Aphid Small 320×230 Medium 640×461 Large 1024×738 Download Tiff Original 2216×1596 | (3.4 MB) Description Aphids are tiny insects that are harmful to plants. This is a wingless larval female. Keywords aphid, Hemiptera, Insecta, plant louse Galleries Other Orders of Insects Source: Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 23
