62 



sheaths and posterior leg-sheaths extend to apex of 4th ahdonii- 

 nal segment, antenna-sheaths a little shorter; two transverse 

 rows of small backwardly-directed spines on dorsnm of abdomi- 

 nal segments 2-7, those of the anterior row the larger, one row 

 on segments 8 and 9 ; eremaster bhmt, with two lateral and two 

 dorsal spines. 



Notes on the Oviposition of "Diachus auratus" 

 (Chrysomelidae). 



BY OTTO II. SWEZEV. 



The presence of this little C'hrvsomelid in the Hawaiian 

 Islands was first discovered by me in May of last year and re- 

 ported at the Jnne meeting of the Entomological Society. In 

 Jnly, I fonnd it at Kaimnki, Waialae, and in Manoa Valley, 

 always in the flower heads of Leucaena glauca. Recently 

 (April 26) it was fonnd on koa in the south end of the Waianae 

 Mountains by Mr. Bridwell and myself. They could be swept 

 quite abundantly from some small trees. T feinid them on the 



Diachus auratus. Adult and eggs, x (i. One of the eggs has 

 the excrementitious case partially removed, showing the white 

 oval ego- within. 



leaves, but did not find any in the flowers, tho they undoubt- 

 edly could have been with sufficient search. 



I brought home a female alive, supplying her with koa 

 leaves on which yhe fed at the edges as well as on the surface 

 in small spots. On the following day I found that she had laid 

 six eggs. These were cylindric-oval, .7mm. long and .4mm. 

 thick, resembling pellets of excrement. They varied in color 



from grpeuish to yellow and brown, the surface I 



)eins: cover 



ed 



Proc. Haw. Ent. Soc. Ill, No. 2, July, 1915. 



