. Agriculture [microform]. Agriculture; Agriculture. INSECTS OF IHI': I'lKLD. 83 Bugs—All hugs are insects Init all insects are not bugs. When we speak of bugs we mean such insects as the many kinds of plant lice. Aphis (plural, aphides) is another name for a l)lant-louse. This order of insects is known as the half-winged {hemiptera). Some have only two wings and some have four. We find plane lice quite common on many house plants and garden plants. Orchard trees, cabbages, hops and many other plants are much infested by lice, some very small, some large enough to be easily studied. There are
. Agriculture [microform]. Agriculture; Agriculture. INSECTS OF IHI': I'lKLD. 83 Bugs—All hugs are insects Init all insects are not bugs. When we speak of bugs we mean such insects as the many kinds of plant lice. Aphis (plural, aphides) is another name for a l)lant-louse. This order of insects is known as the half-winged {hemiptera). Some have only two wings and some have four. We find plane lice quite common on many house plants and garden plants. Orchard trees, cabbages, hops and many other plants are much infested by lice, some very small, some large enough to be easily studied. There are some also. Fig. 38. — IMiiiit lice, li;ilf-\viiit;cd insects. Cross lines ;ur1 small fijjure show natural size. that do much damage to grain, especially wheat, barley, oats, and rye. The plant louse or a[)his is generally green or black, sometimes yellow ; in fact if we observe closely and frecjuently we shall come to the conclusion that the color of the ai)his is not unlike the color of the leaf, stalk or head that it feeds upon. We notice also that the leaves of plants upon which the aj)hides are found in large numbL-rs soon curl over and become sickly. If we c\aininea large plant louse we find that it has a strong beak about one-third the length of its body, so that it is well fitted to j)ierce through the skin of plants and to suck the sap. They Ww on li(|uid food. .An- other thing we in regard 10 tlu'in is that tlu' lici- are fi)und in large numbers, and thv y muiiipiy Mry ra[)itlly. Some lice feed largely upon other , and are therefore bene- 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 James, C. C. (Charles Canniff), 1863-1916. Toronto : G. N. Morang
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Keywords: ., bookauth, bookcentury1800, bookdecade1890, booksubjectagriculture
