Clypeal Shape

Locating the clypeus

The clypeus is the anterior part of the head visible in dorsal view, and is demarkated from the rest of the head by the frontoclypeal suture.

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Figure 1. Head of Anoplognathus - dorsal view	Figure 2. Clypeus of Anoplognathus - dorsal view
Drawings Figures 1 and 2 © Kindi Smith, Australian Museum

Clypeal shape

There are seven states

1. semicircular, or almost so, length more than half width (Figure 3A)

2. semiovate, much broader than long (Figure 3B)

3. lateral margin distinctly rounded, but angled at junction with apex (Figure 3C)

4. lateral margin straight (Figure 3D)

5. lateral margin slightly concave (Figure 3E)

6. lateral margin deeply concave (Figure 3F)

7. lateral margin strongly sinuate, swollen at base and concave at apex (Figure 3G)

Figure 3. Clypeus in dorsal view.

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Copyright © Australian Museum 2016
Authors: Chris Reid & Kindi Smith