ʻO ka Viburnum Leaf Beetle

Uaʻike muaʻiaʻo Viburnum Leaf Beetle (VLB), he kanaka maoli maʻEulopa a me Asia, ma Amerika Hema i ka makahiki 1978, ma ka mokuʻo Ottawa-Hull o Kanada. Mai ia manawa mai, ua hele mau ke ala hema mai Kanada i ka US Viburnums i ka manawa i manaʻoʻia he mau mea kanu kūlohelohe wale nō, akā, he mea paʻakikī kēia pest hou. ʻO ka VLB he pili pili loa i ka lapalapaʻeleʻele elm ka lōʻihi a hiki ke wehe koke i nā lau mai nā lāʻau viburnum.

Hoʻopiʻi ka'ūpoko a me ka hānai ma nā lālā viburnum, e hoʻopaʻa ana iā lākou i kahi manawa pōkole. ʻO nā hōʻaiho muaʻaʻole e pepehi i nā mea kanu, akā, hiki i ka palekana no nā makahiki 2 - 3 mau makahiki ke make.

He aha ka nānāʻana o ka Viburnum Leaf Pepe?

ʻO nā wīwī Viburnum ka meaʻoi aku i kaʻaeʻana i ka'ōpala nui a hiki ke loli. ʻO ka poʻe'ōpio he 1/4 iniha ka lōʻihi (4.5 a 6.5 mm) a heʻehuʻeleʻele, e like me nā hua liʻiliʻi. ʻO nā'ōpū he'ōmaʻomaʻo'ōmaʻomaʻo, e pili ana i ka lālā. Ke ulu nei lākou i kahi o 2½ mau lōʻihi. ʻO Invasive.org kahi mau kiʻi nui o nāʻano likeʻole o ka pīlaʻau viburnum, e kōkua i kaʻike.

ʻO ka Viburnum Leaf Beetle E mālama i nāʻano o Viburnum?

I kēia manawa, aiaʻekolu mauʻoluʻolu punahele o nā lālā viburnum i ka VLB:

• Pākani kūpokiʻo Europe ( Viburnum opulus )
• Wayfaringtree viburnum ( Viburnum kukui )
• Rafinesque viburnum ( Viburnum rafinesquianum )

ʻO ka Viburnum Leaf Beetle Lifecycle

Māiʻaʻia nā pīpī e like me nā hua i waihoʻia i loko o nā lālā. Hiki lākou i ka mahina o Mei a ke hānai nei nā iʻa i nā lau hou. Ma muli o ka liʻiliʻi loa o nā'ōpū hou, hiki keʻikeʻia nā hōʻailona mua o kaʻeha, no ka mea, hiki keʻikeʻia kahi pōʻino e like me nā puka iʻoiʻole aku ma mua o nā pū kō. I loko o hoʻokahi mahina, e paʻakikī ka skeletonizing.

Hoʻohāliʻia he mau hebedoma 8-10 no ka VLB e hele ai mai ka hua a ka makua.

I kekahi manawa i ka mahinaʻo Iune, e hele i nā'ōmole i ka honua, kahi e pahu ai lākou i ka lepo. Kū ka VLB makua i ka hopena hope o Iulai a hoʻomau i ka hānaiʻana i nā viburnums. Hiki i ka wahine VLB ke hoʻomoe i nā hua mai ka hopena o ke kauwela a hiki i ke kulu mua, i kekahi manawa i nā manawa he 500 a me ka manawa. Hāpaiʻo ia i nā puka o ka ulu houʻana o ka viburnum a waiho i nā hua i kēlā me kēia puka. Hoʻokomoʻia nā puka i kahi huʻi o ka'ōpiopio a me ka pilau, e hoʻomāmā ana iā lākou eʻike. Eia naʻe, e hanaʻia nā puka ma ka laina pololei ma lalo o ka lālā.

Pehea e hoʻomau ai i nāʻino Viburnum Leaf Pepe

ʻO ka palekana maikaʻi loa i ka VLBʻo ia ke kanu i nāʻanoʻano kū'ē. ʻO kēia mau mea kekahi o nā viburnum kaulana kaulana, e like me:

• Luafile viburnum ( Viburnum plicatum )
• ʻO nā viburnum Spice Korean ( Viburnum carlesii )
• Leatherleaf viburnum ( Viburnum rhytidophyllum )

Keʻikeʻo Cornell's VLB Citizen Science i nā mea kūpaʻa a me nāʻano likeʻole e pale a nānā paha.

Inā loaʻa iāʻoe nā viburnums ma kou'āina, e kiaʻi mākaʻikaʻi. I ke kakahiaka mua, ma mua o ka huaʻana o ka huapalapala i Mei, e nānā pono i nā lālā liʻiliʻi mai ka uluʻana o ka makahiki i hala aku no ka huaʻana i ka waihoʻana i nā lua a me nā hōʻino.

Ma muli o ke anuanu o ka mahana, e pupuhi nā lua a e hāʻule hoʻi nā piko. Ponoʻoe eʻoki aku a luku i nā lāʻau i hanaʻia ma mua o ka'ōpūʻana o nā hua.

Hiki i nā lālā hou ke hāmama, e nānā i nāʻaoʻaoʻelua o nā lau no nā koʻina a hou hou a luku i nā'āpana i kanuʻia. Hoʻopili maikaʻi nā'ōponaʻona i ka wā e'ōpiopio ai nā'ōmole. Hiki i nā mākua ke lele a helele paha i ka honua i ka wā e pihoihoi ai. E hōʻoia me kāu kauwaena kūʻokoʻa no nā'ōpena lāʻau i manaʻoʻia.