Aphid Small 320×195 Medium 640×391 Large 1024×625 Download Tiff Original 5290×3231 | (16.3 MB) Description Aphids are tiny insects that are harmful to plants. This is an adult winged 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 Courtesy the private collection of Roy Winkelman
