6 Journal New York Entomological Society. [Voi. vn. 



4. Last ventral without apical plate, thoracic spot triangular, broader behind 7 



Last ventral with distinct apical plate, thoracic spot elongate, parallel, extending 



in front of the middle 5 



Last ventral with apical plate, thorax without spot, surface lustre deep blue green, 

 elytra ornate with small yellow spots SUbcyanea. 



5. Elytra without discal markings, the ornamentation consisting of a yellow marginal 



band extending beyond the middle and two transverse bands before the apex red 



(rarely yellow) flavomarginata. 



Elytra with discal markings 6 



6. Fonn very broad, surface lustre greenish, elytra with marginal and discal stripe 



reaching about to the middle, behind which there are several transverse fasciiie, 



all yellow amplicollis. 



Form ver} broad, surface without metallic lustre, markings much as in aiiipUcoIlis, 



but the dorsal strip broken into spots ; apical fasciae reddish at sides, disjuncta. 

 Form less broad, surface more or less bronzed, elytra without discal stripe. 



Prosternum coarsely rather densely punctate opacula. 



Presternum linely .sparsely punctate amabilis. 



7. Thoracic margin rather narrow, marginal spot wider behind, surface bluish, elytra 



with transverse fascite macra.' 



8. Side margin of thorax only visible near the base when viewed from above. 



More robust ; thorax with yellow spot at sides both above and beneath, elytra 

 with three broad transverse bands interrupted at the suture and an apical spot ; 

 last ventral with feeble apical plate robusta. 



Less robust; thorax, with yellow spot above only, last ventral with broad apical 



plate!, clausa^ 



Side margin of thorax visilile only in front when viewed from above ; not robust, 



depressed, thorax with yellow spot at side, elytra with rather narrow fasciiv, 



apical ventral plate large COn victa. 



9. Thorax with yellow spot at side (except ijuadriscriafa) 13 



Thorax unicolored 10 



10. Under surface, more especially the sides of the metasternum and abdomen abund- 



antly clothed with long whitish hairs. 

 Second ventral segment rather more finely and distinctly more densely punctate 

 at middle than the first ; pubescence of abdomen dense, and except at 

 sides recumbent. 

 Elytra each with two yellow vittps which are usuallv somewhat irregular, 

 and occasionally broken up into numerous irregularly placed spots. 



lanata. 



Elytra with bluish lustre, marked quite uniformly with larger spots as fol- 

 lovi's : a .spot at the middle of the base, sometimes wanting, two spots at 

 the basal third, a fascia at niiddle, and three spots near the apex, some- 

 times confluent pubiventris. 



First and second ventral segments similarly punctate at middle, hairs of 



under surface not recumbent] fenyesi. 



Under surface much leso conspicuously hairy 1 1 



