JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 177 



EXPLANATION OF PLATES 



Plate I 

 Figure 1. Gall, natural size, with a hole on its surface and a fly by it. 

 Figure 2. Egg of the fly, greatly enlarged. 

 Figure 3. Longisection of a gall, showing the central cavity; a. fly larva, and b. beetle 



larva in tunnel. 

 Figure 4. Fly puparium, dorsal view. 

 Figure 5. Front of fly larva ; s. prothoracic stigma. 

 Figure 6. Prothoracic stigma, greatly enlarged. 

 Figure 7. Cephalopharyngeal skeleton, mds. mandible sclerite; d.p. dorsal process, 



c.s. cephalopharyngeal sclerite, v. p. ventral process. 

 Figure 8. Caudal end of fly larva, p. stigmal plate. 

 Figure 9. Stigmal plates, greatly enlarged, o. spiracle. 

 Figure 10. $ Abdomen, o. genitalia. 

 Figure n. $ Genitalia, p. penis. 



Plate II 



Figure L Young shoot of goldenrod; a. egg-shell, b. track, c. young fly larva boring 



hole. 

 Figure 2. Beetle egg, greatly enlarged. 

 Figure 3. Beetle larva, oblique lateral view. 

 Figure 4. Beetle pupa, ventral view. 



Figure 5. Labium of beetle larva; mxp. maxillary palpus, s. stipes, ff. galea, /. ligula, 



p. palpus. 

 Figure 6. Head of beetle larva, dorsal view. 

 Figure 7. J Abdomen with genitalia, ventral view. 

 Figure 8. $ Abdomen with genitalia, ventral view. 

 Figure 9. $ Abdomen with genitalia, lateral view. 



