725 - 



HAWAII INSECT REPORT 



Corn - Infestations moderate of mixed populations of POTATO APHID ( Macrosiphum 

 euphorbiae ) and TUMID SPIDER MITE ( Tetranychus tumidus ) in about 10 acres of 

 mature seed corn at Kaunakakai, Molokai; trace in 6 acres of seedlings in 2 

 separate plantings of this crop at same area. (Kawamura) . 



Fruits and Nuts - BARNACLE SCALE ( Ceroplastes cirripedif ormis ) heavy in 1.5 acres 

 of mature passion fruit at Kahulul, Maui; as many as 75 scales (mostly young) per 

 inch of pencil size stems. Trace in surrounding 12.5 acres; negligible in about 

 60 acres of young seedlings at same area. Parasites trace. (Miyahira) . COCONUT 

 LEAFROLLER ( Hedylepta blackburni) damage moderate to heavy to fronds of old 

 coconut trees from Kamalo through Pukoa , Molokai; as much as 80 percent of fronds 

 on most trees affected; averaged 70 percent. Negligible on same host at 

 Kaunakakai. Damage moderate to heavy of older fronds of 5 coconut trees at 

 Kakaako, Honolulu, Oahu; about 80 percent of fronds affected. Moderate number of 

 unspecified hymenopterous cocoons noted on pinnae. (Kahale et al.). REDBANDED 

 THRIPS ( Selenothrips rubrocinc tus ) moderate to heavy on 95 percent of young leaves 

 of about 100 mango fMangif era indica ) trees at Kahaina, Maui; as many as 100+ 

 nymphs and adults on some heavily infested leaves. (Miyahira). 



Forest and Shade Trees - Larvae of a NOCTUID MOTH ( Melipotis indomita ) moderate 

 under flaky bark of kiawe trees in leeward areas of Molokai; Polistes sp. 

 (a vespid wasp) numerous in area. On Maui, moderate larval popula tions causing 50 

 percent defoliation of about 20 monkeypod trees at Sprecklesville . Larval popula- 

 tion on Oahu light during September; light trap collections of adults indicated 

 peak in August (323) and decline in September (160) . (Kawamura) . 



Beneficial Insects - Larvae of a TORTRICID MOTH ( Apotoforma sp.) infested about 

 80 percent of young terminal leaves of scattered blackberry growth in 100+ acres 

 at Waikamoi, Maui. This species purposely introduced from Mexico in 1963 to aid in 

 control of blackberry and released on Maui in August 1964. (Miyahira) . 



Miscellaneous Pests - Adults of a LYGAEID BUG ( Neacoryphus bicrucis) light in 

 fluted pinnae of young fronds of 8 roadside coconut seedlings at Kamiloloa, 

 Molokai; as many as 16 adults noted on one frond. Nil on 55 similar host plants 

 at same area. (Kawamura) . 



DETECTION 



New County Records - BROWN SPIDER BEETLE (Ptinus clavipes ) - IOWA - Clay (p. 723) 

 FACE FLY (Musca autumnalis ) - UTAH - Morgan (p. 723) . 



