318 On neio Species q/Pjrocliroidce/rom Borneo. 



excavation (in obseur'icolUs the sides of this almost meet in the 

 middle), in the more strongly striped elytra, and in the rather 

 larger ssnd more sliarply defined bhick apical patch. The 

 lalter character is remarkably constant in the series of eight 

 specimens that I have seen. 



1 had before received the species for identification from 

 Mr. J. C Moulton of the Sarawak Museum, and was of 

 opinion that it was merely a colour-variety of Ps. malaccana, 

 Pic, from Perak ; but an examination of a longer series, of 

 both sexes, convinces me of its specific distinction. Tlie 

 structure of the antennaj in the male is almost identical, but 

 the frontal excavation in malaccana has the sides much more 

 convergent in the middle, the elytra are less distinctly costate 

 or striped, and the apical patch is less extensive, its margin 

 more suflPused, &c. 



It is interesting to note that while species of this type have 

 been described in some numbers from Perak, this is tlie first 

 one of the group to be recorded from Borneo, the other two 

 Bornean species, falvipennis, Bh'., and apicipennisj Bh'., 

 having the suture intact almost to the apex. 



Ischalia hryanti, sp. n. 



Near indigacea, Pasc. The head is dark reddish, with 

 faint metallic blue reflections, tl»e antennee comparatively 

 siiort and stout, about half the length of the insect, the joints 

 successively shorter from the third to the tenth, and each 

 distinctly tliickened from the base to the apex. The first two 

 joints are concolorous with the head, third to eighth black 

 with dark blue reflections, ninth to eleventh pale fulvous. 

 The thorax is similar to that of indigacea, but more con- 

 tracted behind, more evenly arcuate in front, widest in front 

 of the middle, and ferruginous in colour. The elytra are 

 greenish blue instead of purplish blue, broader, with the 

 subniarginal carina more elevated and nearer the middle o£ 

 the elytron. The internal humeral carina is very short and 

 coalesces with the subniarginal. The legs are stout, and with 

 the underside black with metallic bluish reflections. 



Length 8 mm. 



Bab. Mt. Matang, Sarawak, 2000 feet, 8. ii. li. 



A single specimen. 



This beautiful species is at once distinguislied from its 

 other Bornean congener /. indigacea, Pasc, which was taken 

 abundantly by Mr. Bryant, by its stouter build and its 

 reddish thorax. 



