216 NORTHERN ZOOLOGY. 



(288) 3. Ph/^don Polygoni. Knot-grass-eating Phoedon. 



Phaedon Polygoni. Steph. Illuslr. Mandib. iv, 336, 12. 



Chrysomela Polygoni. Linn. Fn. Suec. 520; Syst. Nat. ii, 589, 24. Fab. Syst. Ent. 100, 32; Syst. Eleuth- i, 439, 102. 



Marsh. Ent. Brit, i, 178, 19. Payk. Fn. Suec. ii, 61, 14. Gyll. Ins. Suec. iii, 474, 20. De Geer Ins. v, 322, 26. 



Thunb. Mus. Ups. v, 108, 38. Ross. Fn. Etrusc. Hellvv. i, 87,209. Ced. Fn. Inyr. 188. Goeze Eur. Fn- viii, 372, 



11. Miill. Zool Dan. Pr. 82, 894. Panz. Ent. Germ, i, 161,29. Oliv. Ent. v, 91, 576, 1 14, t iii, /. 36. Lai. Tyr. 



Ins. ii, 154, 13. Schrank. Enum. 77, 142. Vill. Ent. i, 125, 20; Fn. Frid. 8, 69. Schseff. Ic. t. 161, /. 4. H— r. 



Ins. 241, 118. Mart. Col. t. xiv, /. 2. Don. Brit. Ins. f.'xcvi, /. 1 . Moll. .Enf. 21%. ii, 41 , 92. Steph. Cat. 221, 



2270, 11. 

 Buprestis salicina. Scop. Cam. 199? 

 Le Criocere bleu a corcelet rouge. Geoffr. Ins. i, 242, 4. 



Length of the body 2 lines. 



Taken in Nova Scotia by Dr. Mac Culloch and Capt Hall. 



DESCRIPTION. 



Body oblong-ovate, punctured, glossy, underneath black. Head deep blue, with an abbreviated 

 channel in the vertex between the eyes ; antenna? piceous, with the five first joints rufous : prothorax 

 convex, rufous : elytra deep blue, thickly punctured : legs rufous with piceous tarsi ; anus rufous. 



N. B. Ph. Raphani and Polygoni may perhaps form a subgenus. 



CXV. * Genus PHYLLODECTA. Kirb. 

 Labrum transverse. 



Palpi (maxillary) like those of Chrysomela. 

 Antenna growing gradually thicker to the apex, with the second and third joints equal in length 



and longer than all the others except the last, which is ovate. 

 Body oblong ; eyes nearly round ; elytra with rows of punctures. 



This genus is distinguished from the other Chrysomelidce by having the second and third joints 

 of the antenna? of equal length. 



(289) 1. Phyllodecta Vitelline. (Linne.) Willow-eating Phyllodecta. 



Chrysomela Vitellines. Linn. Fn. Suec. 519 ; Syst. Nat. ii, 589, 23. Fab. Syst. Ent. 104, 55. Gyll. Ins. Suec. iii, 497. 



35. De Geer Ins. v, 323, 27. Ross. Fn. Etrusc. Hellw. i, 83, 200. Marsh. Ent. Brit. i,.180, 23. Steph. Cat. i, 221, 



2268, 9. Bechst. and Scarf. Nat. Ins. i, 133, 8. Goeze Eur. Fn. viii, 367, 10. Mull. Zool. Dan. Pr. 888. Brahm. 



Ins. Kal. i, 49, 163. Lai. Tyr. Ins. i, 164, 20. Schrank. Enum. 73, 135. Gled. Einl. i, 452, 9, ii, 61, 86. Miill. Linn. 



Nat.v, i, 171,23. Bar. Nat. vi, 93, 6. Mart. Col. t. xiv, /. 1 . Vill. Ent. i, 124, 19. Mall. JFn. Frid. 9, 84. Ros. 



Ins. ii, 3, t. i, /. i, 5. Stew. Elem. ii, 47. Sam. Norn, i, 10. 

 La Chrysomele briquette. Geoffr. Ins. i, 263, 15. 

 Gallemca Vitellinae. Fab. Syst. Eleuth. i, 487, 49. Payk. Fn. Suec. ii, 94, 12. Ced. Fn. Ingr. 198. Panz. Fn. Germ. 



xliv, t. xvi ; Ent. G. i, 171, 7. Illig. Mag. i, 424, 49. 



Salicis. Sch. Nomen. i, 55, 23. 



Coccinella Vitellinae. Scop. Cam. 224. 



Phaedon Vitellinae. Steph. Illustr. Mandib. iv, 335, 10. 



Length of the body 2^- lines. 



