Show OYSTER SHELL BARK LOUSE insect found on an over forty different food I 1 land lants in united sette an effective spray dy GEORGE ai LIST colorado experiment station As the name will indicate thi this if one of the scale insects taking ila it name from the scale covering that Is 1 secreted ecret cd over the insects body re hambling Eam bling lins somewhat the convex aide side ul an obiter thell this insect has been te ported on over forty different dit ferent food plants in tb the united states including p oat ost of our fruit trees also many orji mental and shade trees it has proved especially bad in a some sections of this state on 00 lilac and aeh ash if it one of these scales be raised in tho the winter or ealy ea ly spring there will be found beneath it a mass of very email small yellowish or whitish eggs that batch hatch about the middle of may into small lico lice that appear as mere specks to the naked eye hey move about tor for a few days then insert their beaks into the bark and begin to feed dy the end of the season eason they are fully developed and save have secreted a scaly covering over the entire body in the fall the adult deposit depo alta the mass of 1 mall eggs and dies spraying with kerosene emulsion 6 per cent kerosene in may alay or june just efter hatching time has proved very effective in controlling this pest peat |