Bristly Mealybug (GREENHOUSE) (Pseudococcus longispinus) - tus poj niam yog elliptical, elongated, me ntsis convex rau saum. Lub cev yog ntsuab, npog nrog dawb hmoov wax. Nyob rau hauv cov npoo ntawm lub cev muaj 17 khub ntawm dawb waxy filaments, uas cov posterior khub yog ntev tshaj plaws thiab feem ntau ntev dua tag nrho lub cev. Lub cev ntev ntawm tus poj niam, tsis suav nrog cov plaub hau plaub hau, yog 3,5 hli. Txoj kev loj hlob ntawm hom no hauv cov qoob loo tiv thaiv tshwm sim tsis tu ncua. Ib tug poj niam fertilized nteg txog 200 qe nyob rau hauv ib lub hnab, uas nws nqa mus txog rau thaum lub larvae hatch. Cov larvae uas tshwm sim pib pub ua ke nrog cov neeg laus, tsim cov colonies thiab aggregations. Ntau tiam neeg tuaj yeem txhim kho hauv ib xyoos. Raws li lub colony ua denser, larvae disperse thiab tsim tshiab colonies.
Cov tsos mob
Midges nyob ntawm nplooj thiab tua, feem ntau nyob rau hauv rab rawg, thiab pub rau ntawd. Lawv tsim kev puas tsuaj los ntawm kev tho cov ntaub so ntswg thiab nqus tawm cov kua txiv hmab txiv ntoo, ua rau tsis muaj xim thiab ziab tawm ntawm qhov chaw lossis txawm tias tag nrho cov nroj tsuag. Lawv cov qaub ncaug yog tshuaj lom thiab ua rau cov nplooj ntawm ornamental nroj tsuag tig daj thiab poob tawm.
Hwm cov nroj tsuag
Cov nroj tsuag feem ntau yog cog hauv qab npog thiab hauv tsev.
Tswj txoj kev
Kev nrog nws yog qhov teeb meem heev. Cov nroj tsuag yuav tsum tau txau nrog cov tshuaj tua kab sib sib zog nqus lossis cov kab ke, piv txwv li Mospilan 20SP. Kev kho mob yuav tsum tau rov ua dua tom qab 7-10 hnub.
Gallery
