COLEOPTERA 1 73 



Anotheorus Blackburn. 



(i) Anotheorus montamcs Blackburn. 



Anof/ieortis montanus Blackb., Ent. Mo. Mag. xiv. p. 5. 

 Hab. Oahu mountains, on Acacia koa. 



(2) Anotheorzis ignavus Blackburn. 



Anotheorus ignaims Blackb , op. cit. xvii. p. 201. 



Hab. Maui, Haleakala (4000 — 5000 ft.) ; var. on Lanai ; rare. This species 

 approaches very closely to the preceding, and both vary in the shape of the thorax, 

 and it is doubtful whether they are distinct. The Maui examples are most variable, and 

 a single specimen from Lanai agrees better with these than with the Oahuan form. 



(3) Anotheorus robustus, sp. no v. 



Nigroaeneus, robustus, antennis tarsisque plus minusve testaceis. Rostrum sub- 

 tilissime punctatum. Pronotum antice angustatum, plerumque nitidum, elytris multo 

 angustius. Elytra lata, striata, striis confertim punctatis, interstitiis creberrime punctu- 

 latis. Long, (rostr. incl.) 6 — 8'5 mm. Lat. (exempli minim.) 3 mm. (Plate VIIL 

 fig. 27.) 



Although this species, of which I have examined 80, or more, examples, varies 

 greatly in size, and sometimes in sculpture, its great size distinguishes it at once, the 

 smallest examples being of about twice the bulk of either of the preceding. 



Hab. Kauai mountains ; common. 



Fam. SCOLYTIDAE. 



The Scolytidae are represented by twenty-six species, three only being at present 

 known to inhabit other countries, although some of the others will no doubt ultimately 

 be found to be likewise of foreign origin. Only three genera are represented, Xyleborus 

 with 19 species being the most extensive and important. There are six species of 

 Hypothenemus known, and one of Crossotarsus. The latter, C. externedentatus, is 

 already known to occur elsewhere, as also is the Hypothenemus eruditus, and one of 



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