Larval mouthparts of C. plumosus

Pecten epipharyngis (upper left) with broad teeth

Mentum (middle left): Note 4th laterals reduced evenly with other
laterals(type I) and distinct c2 teeth (type IV or III)

Ventromentum (lower left): Note the striae going to the margin.

Antenna (right): Note the long, relatively narrow basalsegment.

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