108 



Mr. Kotinsky read a note from Bro. ]\I. i^ewell roportinii the 

 appearance of an unknown Cnrculionicl* in a fernery in Hilo. 

 The insect has been known for some time in Honolulu but this 

 is the first record from Hilo. 



PAPERS READ. 



Geococcus Radicum Green, in Hawaii.** 



BY DAVID T. FriJ-AWAY. 



About a year ag'o my attention was called to a snuill mealy- 

 bug on the roots of a potted mango. On comparing mounted 

 specimens of the insect with slides in the collection of the Board 

 of Forestry and Agriculture it was found that the same mealy- 

 bug had been obtained several years previously by Mr. Ivotinsky 

 on the roots of koa at an elevation of 1,600 feet. Later, it has 

 been taken commonlv on the roots of grasses in and about Hono- 

 lulu. 



I am indebted for the accurate determination of the species 

 to Mr. E. M. Ehrhorn, of Honolulu, and to IMr. E. E. Green, of 

 Peradeniya, Ceylon, who has compared my specimens with the 

 type and declares them to be identical. While possessing the 

 ordinary characteristics of the Dactylopinids, this species is ren- 

 dered peculiar by the presence of prominent chitinous dorsal 

 hooks in the region of the head and anal ring. These hooks are 

 not conspicuous in the figures accompanying Green's description 

 and the insect here was at first considered a distinct species. 

 Mr. Green, however, writes that it is only an intermediate stage 

 of radicum; that material in his possession shows the strongly 

 chitinized hooks. ]\[r. Ehrhorn takes exception to its being con- 

 sidered an intermediate stage, as he has found fully mature 

 females, with eggs, possessing the hooks, and offers the explana- 

 tion that the hooks have been lost in the type material, which is 

 readily credible, considering their brittleness. 



The insect is here described and figured (Plate 4) : 



* This is the insect whose identification is given as .s'//(7 r/r/».s iiilvi- 

 farsis Pasc. on page 115 following [Ed.] 



** This paper replaces one in which Messrs. Fullaway and Kotinsky 

 described the species as new to science. On further study and investi- 

 gation it has been determined as now given. — [Ed.] 



Proc. Haw. Ent. Soc. II, No. 3, May, 1910. 



