Mouthparts of C. species k.
a. Pecten epipharyngis, with short broad teeth; b. Premandible with broad equal length teeth;
c. Mentum - Note 4th lateral at same level as 3rd and 5th laterals (type I), and c2 teeth as shoulders
on c1 (type IB); d. Antenna with relatively long 2nd and 5th segments;e. Ventromentum with about
42 striae reaching about half way to margin; f. Mandible with 3rd inner tooth partly separated but pale.

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