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Predatory Thrips Species Composition, Their Prey and Host Plant Association in Northern Thailand

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Predatory Thrips Species Composition, Their Prey and Host Plant Association in Northern Thailand Agriculture and Natural Resources 50 (2016) 380e387 Contents lists available at ScienceDirect Agriculture and Natural Resources journal homepage: http://www.journals.elsevier.com/agriculture-and- natural-resources/ Original Article Predatory thrips species composition, their prey and host plant association in Northern Thailand Samaporn Saengyot MJU Biological Control Research Center (MJU-BCRC), Faculty of Agricultural Production, Maejo University, Chiang Mai 50290, Thailand article info abstract Article history: A survey of predatory thrips, their prey and associated host plants was carried out from February 2013 to Received 27 January 2015 February 2014 in Chiang Rai, Phayao, Chiang Mai, Lamphun and Lampang provinces in Northern Accepted 25 October 2015 Thailand. The survey revealed 10 species of predatory thrips in 5 genera in the Family Phlaeothripidae. Available online 27 December 2016 They were: Aleurodothrips fasciapennis (Franklin), Androthrips flavipes Schmutz, Androthrips ramachandrai Karny, Karnyothrips flavipes (Jones), two indeterminate Karnyothrips sp.1 and sp.2, Leptothrips sp., Keywords: Podothrips lucasseni (Krüger), and two indeterminate Podothrips sp. 1, and sp. 2. Eleven species of insect Association and mite pests serving as prey were found associated with 16 species of host plants in 13 families. They Biological control fl Insect and mite pests were: scale insects, Coccus viridis (Green) and two Coccus spp.; spiraling white y, Aleurodicus dispersus fi Occurrence Russell; unidenti ed gall-making Hemiptera; coffee berry borer, Hypothenemus hampei (Ferrari); un- Predatory thrips identified crambid lepidopterous larvae; Kanzawa spider mite, Tetranychus kanzawai Kishida; santol gall mite, Eriophyes sandorici Nelepa; litchi rust mite, Aceria litchii (Keifer); and bamboo green mite, Apo- nychus corpuzae Rimando. The findings from this investigation could provide basic information necessary for further investigation in the use of some of these predatory thrips as biological control agents of insect and mite pests of economic importance in Thailand. Copyright © 2016, Kasetsart University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Introduction information of relevance. Hirose et al. (1989, 1993) and Okajima et al. (1992) conducted field surveys of thrips in Thailand, It is generally known and recognized that pest thrips are insect Malaysia and the Philippines during 1987e1988 in collaboration pests of economic importance in agricultural production and some with Thai entomologists from the National Biological Control thrips species such as the melon thripsdThrips palmi Karny (Thy- Research Center, Kasetsart University, Bangkok, Thailand. From the sanoptera: Thripidae)dhave been frequently intercepted in some survey, 18 thrips species, including T. palmi, were recorded from vegetables and orchids exported from Thailand (Kajita et al., 1992; solanaceous, cucurbitaceous and leguminous crops. Two predatory Collins, 2016). However, not adequately known is which of the thrips found were the vespiform thrips, Franklinothrips vespiformis predatory thrips are beneficial, serving as predators of small insect (Crawford) (Aeolothripidae) and Scolothrips asura Ayyar & Marga- and mite pests and contributing to naturally occurring biological bandhu (Thripidae). F. vespiformis was recorded from Okinawa, control of these arthropod pests. Unfortunately, they have been Japan in 1996 by Arakaki and Okajima (1998). It was also reported overlooked as renewable and valuable natural resources and they from California by Bethke et al. (2014). It attacks larvae and adults deserve further investigation and exploitation for augmentative of T. palmi, two spider mite species, larvae of the silverleaf whitefly, biological control and extensive conservation. Bemisia argentifolii Bellows and Perring or Bemisia tabaci (Genna- Lewis (1973) compiled a list of predatory thrips and their prey in dius) (Hemiptera: Aleyrodidae), and larvae of the serpentine leaf- different countries from Thompson and Simmonds (1965) with miner, Liriomyza trifolii Burgess (Diptera: Agromyzidae). It was amendments containing less than 30 species of predatory thrips. mass reared and used in southern France to