Dryocoetes autographus

Scientific profile

Adult Dryocoetes autographus have a body length between 3.7 and 3.9 mm and a mass of about 4.4 mg. The body is notably rounded (roundness index 0.97) with a width of 1.45 mm and height of 1.41 mm. The head is 0.98 mm wide and 0.69 mm long, bearing antennae measuring 0.67 mm. Eyes are 0.52 mm long with a total area of 0.075 mm². The pronotum is 1.40 mm long and 1.32 mm wide; elytra are 2.27 mm long. Wings are long and narrow, spanning 7.04 mm in length and 2.39 mm in width, giving an aspect ratio of 2.9 and a wing area of 14.1 mm², with a low wing loading of 0.31. The legs are relatively short: front femur 0.85 mm, mid femur 0.97 mm, hind femur 0.89 mm. Mandibles are 0.52 mm long and slender (aspect 0.36). The body hairiness is moderate overall, concentrated most on the ventral abdomen, while the dorsal pronotum is sparsely hairy. No data are available on breeding, activity periods or feeding habits.