Monographie des Chrysomélides de l'Amérique. 327 



19. Chrysomela viDUA Kogers. 



Obloiig- oval, blfiok, i^ligtlily bionzcd; thorax with tlic margiii tliicke- 

 iied, ^vitli coarse pimctiires; clytra black, (>liglitly bronze, witli tlie punctures 

 in soniewhat regiilar ro\\>i; anteimse, legs and under surface black. Length. 26. 



^Chn/somela vidna Kogers. Proc. Acad. Philad. VIII. p. ."iCi. 26. 



(1857.) 

 ^„ „ Suffr. Knt. Zeit. XIX. p. 387. 26. (1858.) 



Locality: Oregon. (sec. Rogers. 1. c.) 



20. Chrysomela flavo-marginata Say. 



Black; thoracic niargin tliickcned; elytra margined with yellowish. 



Chrysomela flavomarginata Say. Joiini. Acad. Piiilad. III. p. 



452. 7. (1824.) 

 ^ „ „ S ay. Compl. writ. éd. Le Conte II. 



p. 218. 7. (185y.) 

 „ „ Rogers. Proc. Acad. Philad. VIII. p. 36. 



27. (1857.) 

 Suffr. Elit. Zeit. XIX. p. 387. 27. 

 (1858.) 

 Inliabits Jlissouri. 



Body black, pmictured: tlionix, puiictures each side larger; latéral margin 

 tliickcned: elytra witli regular .séries of puuctures, and smaller irregiilarly disposed 

 punctures: exterior niargin and tip yellowish; beneatli black. 



Lengtli more than one-fourth ot an inch. (sec. Say. 1. c.) 



/ 21. Chrysomela subsulcata Mann. 



Sub-hemi.sphœrica , valde gibbosa, viridi-?enea, nitida; thorace trans- 

 verso, apice parura emarginato, basi bisinuato, lateribus niodice rotundato, 

 antrur.sum i)ariim angustiore, sulitilitcr lemote punetulato, inargine late in- 

 crassato, suloo apiceiu nsqiic i)rofuiul(' oxarato utrimque liniitato; elytris sul- 

 catis, in sulcis punctis subtililius remotis striatis, interstitiis valde elevatis, 

 costatis, antice iiisequalibus. Longit. 3j — 3^ lin, Latid. 2| — 2^^ lin. 



var. b. — Supra iiigra, elytroiuni margine viridi-aîueo, corpore sub- 

 tus obscure cyauescente. 



Chrysomela sulsidcata Mann. Bull, de Mosc. XXVI. III. p. 254. 



247. (1853.) 



Speciiuina in insula St. Pauli a D. Wosin'semky capta e Museo Acad. Imp. Scient. 

 Petrop. ad describeudum iienevole transmisit D. Ménétriés. (sec. Mannerheini I. c.) 



