144 FAUNA HAWAIIENSIS 



(13) Dryophthorus insignis Sharp. 



Dryophthorus insignis Sharp, /. c. 1878, p. 24. 



(Plate VII. fig. 19.) 



I have examined numerous specimens which I refer to this species from the islands 

 of Oahu, Maui, and Hawaii. It also is found on the other islands. The examples 

 from the islands specified do not altogether agree, but as the series from each locality 

 exhibits some variation I see no means of separating them as distinct forms. Certainly 

 in the majority of cases the Oahuan examples can be distinguished by the more 

 imperfect eyes, but there is evident individual variation in this respect. The Maui 

 form has the raised interstices of the elytra always very strongly broken, and the eyes 

 are more developed. In specimens from Hawaii the eyes are well-developed, convex 

 and a little prominent. From the other islands I have seen only odd specimens. 



Hab. Found under bark of trees in the mountains of all the islands. 



(14) Dryophthoriis insignoides, sp. nov. 



Piceus, vel plus minusve rufescens, sat grosse punctatus. Oculi mediocres. Rostri 

 ($) pars praeantennalis nitida, rugoso-punctata. Pronotum elongatum, antice fortiter 

 constrictum, obscurius grosse punctatum. Elytra seriatim grosse punctata, interstitio 

 2° et 4° inaequaliter carinato-elevatis, setis vestitis, primo sat distincto. Long, (rostr. 

 incl.) 4 — 475 mm. 



The general sculpture of this species is as in D. insignis Shp., from which it is 

 readily distinguished by the distinct first interstice of the elytra, the carinae of which 

 are less strongly elevated. All the raised interstices (i.e. 2nd, 4th and 6th) bear erect 

 setae, and the second and fourth are evidently interrupted or uneven. The third and 

 fifth interstices are generally more or less distinct. The eyes are fairly well developed. 

 The rostrum of the female on the part in front of the antennae has the surface shining, 

 and is strongly and rugosely punctured, in the $ this part is dull and covered with 

 squamosity. 



Hab. Kauai mountains. Single examples from other islands, Molokai, Lanai, 

 and Oahu, do not altogether agree with the typical specimens, but are too close to 

 separate without the examination of a fair series. 



(15) Dryophthorus brevipennis, sp. nov. 



Praecedenti simillimus, statura minore, elytris brevioribus distinguendus. Long. 

 3—375 mm. 



Very similar to the preceding but a decidedly smaller insect. The second, fourth 



