Plate X. 



(Figures 34-38 drawn by A. G. Boving). 

 (Figures 39-44 drawn by F. C. Craighead) . 



Fig. 34. Telephanus pallidulus (Rio Piedras, Porto Rica). 



Head; left side. 

 Fig. 35. Telephanus pallidulus. End of abdomen; left side. 

 Fig. 36. Teleplionus pallidulus. Left mandible ; ventral surface. 

 Fig. 37. Telephanus pallidulus. Mature larva; dorsal side. 

 Fig. 38. Telephanus pallidulus. Maxillae, glossa, maxillular 



area, hypopharyngeal chitinization, oesophagus; 



facing buccal cavity. 

 Fig. 39. Scalidia linearis Lee. Head; dorsal side. (Note: No 



distinct clypeus, large movable labrum) . 

 Fig. 40. Scalidia lineans. Leg. 

 Fig. 41. Scalidia linearis. Right mandible; dorsal surface. 



(Note: No molar structure). 

 Fig. 42. Scalidia linearis. Head; ventral surface. (Note: 



Protracted mouthparts; large region formed by 



fusion of cardines, mentum and submentum; also 



large region formed by fusian of epicranial halves 



and gula) . 

 Fig. 43. Scalidia linearis. Spiracle; annuliforme. 

 Fig. 44. Scalidia linearis. Left side of the mature, parasitic 



larva. 



