Figure 9. There are three species that make up the Ips engraver beetle group: Ips avulsus (small southern pine engraver; top left), I. grandicollis (eastern fivespined ips; top right), and I. calligraphus (sixspined ips; bottom).
Three beetles of different sizes on blue background. All beetles have spines on their hind end and are brown or brown-black in color.

John L. Foltz, University of Florida,