HAWAII INSECT REPORT 



Sorghum - CORN EARWORH ( Heliothis zea ) ligfft on young sorghum heads in 250 acres; 

 A PYRALID jMOTH (Cryptoblabes aliena ) heavy in mature seedheads in about 400 acres; 

 CORN LEAF APHID (Rhopalosiphum maidis ) heavy in 350 acres of 12- inch tall sorghum 

 at Kilauea, Kauai. Parasitism by Lyoiphlebius testaceipes (a braconid) heavy; as 

 much as 90 percent of R. maidis parasitized. (Sugawa) . 



General Vege tables - Adults of Greenhouse \VHITEFLY ( Trialeurodes vaporariorum ) 

 trace to light in 0.5 acre of bittermelon at Pupukea , Oaku; eggs and nymphs 

 moderate. Larvae and adults of DIAMONDBACK MOTH ( Plutella xylostella ) moderate in 

 2 acres of head cabbage at Kula, Maui. Larvae affected 75 percent of plant leaves 

 of recently harvested heads; about 2-6 larvae per leaf. (Ah Sam, Miyahira). A 

 MEMBRACID BUG ( Antianthe expansa ) moderate in small backyard planting of red 

 pepper at Nuuanu; as many as 29 nymphs and adults per 6-inch of stem. Negative 

 on adjacent tomato planting. Moderate to heavy on same crop at Liliha, Oahu 

 (adjacent to Nuuanu). These sites, about 11 miles from original point of host 

 association in VVaipahu and Ewa area, indicate may be fairly widespread. Damage 

 by CHINESE ROSE BEETLE ( Adore tus sinicus ) and TOBACCO FLEA BEETLE ( Epitrix 

 hir t ipennis ) light to moderate to 90 percent of leaves in 0.4 acre planting of 

 eggplant at Pupukea, Oahu. Adults of E. Hir tipennis light; average less than 1 

 per leaf. Larval mines of LEAF MINER FLIES ( Liriomyza spp.) moderate to heavy in 

 0.5 acre of tomato at Pupukea, Oahu. Moderate to heavy mines on older leaves in 

 20+ acres of watermelon at Kahuku; adults heavy, as many as 25 per leaf; averaged 

 5 . (Kawamura) . 



Fruits and Nuts - LA.T5E \U\GO TIP BORER (Bombotelia jocosatrix ) damage light to 

 100+ mango trees at Haiku, Maui; about 10 percent of young terminal leaves 

 affected. (Miyahira). Parasitism of a SWALLOWTAIL BUTTERFLY (Papilio xuthus ) 

 eggs by Trichogramma sp. (a minute egg parasite) decreased. On Oahu, field 

 collected eggs parasitized as follows: Six of 19 at Ewa (32 percent); 12 of 24 

 at Moanalua (50 percent) and 4 of 27 at Pauoa (15 percent). (Au et al.). 



Weather of the week continued from page 738. 



Thermal, California, and Phoenix, Arizona, registered 85'' Thursday afternoon. 

 The eastern third of the Nation continued unseasonally mild with minimum 

 temperatures only slightly lower than normal maximums. Weekly average temperatures 

 wei-e below normal from the Pacific coast to the western edge of the Great Plains 

 and above normal from the Great Plains to the Atlantic Ocean. Much of the area 

 from Minnesota to New York and southward to Tennessee averaged 6° to 14° warmer 

 than normal. 



