of some species of Chrysomela, ^c. 175 



II. Apical joint of maxillary palpus obtusely truncate or obtuse. 



A. Sublateral groove of thorax obsolete, or nearly so alcyonea. 



B. Sublateral groove of thorax distinct, entire. 



* Body naiTowly elongate, sides of elytra parallel, 



or nearly so, in either sex . . . . . . cacalice. 



** Body elongate, dilated posteriorly in both 



sexes . . . . . . . . . . . . elongata. 



*** Body elongate, oblong-elongate or oblong- 

 ovate ; sides of elytra subparallel or parallel 

 in the $, usually dilated posteriorly in 

 the 2- 

 o. Body exceeding 4 lines in length . . . . tristis. 



CO. Body not exceeding 4 lines in length. 



Males. 

 f Anal segment of abdomen truncate, apex 



of telum hastate . . . . . . . . elegans. 



ff Anal segment truncate, obsoletely bi- 

 sinuate ; apex of telum angulate, its 

 extreme apex produced, subcuneiform . sjieciosissima. 



Females. 

 f Elytra ovate, distinctly dilated posteriorly speciosisslma. 

 ■ff Elytra broadly oblong-ovate, scarcely 



dilated behind the middle . . . . elegans. 



Chrysomela speciosu, Fabr. 

 Syst. Ent. i. p. 101; SufFr. Mon. p. 172. 



Elongata $ ; minus elongata et postice paullo ampliata $ ; 

 thorace evidenter, minus crebre punctato, lateribus intra 

 marginem longitudinaliter excavatis, sulco rude et fortitcr 

 foveolato-punctato, basi magis fortiter excavate, medio 

 interrupto ; elytris sat crebre aciculato-punctatis, inter- 

 spatiis rugulosis. 



Mas. — Tarsorum anticorum quatuor articulo basali 

 dilatato, semi-ovato, illo tarsi postici longiori, scmi- 

 elongato-ovato ; abdominis segmento apice trilobato, lobis 

 ^quilongis ; telo elongato, curvato, lateribus apicem 

 versus paullo attenuatis, apice dilatato, subspathulato, 

 apice ipso abrupte deflexo ; valvula rigida, recurvata. 



Fcem. — Abdominis segmento anali apice obtuse angu- 

 lato, utrinque leviter sinuato. 



A. Laite metallico-viridis, elytris vittis duabus, basi et 

 apice confluentibus, una subsuturali, una sub- 

 marginali, rufo-aureis aut aureis. 



TRANS. ENT. SOC. 1879. — PART II. (jULY.) N 



