Volume 38 - December 2006 : Hawaiian Entomological Society

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    Trichogramma papilionis (Nagarkatti), the First Recorded Trichogramma Species to Parasitize Eggs in the Family Limacodidae
    (Hawaiian Entomological Society, 2006-12) Conant, Patrick ; Hirayama, Clyde K. ; Kishimoto, Christopher M. ; Hara, Arnold H.
    Trichogramma papilionis (Nagarkatti) was found parasitizing eggs of Darna pallivitta (Moore). This is the first confirmed record of an identified species of Trichogramma attacking Limacodidae eggs. Rates of parasitism and biology of T. papilionis are reported as well as its potential efficacy as a biological control agent in Hawaii. This is also the first record of T. papilionis from the Island of Hawaii.
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    First report of Nezara viridula f. aurantiaca (Hemiptera: Pentatomidae) in Hawaii
    (Hawaiian Entomological Society, 2006-12) Golden, Mary ; Follett, Peter A.
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    Laboratory study of predation by Curinus coeruleus (Coleoptera: Coccinellidae) on eggs of Aedes albopictus (Diptera: Culicidae)
    (Hawaiian Entomological Society, 2006-12) Yang, Pingjun
    The lady beetle, Curinus coeruleus (Mulsant), a biological control agent of the coconut mealybug, Nipaecoccus nipae (Maskell) and the psyllid, Heteropsylla cubana Crawford, was examined for its ability to consume Aedes albopictus (Skuse) eggs in the laboratory. Most C. coeruleus larvae in this test preyed on A. albopictus eggs (75% for the 2nd and 3rd instar and 71% for the 4th instar). The 2nd and 3rd instar larvae consumed an average of 51.8 eggs compared to an average of 57.7 eggs consumed by the 4th instar larvae. The 2nd and 3rd instar larvae survived for an average of 5.3 days, while the 4th instar larvae survived for an average of 5.6 days. Curinus coeruleus could not complete its life cycle by feeding only on A. albopictus eggs. Aedes albopictus eggs, which are available year round in Hawaii, may be a supplemental food source for C. coeruleus larvae when there is a shortage of psyllids.
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    Field Discovery of a Pearly Eye Melon Fly, Bactrocera cucurbitae (Hendel) (Diptera: Tephritidae), Mutant
    (Hawaiian Entomological Society, 2006-12) Harris, Ernest J. ; Mangine, Thomas E. ; Uchida, Grant K.
    A single female pearly eye melon fly Bactrocera cucurbitae was reared from field collected ivy gourd, Coccinia grandis L. Allele analysis of pearly eye revealed that it is a mutation that was determined to be autosomal recessive and a true breeding strain. We examined further genetic crosses of normal and pearly eye to evaluate its potential for use as a genetic marker in SIT programs.
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    Distribution of Chromolaena odorata and its Biological Control in Taiwan
    (Hawaiian Entomological Society, 2006-12) Lai, Po-Yung ; Muniappan, R. ; Wang, Tzu-Hui ; Wu, Chin-Jung
    Chromolaena odorata, introduced about 15 years ago to the southern part of Taiwan as a medicinal plant has become an invasive weed and has already spread to the counties of Pingtung, Kaohsiung, Tainan, Chiayi, Yunlin, Changhau, Taichung, and Taitung. An eriophyid mite, Acalitus adoratus, has been fortuitously introduced but is not effective in controlling C. odorata. Two effective natural enemies, a moth, Pareuchaetes pseudoinsulata and a gall fly, Cecidochares connexa have been imported from Guam into the quarantine facility at the National Pingtung University of Science and Technology for host-specificity testing and field release upon approval by the quarantine authority.