Mouthparts of C . Greiner Lake species 4th instar larvae.

a. Pecten epipharyngis - sharp teeth (type B);  b. Antenna, with relatively long basal segment (AR over 2); c. Premandible with outer tooth broken
d. Mentum - note 4th lateral reduced (type II), c1 tooth high, and c2 teeth partly separate (type III);
e. Ventromentum with about 40 striae;  f. Mandible - note 3rd inner tooth is partially separated and colored (type IIB).

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