Pronotal Basal Margin

Locating the pronotal basal margin

The pronotum is the dorsal part of the prothorax and is located between the head and elytra. The basal margin is the posterior edge.

Figure 1. Move cursor over image to locate character.

Dorsal view of Anoplognathus.

dorsal image of Anoplognathus sp.

Photo Figure 1 © Kindi Smith, Australian Museum

Structure of pronotal basal margin

There are two states

  1. with a continuous raised border (Figure 2A)

  2. raised border absent at middle, which is smooth (Figure 2B)

Figure 2. Dorsal view of pronotal basal margin

Move cursor over small image to view larger image

pronotal basal margin - raised border continuouspronotal basal margin - raised border absent medially
pronotal basal margin  - larger image

scale bar equals 1mm
Photos Figure 2 © Kindi Smith, Australian Museum

 


pronotum