana uye marudzi kuti vadzivise kana kutarisisa zvakasimba.
Kana uchinge uine maturnums munyika yako, chengetedza. Mumazuva okutanga, mazai asati avhuvhuta muna May, nyatsotsvaga matavi maduku kubva mukuwedzera kwegore rapfuura kweii rakarongedzwa nemakomba.
Kupisa kwemafuta kunopisa kuchaita kuti mabhudzi afukidze uye mapikisi angagumburwa. Iwe uchada kutema kunze uye kuparadza matanda ose akaputirwa mazai asati avhara.
Mashizha matsva anotanga kuzarura, chengetedza mativi maviri emashizha emaruva uye zvakare kugadzira uye kuparadza mbeu dzakasvibiswa. Kemikari mishonga inouraya inonyanya kushandiswa kana inoshandiswa apo masvora ari vaduku. Vakuru vanofambisa kubhururuka kure kana kuwira pasi pavanonetseka. Tarisa neunharaunda yako Extension Service yekurudzirwa zvinouraya.