Mouthparts of C. sp. h.

a. Antenna with relatively long basal segment; b. Mentum with broad centre tooth (type IB), 4th laterals reduced about to level of 5th laterals (type II), Premandible with sharp teeth;
c. Pecten epipharyngis with teeth of type B; d. Mandible with the 3rd inner tooth distinct but only partly colored (type IIIB)

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