62 



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

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

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

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

 on segments 8 and 9; cremaster blnnt, with two lateral and two 

 dorsal spines. 



Notes on the Oviposition of "Diachus auratus" 

 (Chrysomelidae). 



BY OTTO II. SWEZEV. 



The presence of this little Chrysomelid in the Hawaiian 

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

 ported at the Jnne meeting of the Entomological Society. In 

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

 always in the flower heads of Leucaena glauca. Recently 

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

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

 quite abundantly from some small trees. I found them on the 



Dlaclius auratits. Adult and eggs, x 6. One of the eggs has 

 the excrementitious case partially removed, showing the white 

 oval eg^ witliin. 



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 Avith koa 

 leaves on which she 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, .Tmm. long and .4mm. 

 thick, resembling pellets of excrement. They varied in color 

 from greenish to yellow and brown, the surface being covered 



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



