ART. 5. 



LARVAE OF CALENDEINAE COTTON. 



Epipharynx setose and with three pairs of small thickened setae 

 between the epipharyngeal rods. Maxillary mala oval at tip, with 

 a row of about twelve many-branched setae on dorsal surface and 

 with one branched and two simple setae at tip. Ligula not setose. 

 The usual setae found on ligula are all branched. Hypopharynx 

 fleshy, laterally setose. Abdominal terga above divided into three 

 distinct areas. Abdominal hypopleurum four-lobed. 



EXPLANATION OF PLATES. 



a atrium 



al alar area 



cm muscle 



cox coxal lobe 



cr chitinous ridge 



ep epipleurum 



er epipharyngeal rod 



eu eusternum 



/ frons 



ha hollow arm 



hp hypopharynx 



hyp hypopleurum 



I labrum 



U ligula 



m mala 



pres praescutum 



sc scutum 



scut ; scutellum 



sf soft fold 



t trachea 



Plate 1. 



Cactophagus validus (LeConte), 



Fig. 1. Labrum. 



2. Head, dorsal view. 



3. Epipharynx. 



4. Thoracic spiracle. 



5. Full grown larva, lateral view. 



6. Mouth parts, ventral view. 



7. Mouth parts, dorsal view. 



Plate 2, 



Rhoclohaenns tredecimpunctatus (Illiger). 



Fig. 1. Labrum. 



2. Epipharynx. 



3. Thoracic spiracle. 



4. Head, dorsal view. 



5. Full grown larva, lateral view. 



6. Mouth parts, ventral view. 



7. Mouth parts, dorsal view. 



Plate 3. 



Sitophilus granarius (Linnaeus), 



Fig. 1. Labrum. 



2. Head, dorsal view. 



3. Epipharynx. 



4. Thoracic spiracle. 



5. Full grown larva, lateral view. 



6. Mouth parts, ventral view. 



7. Mouth parts, dorsal view. 



