22 Journal New York Entomological Society. [Voi. vii. 



Thorax a little wider than the elytra, shaped nearly as in connexa, moderately 

 coarsely closely punctate, unicolorous, a small indistinct spot in one example. Elytra 

 intricately ornate with yellow, the markings much as in labyrinthica, but broader and 

 less diffused. Sculpture of elytra and lower surface nearly as in lahyrinthica. Length, 

 8-IO mm., .32-. 40 inch. 



Habitat : Southwestern Utah and Arizona (Rio Verdi and Tempe 

 Desert). 



Two specimens from the former locality in the Horn collection 

 and others from Arizona in the collection of Dr. Griffith, to whom I 

 am indebted for my representatives. Cutieata is nearest to, but ap- 

 parently distinct from lahyritithica, from which it is difficult to separate 

 it by description, though quite different in appearance. The strongly 

 narrowed and pointed elytra are characteristic of all the specimens 

 seen, and will, I think, make its recognition tolerably certain. From 

 co?inexa it diiTers both in form and markings, and in the much deeper 

 frontal impression. Lahyrinthica occurs in the same region, but con- 

 nexa has not yet been seen from either Utah or Arizona. 



A. connexa Lee, Proc. Acad. Sc. Phil., 1859, p. 72. 



For comparison with acuta and lahyrinthica, see remarks under the 

 last named species. The markings in connexa are tolerably constant, 

 especially the oblique fascia at the apical third and the apical spot ; 

 the markings in the basal half of the elytra are confusedly joined, but 

 are very rarely in any way connected with the posterior fascia. The 

 apical ventral plate is nearly or quite lacking in most examples, but 

 is occasionally well-defined though small. I have never seen a speci- 

 men with a thoracic spot. Length, S-12.5 mm., .32-. 50 inch. 



Habitat : California and Nevada. A somewhat common species in 

 the sierras of California, not reaching either the extreme northern or 

 southern portions of the State so far as known. 



A, variegata Z*!^. , Proc. Acad. Sc Phil., 1852, p. 67. 



This species may be separated quite certainly from all others by 

 the tabular differences. It is nearest connexa, but if typically marked 

 may be at once distinguished by the transverse fasciae. These fasciae 

 are, however, quite often much broken, in which case the stouter, 

 more parallel form, coarser sculpture, with the thorax widest further 

 in front of the base will make it recognizable. The thoracic spot is 

 about as often absent as present, the thorax is usually not wider than 

 the elytra, but is occasionally distinctly so. There is no apical ven- 

 tral plate. Length, 7.75-10 mm., .31-. 40 inch. 



