PLATE 10 



PROC. ENT. SOC. WASH., VOL. 24 



THOMPSON -LARVAL CHARACTERS IN TACHINIDAE. 



Figures 1-4. Paraphorocera senilis, typical form, first stage buccopharyngeal 

 armature: 5, senilis, variety "c" first stage buccopharyngeal armature: 

 6-9, senilis, variety gratiosa (from caterpillars of Pvnmstn nitbilalis] first 

 stage buccopharyngeal armature: 10, senilis, variety "c," felt-chamber of 

 the posterior spiracles, first stage: 1 1 , seni/is, typical form, felt-chamber of 

 posterior spiracles first stage: 12, senilis, variety "c," tip of first stage 

 buccopharyngeal armature: 13, senilis, typical form, tip of first stage 

 buccopharyngeal armature: 14, senilis, variety gratiosa (from caterpillar of 

 Pyrausta nubilalis), tip of first stage buccopharyngeal armature. 



