398 JOHN HAMILTON, M. D. 



493. Melasoma {Lina) lapponica Linn., internq)ta Fab. — Peninsula of Kenai, 



Hudsou Bay region, nearly every part of North America, on Salicacex 

 or Salix. Europe, Siberia, China. Mann., 1853; Col. Am., 224; Nord., 

 29; Hey den, 205. 



494. M. tremulse Fab. — Hudson Bay Crotch ; Mount Washington, N. H., Austin ; 



northern Michigan, Schwarz. Northern Europe; Eiley, in the Amcr. 

 Ent. 1880, 160. 



495. Phylodecta arctica Mann., affims J Mann. — Occurs abundantly in Alaska ; 



Nelson and Churchill Rivers, Hudson Bay Territory, Dr. E. Bell. Man- 

 nerheini describes five color varieties. Mr. George R. Crotch considered 

 it a probable variety of G. linxana Schrauk, triandrx Suff., which occurs 

 in arctic Siberia and southward to the Amur. Maun., 1852-53; Le- 

 Conte Cat. ; Pr., 1873, 52: Heyden, 208; Col. Am., 223. 



496. P. pallida Linn. — Also very variable in color, sculpture and markings. 



Kirby's rnfipes is placed in synonymy by Dr. Horn. The Hudson Bay 

 region, Kirby ; York Factory, Hudson Bay and Norway House to Ox- 

 ford House, LeConte Cat.; Lake Superior, ^LeConte; Marquette. Isle 

 Royal, Bachewauung Bay, Schwarz. Central and northern Europe; 

 western Siberia. Heyden, 208; Can. Ent. viii, 191. 

 Obs. — Rufipes DeG. very similar in form and markings, but with finei- punc- 

 tuation and striation ; not certainly known to occur in America. 



497. P. viminalis Linn., Mann. 1853.--The Yukon, Alaska; arctic and western 



Siberia to the Amur countries; mountainous and northern Europe. 

 Heyden, 108. 



498. Phyllodecta vulg-atissima Linn., 1 1nter stitialis Mann., 1853. — Iowa to 



New Hampshire and southward to Ohio and Virginia on Salix (longifolia). 

 All Siberia, China, Turkestan, Europe, Canaries, Iceland, etc. Intersti- 

 tialis occurs on the Yukon. Nord, 30; Heyden, 209. 



499. P. vitellinse Linn. — Lake Superior, Kirby, LeConte; Ontario, Bethune. 



Can. Ent. viii, 191. Europe, arctic and western Siberia; the Amur 

 countries; Heyden, 209. 



.500. Agelastica (Sermyla) halensis Linn., Pr., 1865, 210. — Connecticut (Far- 

 mingtou), LeConte; Louisiana, Summers; Wisconsin, Ulke; west Siberia, 

 common in Europe. T. xx, 131; Heyden, 211. 



501. Galerucella nymphsese Linn., sagittarix Gyll.. margineU.a Kirby, femo- 

 ralis Mels., hictuusa Mann. (Horn, T. xx. 79). — Peninsula of Kenai, 

 Oregon, California, Fort Simpson, on the McKenzie River, eastward to 

 Hudson Bay and southward in the Atlantic district to Virginia and 

 Texas. Europe, western and eastern Siberia, the Amur. Heyden, 210; 

 Col. Am., 232. In Cat. No. iv, nymphxiB Linn, and sagittarix Fab., rep- 

 resent species. Dr. Geo. H. Horn 1. c. unites them. Abundant on Nym- 

 phxa, Niiphar and Sagittaria. 



.502. G. luteola Mull., xanthomelaena Schrank, caJmariensis J Fab. not Linn. 

 [gelatinnrix Fab.]. — This is the latest observed European synonymy for 

 this much confused species, and annuls the Siberian distribution in the 

 first edition. Imported from Europe into the Eastern States, it defo- 

 liates the elm. Massachusetts to Virginia, but not recorded as yet from 

 west of the AUeghanies; see Agricultural Rep. 1867. p. 624; Lintner, 

 Insects of N. Y. Rep. v, 234; Insect Life. vols. i-iv. 



