. A manual of injurious insects with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit. To which is appended a short introduction to entomology . Yellow Underwing (Tryphana p-oimha) : 1, caterpillar; 2, pupa orchrysalis ; 3, Moth. The larvfc, commonly called caterpillars, are nearly cylin-drical, long, soft, and often variously coloured, spined, ortubercled ; the head is scaly or horny, bearing eyes, jaws, anda pair of short horns ; the three segments next to the head haveusually a pair of horny feet on each, and of the remainingnine segments the tail an
. A manual of injurious insects with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit. To which is appended a short introduction to entomology . Yellow Underwing (Tryphana p-oimha) : 1, caterpillar; 2, pupa orchrysalis ; 3, Moth. The larvfc, commonly called caterpillars, are nearly cylin-drical, long, soft, and often variously coloured, spined, ortubercled ; the head is scaly or horny, bearing eyes, jaws, anda pair of short horns ; the three segments next to the head haveusually a pair of horny feet on each, and of the remainingnine segments the tail and the four intermediate ones areusually each furnished witli a pair of sucker-feet or vary in number from four to ten, l)ut the pair beneaththe tail is seldom missing. The caterpillar when about tochange usually spins a cocoon with thread from its mouth, orburies itself, or in some way provides a place of safety; it. Large Cabbage Butterfly. then moults its skin for the last time, and a viscid moistureexuding from the surface of the newly-exposed chrysalis 390 INTRODUCTION TO hardens rapidly over the rudimentary Umbs of the future Mothor Butterfly, and protects it in its inactive state, till in duetime this outer case is cracked down the back and the insectconies forth. This Order is divided into Butterflies and Moths; theButterflies are distinguishable by their horns being almostinvariably thin and long, ending in a knob (see fig. p. 389); alsoby their light and elegant shape, and beautiful colouring. Theymostly fly by day, and when at rest carry their wings erect.
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Keywords: ., bookcentury1800, bookdecade1890, bookidmanualofinju, bookyear1890
