140 



sarrat's house in Kau The Japanese beetle being the first 

 topic, we dug about the bases of roses and were encouraged 

 to find beetles dead with fungus in great abundance. This 

 Mr. Monsarrat told me was the result of a colony of fungus 

 we sent him some time previous. An undetermined caterpillar 

 was found devouring the beet leaves. A taro patch in the 

 vicinity was visited where the plants were suffering from 

 aphis infesting the leaves. This aphis was not found as 

 abundant as it seems to have been during the drought, still 

 the young plants were quite thickly inhabited by the pest. 

 But upon each leaf there was an average of about eight to ten 

 Hjemerobiid larvae voraciously feeding on the aphis. This 

 was a revelation to Mr. Monsarrat and he felt fully compen- 

 sated for my visit. There is apparently no lantana in Kau, but 

 its place is taken by the scarcely less pernicious Oi. Mr. Mon- 

 sarrat showed me a patch of this weed that seemed to be dying 

 out which he thought was due to lantana insects sent him by 

 Mr. Perkins some two years ago, but I could find no evidence 

 of either the insects or their work. Red spider, however, was 

 thick on the leaves which might account for the defoliation. 

 The fungus on mango was in evidence and among the blos- 

 soms was a caterpillar of unknown identity. By stage from 

 Pahala to Honuapo and by the "Mauna Loa" from there I 

 reached Hookena on the evening of June 7th. 



HOOKENA, HAWAII. 



The night was spent with Mr. G. W. McDougall and the next 

 morning a study of the coffee trees in his charge was made. 

 Mr. McDougall 's attention had been called by Mr. John Gasper 

 of Napoopoo to the prevalence of a caterpillar in the coi¥ee 

 berry clumps. This caterpillar was found on Mr. Mc- 

 Dougall 's coffee trees in considerable numbers, though in no 

 ease was positive evidence found to show that the insect was 

 actually injurious. No freshly nibbled spots were to be seen 

 either upon the young twigs or the berries. On rare occasions 

 a berry was found into which a caterpillar had burrowed, but 

 this insect was quite different from the twig caterpillar. It 

 is probable, therefore, that the caterpillar was feeding upon 



