Jiǎchóng de qiánxiōng bèibǎn wǎngwǎng sècǎi xiānyàn.
A beetle's pronotum is often brightly colored.
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An insect's thorax has three segments; 前胸 is the foremost (prothorax) and 背板 is its dorsal plate. In cockroaches and mantises the pronotum is large and shield-like; in many bugs it's a key diagnostic feature.
