BEET BUG (Piesmaquadratum) ndi kachilombo kakang'ono pafupifupi 3 mm kutalika, kosiyana kwambiri mtundu. Nthawi zambiri imakhala imvi yakuda ndi mtundu wakuda. Maso ndi ofiira. Pronotum ili ndi nthiti zitatu zotalika. Wamkulu tizilombo overwinter m'mbali mwa nkhalango, tchire, ngalande, etc. M'chaka, pa kutentha pamwamba 3 digiri C, iwo kuwulukira kwa beets, kumene amasiya m'mbali mwa munda. Pambuyo pa nthawi yodyetsa, akazi amayikira mazira (pafupifupi mazira 15 pa tsamba la beet). Mphutsi zimawonekera pakati pa June. Tizilombo tating'onoting'ono timasamukira ku hibernation kapena kuyambitsa chitukuko cha m'badwo wachiwiri. M'badwo umodzi umakula panyengo iliyonse.
Zizindikiro
Mphutsi ndi tizilombo tating'onoting'ono timaboola masamba ndikuyamwa madzi, zomwe zimapangitsa kuti zisinthe komanso kufooketsa mbewu. Choyipa chachikulu ndichakuti tizilombo tating'onoting'ono timafalitsa kachilombo koyambitsa matenda a tsamba. Matenda zomera kukhala olumala ndi kutenga mawonekedwe a mutu wa letesi. Zotayika chifukwa cha izi zitha kukhala zazikulu.
Host zomera
Kwenikweni mitundu yambiri ndi mitundu ya beets.
Njira zowongolera
Kuwongolera mankhwala kumalimbikitsidwa m'madera omwe budworm adapezeka chaka chatha. Njirayi imazindikirika pamene tizilombo tating'onoting'ono timalowa m'mitengo ndikupopera mbewu za beet.
Galasi
