-681- 
The gray sugarcane mealybug ( Trinnymus boninsis Eusvana) has been no- 
ticed rather -nore than usual in the cane fields, but it is mostly vrell 
controlled by the parasite Pseudococcobius t erry i Ful. 
The rose beetle ( Ado ret u s sinicus Burn, ) continues a troublesome 
pest in gardens and on many ornamental plants. 
The corn ear worn ( Mel jp this ob so let a Fab.) is not usually a pest of 
corn here, but this year it has been very injurious. T "alf or no re of the 
ea.rs of green corn are found infested. 
The coconut leaf roller (Q niodes blackburni Butl.) apparently has been 
held In control by parasites; in Honolulu the coconut leaves have- been im- 
perfect condition. However, on the Island of Maui the coconut trees are 
very ragged fron the ravages of this r>est. 
The Mediterranean fruit fly ( Coratitis ca.-aitata "led. ) has been less 
abundant this year than in some other year's. A comparison of infestation 
for the years 1930 and 1931 shows a slightly lover infestation this year 
in several host fruits. The average infestation for 10 of the principal 
hosts was 59.4 per cent in 1.930 and 5"). 4 per cent- in 1931. 
The melon fly ( Bactrocera cur curb itae Coq.) has been about as preva- 
lent as usual this year, not Preventing good crops of melons and cucumbers. 
Infestations by the rice borer ( Chile simple x Butl.) Vvere not serious, 
about normal crops of rice being obtained. 
A 3 uafhdpp'er ( Fmooasca. sri. ) has been -present in the Islands for about 
13 years. It has fed chiefly on amaranth weeds and other weeds, but this 
sunnier v.as very destructive to melon vines in one region. 
The little fly Agromyza vlrens Loew, whose maggots live in the stems 
of Zinnia and a number of other ornamental ulants, is becoming more de- 
structive in gardens. It was first observed in Honolulu three years ago, 
and is now widely s-nread on Oahu. 
The green scale ( Coccus virid is Green) is becoming nore destructive 
in Honolulu gardens, where it attacks several kinds of ornamental shrubs 
and other plants. 
Hibiscus hedges are more and nore infested vith Hcmichionas-oi s minor 
Mask., which seems to affect this nlpnt -particularly, though it also at- 
tacks many other shrubs. 
