The head is short and somewhat covered by the prothorax.

The head is dark and much narrower than the prothorax.

The last segment of the prothorax may carry a large spine.

Both males and females also have a spine on the side of the prothorax.

They are easily identifiable by their head which is wider than the prothorax.

The prothorax is narrow at the base and reddish-copper in colour.

So named from the curious shape of the prothorax.

The two pale lines merge into a single median line on the prothorax.

Head, prothorax and elitra have a brilliant metallic blue colour.

The prothorax is constricted at the base of the elytra.

The prothorax never bears wings and varies in size.

Prothorax narrowed in the direction backward more than forward.

The prothorax of those species is smooth with the whole upper surface is usually green.

The sides of the prothorax have an angular tooth.

Their prothorax is unpunctured and smooth, with dense dark hairs.

The female prothorax is red, while males is black.

The head, posterior part of the prothorax across the full width, and the scutellum are all black.

The body is black or dark brown and shiny with white spots behind the eyes and on the sides of the prothorax.

They also possess a broad prothorax that looks ripped and crumpled like a leaf.

The cervix (Matsuda, 1970) is the flexible region between the head and prothorax.

The head, patagia, anterior part of tegulae and the prothorax are black brown.

There is a creamy coloured cross-shape on the prothorax.

The prothorax and scutellum have pits that are irregularly placed.

The prothorax is convex above and is broadest at the middle.

Their head is mostly retracted into the prothorax with only the dark brown mouthparts visible.