. Cirtus fruits under irragation. Citrus fruits; Fruit-culture. 4 CITRUS FRUITS IN GULF-COAST STATES §28 the illustration. Each female lays 250 e^^^^ ^^'^ ^^'^^^ '^^^^^^ these hatch out, in from 3 to 20 days, into small, oval, Hat, six-lej^^^ed insects that crawl about for a few hours only. The lar\'as in their first sta<^c are called cnnclcrs. They soon find a suit- able s])ot for feeding, where they insert their suckin^j^ mouth ])arts and do not move aj^^ain until they l)ecome adults. In V'v^. 3 is shown the first larval sta^^e of the citrus white fly much eiilar^a^d. At the end of from 1
. Cirtus fruits under irragation. Citrus fruits; Fruit-culture. 4 CITRUS FRUITS IN GULF-COAST STATES §28 the illustration. Each female lays 250 e^^^^ ^^'^ ^^'^^^ '^^^^^^ these hatch out, in from 3 to 20 days, into small, oval, Hat, six-lej^^^ed insects that crawl about for a few hours only. The lar\'as in their first sta<^c are called cnnclcrs. They soon find a suit- able s])ot for feeding, where they insert their suckin^j^ mouth ])arts and do not move aj^^ain until they l)ecome adults. In V'v^. 3 is shown the first larval sta^^e of the citrus white fly much eiilar^a^d. At the end of from 1 to 3 weeks, accord- in<j[ to tem])erature, the larva casts its skin, or molts, and passes into the second lar\'al sta<^a\ It has now lost its le^^s and antennae, or feelers, and has become exceedinj^ly flat and o\'al in out- line and is ]:)ressed very closely a^^ainst the leaf, from which it sucks the sa]^. In Vv^. 4 the larvas of the citrus white fly are shown in twice their natural size on an oran<j;e leaf. The larva is covered with a rather tou^^di skin, is pale yellowish. Fig. 3. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Scranton : International Textbook Co.
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, booksubjectcitrusfruits, booksubjectfruitcultur
