585 

 On the Curculionidae of the Samoan Islands (Coleoptera). 



BY GUV A. K. .MARSHALL, D. SC, C. -M. G. 



Through the kindness of IMr. F. Miiir T have been able to 

 examine a small but interesting series of Curculionidae from 

 the collection of ]\Ir. W. M. Gitfard, taken by Dr. H. C. 

 Kellers, of the United vStates Xav}-, on the small island of 

 Tutuila in the Samoan Group. Aery little appears to be known 

 concerning the weevils of this group, and the only records T 

 ha\e been able to lind are a few species described by L. 

 Fairmaire, and a short paper by Dr. K. ^l. Heller on a small 

 collection made by Dr. Rechinger in ^-'05. 



It seemefl, therefore, desirable to get together all the 

 information that was available, and I have thus added descrip- 

 tions of the Samoan weevils contained in the British ^Museum, 

 which were mostly collected by the late Dr. H. Swale in 

 1916 and 1917. 



There are four small species of uncertain generic position in 

 Dr. Kellers' collection, which cannot be dealt with owing to 

 the inadequacy or poor condition of the material : and Dr. 

 Heller has recorded an undetermined species of Diathctes. 



Subfamily Otiorliynchinae. 



Sphaerorhinus puncticollis «]>• n. 



Color black, the elytra often partly or even wholly dark red-brown ; 

 the upper surface thinly clothed with extremely flat separated transparent 

 scales, which a{)jiear as tlioufjh they might be merely a sculi)turinuf 

 of the integument ; in addition there are the following markings 

 formed of small round greyish-white scales: a patch on the rostrum 

 continuous with a small jiatcli adjoining each eye; a narrow lateral 

 stripe on the basal half of the j)rothorax; on the elytra, a variable 

 short humeral row of about three small spots, in the middle of the 

 disk a very irregular assemblage of small spots extending from stria 

 1 or 2 to 7, a narrow sutural stripe on the declivity, and a few 

 minute spots near the a])('x. These markings are extremely variable, 

 reaching their highest dcvclu]iinent in the females, and being mostly or 

 entirely absent in the males. 



Male. Head with coars(> punctures tliat are usually more or less 



Proc. Haw. Hut. Soc, lY, No. .3, Septetnher, 1921. 



