Viburnum Leaf Beetle

Chombo chotchedwa Viburnum Leaf Beetle (VLB), chobadwira ku Ulaya ndi Asia, chinawonekera koyamba ku North America mu 1978, m'chigawo cha Ottawa-Hull ku Canada. Kuchokera apo, wakhala akupita kummwera kuchokera ku Canada kupita ku US Viburnums nthawizonse amalingaliridwa kuti ndizopweteka kwambiri zomera zosasunthika zomera, koma tizilombo tating'onoting'ono ndizovuta. VLB ndi wachibale wapamtima wa kachilomboka kakang'ono kameneka ndipo amatha kuchotsa masamba pamitima.

Mphungu ndi kachilomboka kakang'ono zimadyetsa masamba a viburnum, kuwathamangitsa mu nthawi yochepa. Zozizira zoyamba sizidzapha zomera, koma kuchotsedwa kwa zaka ziwiri ndi zitatu zotsatizana zikhoza kupha.

Kodi Viburnum Leaf Chikumbu Zikuwoneka Motani?

Viburnum tsamba lafadala ndilo bland kufunafuna chinyama chachilendo ndipo zingatheke mosavuta. Anthu akuluakulu amakhala pafupifupi 1/4 masentimita (4.5 mpaka 6.5mm) ndi bulauni, ngati mazira ang'onoang'ono. Mphutsizo ndizobiriwira-chikasu, zosakanikirana ndi masamba. Iwo amakula mpaka pafupifupi theka lachimita yaitali. Invasive.org ili ndi zithunzi zambiri za magawo osiyanasiyana a kachilomboka kakang'ono ka viburnum, komwe kadzathandiza pakuzindikiritsa.

Kodi kachirombo ka Viburnum Leaf Kadyetsa Mitundu Yonse ya Viburnum?

Pakalipano, VLB ili ndi mitundu itatu yokonda mitundu ya viburnum:

• European cranberry highbush ( Viburnum opulus )
• Vuto la viburnum ( Viburnum lantana )
• Rafinesque viburnum ( Viburnum rafinesquianum )

Viburnum Leaf Beetle Mitundu ya Moyo

Mbalamezi zimadwala kwambiri monga mazira omwe amagwiritsidwa ntchito m'nthambi. Iwo amathyola mu May ndipo mphutsi imadyetsa masamba atsopano. Popeza mphutsi zatsopano zakhala zikuchepa, zizindikiro zoyamba za kuvulaza zingatheke, popeza kuwonongeka kungawonongeke ngati mabowo osaposa mabowo. Pasanathe mwezi umodzi, kubisalako sikungakhale kovuta.

Zimatengera masabata 8-10 kuti VLB ipite kuchokera ku dzira kuti ikhale wamkulu.

Nthawi zina mu June, mphutsi zidzakwera pansi, komwe zidzakwera panthaka. VLB wamkulu amabwera kumapeto kwa mwezi wa July ndipo amapitiriza kudyetsa zogwedeza. Mayi wa VLB akhoza kuika mazira kuyambira m'nyengo ya chilimwe mpaka chisanu choyamba, nthawi zina mazira 500 pa nyengo. Amakoka mabowo mu kukula kwatsopano kwa viburnum ndipo amaika mazira pa dzenje lililonse. Mipando imakhala yokutidwa ndi kusakaniza nthambi ndi ndowe, zomwe zimapangitsa kuti zikhale zovuta kuziwona. Komabe, mabowo adzapangidwa molunjika pamunsi mwa mphukira.

Mmene Mungapewere Kuwonongeka kwa Viburnum Leaf Beetle

Chitetezo chabwino choteteza VLB ndicho kudzala mitundu yosagonjetsedwa. Izi zikuphatikizapo zina mwa malo otchuka kwambiri, monga:

• Kuphatikizapo viburnum ( Viburnum plicatum )
• Korea Spice viburnum ( Viburnum carlesii )
• Leatherleaf viburnum ( Viburnum rhytidophyllum )

Citizen Science ya VLB ya Cornell imatchula mitundu yosagonjetsedwa ndi mitundu yopewera kapena kuyang'anitsitsa.

Ngati mutakhala ndi mazembera m'malo anu, khalani maso. Kumayambiriro kwa masika, mazira asanathamangidwe mu May, yang'anani mosamala nthambi zazing'ono kuyambira kukula kwa chaka chapita kwa dzira lokhala ndi mabowo ndi zipsera.

Kutentha kwa kutenthetsa kumapangitsa kuti mabowo aphule ndipo makapu angagwe. Mudzafunika kutulutsa ndi kuwononga nkhuni zonse zomwe zimadula mazira asanatuluke.

Masamba atsopano ayamba kutsegulidwa, fufuzani mbali zonse ziwiri za masamba kwa mphutsi ndikuchepetsanso zowonongeka zowonongeka. Mankhwala ophera tizilombo amagwiritsidwa ntchito kwambiri pamene mphutsi ali aang'ono. Akuluakulu amakonda kuthawa kapena kuchoka pansi atasokonezeka. Fufuzani ndi Zowonjezeretsa Utumiki wanu wa mankhwala ovomerezeka.