254 PHYTOPHAGA. 



The single specimen which was lately received from the above locality is quite distinct 

 in the markings of the elytra from any with which I am acquainted, while in shape 

 it approaches D. insularis, Jac., and many others. 



30, Doryphora geometra. 



Black below thorax greenish black, opaque, remotely punctured; elytra subgeminately punctate-striate, 

 testaceous, sutural and lateral margins, a large subtriangular patch below the base, connected with the 

 suture, and another triangular band below the middle piceous. 



Length 6 lines. . . . 



Head distantly punctured, greenish black, opaque; antennae with the terminal joints distinctly longer than 

 broad black, apex of the last joint obscure fulvous. Thorax scarcely widened at the middle, the sides 

 nearly straight, anterior angles produced into a short tooth; surface irregularly covered with remote but 

 rather deep punctures, those at the sides rather more closely placed, opaque greenish black; scutellum 

 elongate greenish eeneous. Elytra a little wider at the base than the thorax, more distinctly so behind 

 the middle, rather convex near the base, from there to the apex subdepressed, very distinctly and rather 

 regularly geminately punctate-striate, the punctuation more irregular and fine towards the apex, light 

 yellow the sutural and lateral margins narrowly piceous ; a transverse subtriangular patch before the 

 middle, and of the same piceous colour, joins the suture at the same place; the posterior margin of this 

 patch is straight, the anterior one strongly angulate towards the base; another longitudinal band, of 

 triangular shape, is placed below the middle : none of these marks touch the lateral margin, the posterior 

 one being entirely isolated. Mesosternal process long and curved ; elytral epipleurae black. 



Hab. Panama (coll. Jacoby). 



I cannot compare the only specimen in my collection to any other species with which 

 I am acquainted in regard to the elytral marking, the nearest approach to it being 

 perhaps to be found in D. mneo-omata. 



31. Doryphora rogersi. (Doryphora 12-guttata, Tab. XIV. fig. 20.) 



Light fulvous or flavous ; last six joints of the antennae black ; elytra subgeminately punctate-striate, greenish 

 aeneous, each elytron with six large fulvous spots (1, 2, 2, 1). 



Head^erJ'ckseirand finely punctured, generally with a thin central longitudinal groove; apical joints of the 

 antenna* gradually thickened, longer than broad, black, the basal joints fulvous. Thorax with the sides 

 rather strongly rounded near the anterior angles, the latter acute but scarcely produced, middle of the 

 disk very remotely and finely punctured; the sides closely and strongly punctate, somewhat flattened; all 

 the margins narrowly greenish ameous; scutellum broadly triangular, the apex acute, surface smooth, 

 greenish ameous. Elytra of the same colour, closely and not very regularly geminately punctate-striate, a 

 spot close to the scutellum, two larger ones of irregular shape before, two behind the middle, and another 

 at the extreme apex of each elytron light fulvous or flavous. Underside and legs fulvous or varied with 

 greenish ameous. Mesosternal process short and robust. 



Hab. Costa Rica, Cache, Rio Sucio, Volcan de Irazu (Bogers). 



The description given by Stal of D. 12-guttata, Fab., agrees so closely with the 

 present species that I identified the latter at first with it; typical specimens, however, 

 contained in the collection of Mr. Baly prove to me that the Costa-Rican specimens 

 must be considered specifically distinct. In the elytral pattern the species resembles 

 closely D. 12-guttata, but differs in the following way : all the spots at the elytra are 

 much larger ; consequently the greenish aeneous spaces dividing them are much narrower ; 



