The Citrus red mite (Panonychus citri) is an economically important pest of citrus globally. Although citrus is the main host, it can also infest other fruit trees including pome and stone fruits. Adult mites and their nymphs feed on the fruit, leaves and twigs of the host plant and can cause defoliation, discoloration and reduced quality of the fruits. It is thought that the citrus rust mite originates in Asia, but global transportation of plant stock and ornamental citrus…
T. urticae is one of the most economically important pests in a wide range of outdoor and protected crops worldwide. T. urticae uses its mouthparts to penetrate plant cells, notably on the undersides of leaves, and ingests their contents. Each minute 1-2 dozen cells can be destroyed this way. The first visible symptoms are small whitish speckles, mainly around the midrib and larger veins. When these spots merge, the empty cells give areas of the leaf a whitish or silvery-transparent…
Mosquitoes of the genus Culex are distributed world-wide and belong to the subfamily Culicinae, which contains several medically important genera. Breeding sites of these mosquitoes are often in collections of water like puddles, ditches or rice-fields but also man-made containers such as tin-cans, bottles or storage tanks. Medically important species like Culex quinquefasciatus or Culex pipiens pipiens prefer to breed in water that is polluted by organic debris such as rotting vegetation or human and animal excrement. Due to…
Overview: J IRAC is abbreviated name for Japan Insecticide Resistance Action Committee, and the Japanese translation is “殺虫剤抵抗性対策委員会 日本支部”. The Japan IRAC Group evolved from the local Diamide/Lepidoptera Working Group but has now formed a full IRAC Country Group by broadening their remit to include other pest species and chemistries as well as inviting membership from other companies. The first meeting of J IRAC in the Japan Crop Protection Association, a CropLife member in Japan, was held on the…
INTRODUCAO A evolução da resistência de pragas a pesticidas tem sido um dos grandes entraves em programas de MIP em diversas culturas a nível mundial. Dentre as conseqüências da resistência estão a aplicação mais freqüente de produtos, uso de dosagens acima da recomendada no rótulo ou na bula do produto, uso indevido de mistura de produtos, e mudança de produto (geralmente para um produto mais caro e/ou mais tóxico) na tentativa de se obter um controle satisfatório de uma…
Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) originated in western North America and has since become a major pest of vegetables, fruit and ornamental crops across the US and around the world. F. occidentalis are small (1-2 mm long), slender, soft-bodied insects that are yellow to light brown in color; adults have distinctive fringed wings. It can develop quickly, going from egg to adult in two weeks or less at favorable temperatures. Adult females insert eggs into plant tissue under the epidermis….
The IRAC Mode of Action Classification The definitive, global classification scheme on the target sites of acaricides and insecticides The IRAC Mode of Action (MoA) classification provides growers, advisors, extension staff, consultants and crop protection professionals with a guide to the selection of acaricides or insecticides for use in an effective and sustainable acaricide or insecticide resistance management (IRM) strategy. PlayThe importance of MoAin 3 minutes Available in English, Arabic, Bahasa(Indonesian), French, German, Hindi, Italian, Japanese, Khmer, Korean, Mandarin…
Aphis gossypii Glover (Hemiptera: Aphididae) is a destructive pest of numerous crops worldwide. This sap-sucking insect affects plants via direct feeding and indirectly via plant viral disease transmission (more than 50 plant pathogenic viruses known). It has a very wide host range with at least 700 host plants being known world-wide. It can seriously affect most cucurbit and solanaceous vegetable crops as well as leafy vegetables, legumes, potato, ornamentals, stone fruits, oil seed rape, citrus, cotton or many other…
The IRAC Library of Susceptibility Test Methods A collection of standard, validated and easy-to-run methods for resistance detection in the world’s major insect pests. The IRAC Methods Team has worked in collaboration with experts in academia and other institutions to develop, validate and collate approved susceptibility test methods and make them available to all via it’s website . These methods are crucial for successful monitoring of resistance problems around the world. Find a method Search and filter by species,…