Gular region of C. bifurcatus - from a larva from the type egg mass
(The anterior border of the darkening probably faded in clearing).
a. Pecten epipharyngis - sharp teeth (type B); b. Antenna, with basal segment about twice as long as other segments (i.e. AR about 2);
c. Premandible with outer tooth narrowing markedly towards the tip. d. Mentum - note 4th laterals slightly reduced (type I-II), center tooth of type I in this case);
e. Ventromentum with about 40 striae; f. Mandible - note 3rd inner tooth is pale and not fully separated (type IA).