Half hours with insects . it has been pounded, and the greater part of thecoloring matter extracted by water, it is called seed lac ;when melted down into cakes after it has been strained andformed into thin scales, lump lac and shell lac. The most troublesome scale insect found on cultivatedplants is the white scale insect or Asj^kliotus hromelioi (). The snow-white round scales crowd one fig. on the leaves of acacias, the Olea fra-grans, Guidia simplex, examination with the mi-croscope the dead and shriv-elled body of the female may Aspidiotusbe seen in the centre. If
Half hours with insects . it has been pounded, and the greater part of thecoloring matter extracted by water, it is called seed lac ;when melted down into cakes after it has been strained andformed into thin scales, lump lac and shell lac. The most troublesome scale insect found on cultivatedplants is the white scale insect or Asj^kliotus hromelioi (). The snow-white round scales crowd one fig. on the leaves of acacias, the Olea fra-grans, Guidia simplex, examination with the mi-croscope the dead and shriv-elled body of the female may Aspidiotusbe seen in the centre. Ifc is iJ™«ei«-oval in form, Avith a ridge along themiddle, and yellowish, contrasting withthe snow-white thin edge of the scale,the surface of which is minutely granu-lated and white, as if frosted. The young (Fig. 80, enlarged) are Young of A. bromeline. ^j^j^^ ^^^^ COUVCX, with the hind edge simple. The segments (not all indicated in the cut) arequite indistinct. Around the edge of the posterior third of 20 Fig.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1881
