Journal of the Kansas Entomological Society (2020) 92, 577-588

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Srikumar Kodakkadan, H.M. Yeshwanth, Wagner de Souza Tavares, Irfan Pasaribu, Jupiter Israel Muro Abad, Marthin Tarigan, Alvaro Durán, Wong Ching Yong and Mukesh Sharma (2020)
Mirid pests of Eucalyptus in Indonesia: Notes on damage symptoms, alternate hosts and parasitoid
Journal of the Kansas Entomological Society 92 (4), 577-588
Abstract: Mirid bugs (Hemiptera: Miridae) are important pests of Eucalyptus (Myrtaceae) trees in Indonesia. Young Eucalyptus plantations are mainly affected by Helopeltis spp. Damage by Helopeltis resulted in die-back of young shoots, curling, deformation and drying usually, irrespective of the clones. In North Sumatra, damage in Eucalyptus is associated to Helopeltis bradyi Waterhouse despite the presence of H. theivora Waterhouse in the region. Important alternate host plants recorded as reservoirs of H. bradyi in vicinity to Eucalyptus plantations were Persea sp. (Lauraceae), Coffea sp. (Rubiaceae), Psidium guajava (Myrtaceae), Ludwigia sp. (Onagraceae), Clidemia hirta (Melastomataceae) and Theobroma cacao (Malvaceae). Leiophron sp. (Hymenoptera: Braconidae) was reported as an important parasitoid with parasitism of 41.86% on the H. bradyi nymphs and 17.07% on adults. Helopeltis theivora was recorded as the only species affecting Eucalyptus plantations in Riau Province, so far no other Helopeltis sp. has been identified in Riau. Ragwelellus festivus Miller and Ragwelellus sp. were reported for the first time damaging Eucalyptus trees in North Sumatra, Riau Province and East Kalimantan regions of Indonesia. Arthriticus eugeniae Bergroth was also reported for the first time damaging matured Eucalyptus trees along with Ragwelellus in North Sumatra and Riau Provinces.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Wagner de S. Tavares, Alvaro Duran

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Helopeltis bradyi Eucalypt (Eucalyptus) Indonesia
Helopeltis theivora Eucalypt (Eucalyptus) Indonesia
Ragwelellus festivus Eucalypt (Eucalyptus) Indonesia
Arthriticus eugeniae Eucalypt (Eucalyptus) Indonesia
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