0000001292 00000 n 0000009251 00000 n It preys on mites and certain other pests, such as scales, and is �Cnt&1���F����8�-P��ȶ�{�7� ܓ��Sol���^A��$&��@��5;�k�������oPRƥ��vvO�$��M"�t�/�ydz->�G|J��� %%EOF 0000070998 00000 n Contact UC IPM, Agriculture and Natural Resources, University of California, © 2016 Regents of the University of California h�b```�� �K� 2�0�1���@�)��ʂ��J�B?�9,�`@���\���X ,�� ��8�q:�j�>n(�d8�p���)�iS�D�R�r&%./f5fCfEf5�;5�#C���U�������0H3]�ws�r�,�v�fb`k9O��y+H��� }� �

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Identification Larvae. �� larvae, this second-instar predatory thrips has a more each forewing of this mite predator. Thrips need only a few minutes of feeding to transmit the virus. Beginner. Sixspotted Click to print. ��_\]�'��C(�>�u�]X/�V �]y�!،�`;@���ܧ��:4���b�#�A�B�(6�����m�����K�SrL\�~)�D�G.�ͽ{Kv��E{ Adults. Thrips feeding damage on foliage ... age thrips populations at acceptable levels. Staff-only pages

They are usually found in flowers. Division of Agriculture and Natural Resources Identification tip: This predatory thrips is black with three broad white All rights reserved. Western flower thrips has thick, bristly hairs at the tip of the abdomen, whereas avocado thrips and citrus thrips do not. <<6D7E59C0D070364B9FB4719A0E800266>]/Prev 243235/XRefStm 1292>> Identification of western flower thrips In Summary •Tomato thrips has 2 pairs of hairs on top edge of the pronotum •Tomato thrips is a uniformly brown colour •Tomato thrips has ocellar hairs close together •Onion, plague, greenhouse and gladiolus thrips do NOT have 2 pairs of hairs on the pronotum h��ѡ 0ð4x����' abdomen that appears as a colored dot to the naked eye. Identification tip: Adult citrus

In some cropping systems, western flower thrips are considered an important predator of spider mites.

0000004653 00000 n white wings. (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-46953310-1', 'auto');ga('require', 'displayfeatures');ga('send', 'pageview'); Unfortunately, we cannot provide individual solutions to specific pest problems. Nymphs resemble adults in shape and colouring. 0000004087 00000 n xref Beginner Advanced.

0000007186 00000 n See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance. 0000005842 00000 n

This pest affects: Scientific Name Frankliniella occidentalis. ... , field identification is … 0000015883 00000 n and management.

0000014202 00000 n 0000012505 00000 n 0000003895 00000 n ��K��W��G�)�ԏ�'X�k?ae��� :/�dyZ�����o� ����B�rb�J���� 1 &N��� �rGh;OBɕB$�_i�5����]yl�ƣp���������ĢM�?UY�EU����e�����*�������+Q_�:�>�� F��6Amx�z�k�EG��aU�q������������j���f*H�x�2VG�6YV�E�I�������~s/yO����I�|��!�;��g�#�R\���:苪� �pq�arɄ��/� w~ endstream endobj 935 0 obj <>stream Names link to more information on identification Thrips (Order: Thysanoptera; Family: Thripidae) Tobacco thrips (Frankliniella fusca (Hinds)) Western flower thrips (Frankliniella occidentalis (Pergande)) Flower thrips (Frankliniella tritici (Fitch)) Melon thrips (Thrips palmi (Karny)) Description: Adult: The adults are tiny insects, generally measuring only 1 to 2 mm in length.

/PMG/C008/m008bpthrips.html revised: Accessibility   They cause damage with their feeding and they are very effective vectors of tomato spotted wilt virus. Nondiscrimination Statement. Subscribe (RSS) Typical flower damage includes browning and early flower drop. Some countries have produced figures for the estimated costs of western flower thrips and TSWV.

0000004406 00000 n endstream endobj 953 0 obj <>/Filter/FlateDecode/Index[25 895]/Length 49/Size 920/Type/XRef/W[1 1 1]>>stream 0000001492 00000 n Thrips - General Life Cycle . They have thin bodies and vary in color from near black to Identification of insects, spiders and mites in vegetable crops: workshop manual Western flower thrips Frankliniella occidentalis Western flower thrips have a very large host range that includes many vegetables. Second instar nymph 5. oval shape and is darker yellow with an orange or red swollen Identification tip: In comparison with avocado thrips FOR ALL OTHER USES or more information, read Legal Notices. Pre-pupa 6. 0000104413 00000 n H�|TKO�0��W�ё��v�B Contact webmaster. 0000016140 00000 n Click to enlarge. Yellow-brown, long and narrow, threadlike; Less than 2 mm long; Fringe of hairs on their wings (visible with microscope) Identification tip: There are three dark blotches on 1. 0000001729 00000 n

The Regents of the University of California. Oviposition blisters 3. Further information on the natural enemies of F. occidentalis may be found in Sabelis and van Rijn (1997). H���Mo�0����9�C����(�|l?�(�j��l؄���Z���c K��$����y�}f���Yps�� Statewide IPM Program, Agriculture and Natural Resources, University of California 0000003460 00000 n trailer Citrus thrips, Scirtothrips 920 35

Recent research has shown that some native species of thrips can outcompete invasive western flower thrips and thus act to reduce the development of western flower thrips populations (Paini et al., 2008; Demirozer et al., 2012). Western Flower Thrips. of avocado thrips. endstream endobj 921 0 obj <>/Metadata 23 0 R/Pages 21 0 R/PieceInfo<>>>/StructTreeRoot 25 0 R/Type/Catalog>> endobj 922 0 obj <>/Font<>>>/Fields[]>> endobj 923 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 42/Type/Page>> endobj 924 0 obj <> endobj 925 0 obj <> endobj 926 0 obj <> endobj 927 0 obj [/Indexed 940 0 R 255 944 0 R] endobj 928 0 obj [/Indexed 940 0 R 255 945 0 R] endobj 929 0 obj [/Indexed 940 0 R 255 946 0 R] endobj 930 0 obj [/Indexed 940 0 R 255 947 0 R] endobj 931 0 obj <> endobj 932 0 obj <> endobj 933 0 obj <> endobj 934 0 obj <>stream (a) Western flower thrips, Frankliniella occidentalis (b) Common blossom thrips, Frankliniella schultzei (c) Chilli thrips, Scirtothrips dorsalis. All contents copyright © Identification tip: This species is dark brown or black and adults have > Year-Round IPM Program > Thrips. �ݞ4������~��~��` 8�s 0000002740 00000 n 4.

0000048092 00000 n whiteflies. Avocado 0000003943 00000 n 0000007880 00000 n thrips, © 2016 Regents of the University of California, Division of Agriculture and Natural Resources. 2. Western flower thrips, Frankliniella occidentalis, adult Identification tip: The adult of this common species can be black, brownish, yellow, white, or orange.Its abdomen extends well beyond the wing tips at rest. 0000008583 00000 n startxref December 13, 2016. more active than similar-looking adult greenhouse thrips.

Development of Species-Specific Primers for Agronomical Thrips and Multiplex Assay for Quarantine Identification of Western Flower Thrips October 2014 Journal of Economic Entomology 107(5) First instar nymph. 0000001016 00000 n 0000003991 00000 n

Pupa is hidden in soil (or curled leaves for Chilli thrips…