Gula of C. sp. u, showing the deep pale area in the center of the gula.
Gula of C. sp. u, showing the deep pale area in the center of the gula.
Mouthparts of C. species u a. Epipharyngeal region with premandible in blue rectangle; b. Antenna; c. Mentum - note rounded teeth, 4th lateral reduced (type II),
and c2 teeth partly separated from c1 (type IB); d. Mandible - note that the third inner tooth fully separated (type IIIC).