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HAWAII INSECT REPORT 



Sorghum - Cryptoblabes aliena (a phycitid moth) larvae and Rhopalosiphum maidis 

 (corn leaf aphid) moderate to heavy in 2,000+ acres of sorghum at Kilauca, Kauai; 

 as many as 325 larvae and pupae of C. aliena per single panicle. R. maidis 

 heavy in several fields, obscuring portion of some flowering panicles. Larvae 

 and adults moderate of Coelophora inaequalis (a lady beetle) in R. maidis 

 infested fields. Contarinia sorghicola (sorghum midge) light in most plantings, 

 leavy in 60-acres, seed yield near zero. Parasitism by Eupelmus poppa (an 

 eupelmid wasp) about 5 percent of random C. sorghicola infested material. 

 (Kawamura) . 



Turf , Pasture - GRASS WEBWORM (Herpetogramjna licarsisalis ) infestation of 

 kikuyu and pangola pastures moderate at Pahoa, Hawaii; adults of Casinaria 

 inf esta (an ichneumon) and Eucelatoria armigera (a tachnia fly) moderate. H, 

 licarsisalis no larval activity at Hana and Ulupalakua, Maui; adults light. 

 (Yoshioka, Miyahira) . 



General Vegetables - BEAN FLY (Melanagromyza phaseoli ) heavy on backyard snap 

 bean plantings at Palolo, Oahu; 100 percent of seedlings severely affected. On 

 Maui, field collected yardlongbean material showed percentage parasitism by 

 Opius sp . (a braconid) and Halticoptera patellana (a pteromalid wasp) respec- 

 tively: Waikapu 85 and 15; Puunene 25 and 25. On Kauai, field collected cowpea 

 and snap bean material revealed parasitism from 88 to 100 (average 97) percent; 

 mostly by Opius sp. Infested long and snap bean material collected at Waimanalo, 

 Oahu_,during September revealed light parasitism by II. patellana . Of 20 infested 

 petioles collected emergence of M. phaseoli and jU patellana , respectively: 99 

 and 13 from infested long beans; 201 and 2 from infested snap beans. (Miyahira 

 et al.) . 



Forest and Shade Trees - Infestations of AN ADELGID (Pineus pini ) light to trace 

 on Pinus radiata and P. elliottii at Waikii, Hawaii; also noted on Pinus spp. 

 along Saddle Road and residences at Paauilo, Honokaa, and Kamuela. Treatment 

 applied or recommended. On Oahu and Maui, eradication efforts continue. Survey 

 on Kauai and Molokai negative. (Yoshioka, Kawamura). 



General Pests - NARROW WINGED KATYDID (Elimaea punctifera ) damage to anthurium 

 flowers, citrus fruits, and foliage continues at Pahoa, Hawaii <, Less damage 

 occurred on anthurium flowers and in backyard plantings of cucumber and snap 

 beans at Hilo„ About 30 percent of field collected E. punctifera eggs at Pahoa 

 parasitized by Uf ens elimaeae (a trichogrammatid wasp) small numbers of another 

 parasite, Anastatus koebelei (an eupalmid wasp) also emerged from this host 

 material. (MatayoshiTT 



Man and Animals - Trapped 7 5 VEXANS MOSQUITO (Aedes vexans nocturnus) and 869 

 SOUTHERN HOUSE MOSQUITO (Culex pipiens quinquef asciatus ) in 55 light traps during 

 September on Oahu. Aedes ranged up to 62 per trap at Kahaluu. Culex ranged up to 

 229 per trap at Sunset Beach. (Mo' i. Contr. Br. Dept . of Health) . During September 

 GIANT AFRICAN SNAIL (Achatina f -ica ' baiting resumed on Kauai; 36 snail 

 collected and destroyed. Snail activ. ty at Wahiawa negative. (Sugawa) . 



