Dimorphic Sessile Apterae of the Aphid Neothoracaphis glaucae (Hemiptera) on the Evergreen Oak Quercus glauca

Figure 8

Scatter diagram of body length versus body width for apterous adults of Neothoracaphis yanonis (red squares), N. querciphaga (blue open circles), and N. elongata (black closed circles), each with a frequency distribution diagram of the body lengths (40 μm for 1 unit of the axis).