PLATE 90 



Neodiprion lecontei: Sixth-stage larva. 



A. — Front view of head. 



B. — Ventral (or apical) view of head capsule. 



C. — Front view of head capsule. 



D. — Lateral view of head. , 



E. — Sagittal section of head. 



F. — Antenna. 



G. — Frons, adfrons, and clypeus. 



H. — Mandibles. 



I. — Epipharynx and labium. 



J. — Internal view of hypopharynx, maxillae, and labium. 



K. — External view of maxillae and labium. 



L. — External view of maxillae. 



M. — Interior and apical view of maxilla. 



N. — End view of maxilla. 



O. — End view of labium. 



EXPLANATION OF SYMBOLS 

 A, antenna. 

 AC, alimentary canal. 

 AdF, adfrons. 



AE, attachment of extensor muscle. 



AF, attachment of flexor muscle. 

 BF, buccal foramen. 



C, clypeus. 



Cd, cardo. 



DC, dorsal or anterior condyle for mandible. 



DF, dorsal or anterior fossa of mandible. 



E, eye. 



Epc, epicranium. 

 Ephx, epipharynx. 

 ES, epicranial suture. 



F , frons. 



G, galea. 



Hypsim, hypostoma. 

 Hypx, hypopharynx. 

 Lac, lacinia. 



Lbr, labrum. 



Lig, ligula. 



LP, labial palpi. 



M, mandible. 



MP, maxillary palpi. 



Mtm, mentum. 



OF, occipital foramen. 



Pfr, palpifer. 



Pgr, palpiger. 



Plstm, pleurostoma. 



PMBC, posterior margin of buccal cavity. 



Sm, submentum. 



St, stipes. 



TA, tentorial arms. 



TB, tentorial bridge. 



VC, ventral or posterior condyle of mandible. 



VF, ventral or posterior fossa for mandible. 