supplement the Kirk (1997) stated that some thrips are known as useful predators predatory mite, Neoseiulus cucumeris (Oudemans) (Acarina: Phy- of mites and Lepidoptera on some field crops. A literature review toseiidae) to control onion thrips, Thrips tabaci Lindeman (Thysa- covering predatory thrips in Thailand has yielded inadequate noptera: Thripidae), western flower thrips, Frankliniella occidentalis (Pergande) (Thripidae), and Aeolothrips spp. (Aeolothripidae) in rose greenhouses (Nammour et al., 2008). E-mail address: [email protected]. http://dx.doi.org/10.1016/j.anres.2015.10.002 2452-316X/Copyright © 2016, Kasetsart University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/). S. Saengyot / Agriculture and Natural Resources 50 (2016) 380e387 381 Poonchaisri (2001) recorded a number of predatory thrips of concentrating in Chiang Rai, Phayao, Chiang Mai, Lamphun and the suborder Terebrantia in Thailand. They were Aduncothrips Lampang provinces. The region studied was located between lati- asiaticus Ramakrishna & Margabandhu, Aeolothrips fasciatus (L.), tudes 18140N and 19540N and longitudes 98600E and 99490E. F. vespiformis, Mymarothrips garuda Ramakrishna & Margabandhu The study areas in these provinces are characterized by a pattern of and Rhipidothrips sp. in the Family Aeolothripidae; and S. asura and generally north-south steep Phi Pan Nam hill ranges, intermontane Scolothrips sexmaculatus (Pergande) in the Family Thripidae. valleys and basins and alluvial gorges of the Ping, Wang and Yom A thrips survey was conducted during JanuaryeFebruary 2005 Rivers which together with the Nan River are the four major trib- in Chiang Mai, Thailand by Dr Mark S. Hoddle and Dr Christina utaries of the Chao Phraya River. The altitude is moderate at Stosic of the University of California, Riverside, CA, USA together 200e300 m above sea level at the floors of the valleys and basins to with the author. In this survey, a predatory thrips, Androthrips fla- over 2000 m for higher mountainous areas with Doi Inthanon as vipes (Schmutz) (Phlaeothripidae) was found in association with the highest summit at 2565 m in the Chom Thong district of Chiang four species of large black thrips in the Family Phlaeothripidae in Mai province. The 1981e2010 average minimum and maximum leaf galls of Chinese banyan, Ficus retusa (Moraceae) consisting of temperature, rainfall and relative humidity in the provinces of Gynaikothrips sp., the Cuban laurel thrips, Gynaikothrips ficorum Chiang Mai, Chiang Rai, Phayao, Lampang and Lamphun were: (Marchal), Gigantothrips elegans (Zimmerman), and Mesothrips sp. 14.9e24.0 C to 30.1e35.2 C; 12.8e23.6 Cto27.2e34.8 C; Predatory thrips have been reported worldwide from the states 13.7e24.0 Cto27.8e36.0 C; 15.0e24.1 C to 30.2e38.0 C; of Arizona, California, Florida and Texas in the USA (North America), 14.3e24.0 C to 30.0e36.7 C for temperature; 4.2e216.9 mm; the Caribbean, Central and South America, Asia and the Pacific re- 7.5e358.4 mm; 5.7e204.0 mm; 2.8e186.0 mm; 2.8e172.7 mm for gion, and Australia (Hirose et al., 1989, 1993; Okajima et al., 1992; rainfall; and 52e81%; 62e84%; 58e84%; 57e83%; 54e83% relative Arakaki and Okajima, 1998; Mound and Reynaud, 2005). The humidity, respectively (Thai Meteorological Department, n.d.). The predatory thrips thus reported were mostly vespiform thrips such overall climatic pattern in these provinces is humid tropical during as Franklinothrips orizabensis Johanson (Aeolothripidae) and the warmer months and is temperate during the brief period of F. vespiformis; six-spotted thrips, S. sexmaculatus; and black hunter winter months. thrips, Leptothrips mali (Fitch) (Phlaeothripidae) (Hoddle et al., The host plants examined were annual and perennial field crops, 2001a; Hoddle, 2003; Mound and Reynaud, 2005). plantation crops, shrubs or trees, orchards, ornamental plants and A predatory thrips (F. vespiformis) was reported as a potential roadside vegetation and weeds. The collection was in line with the natural enemy of mites, leafhoppers and whiteflies in citrus and method given by Lewis (1973) and Hoddle et al. (2002), that is, avocado orchards in Central and South America and it was used as a beating the plant parts (foliage or flowers) onto a white plastic tray biological control agent for onion thrips, T. tabaci, in greenhouse (18 cm  30 cm  10 cm), then all dropped insects were removed rose (Moulton, 1932). Other predatory thrips such as Aeolothrips from the tray using a fine, camel-hair brush and placed in 2 mL spp., S. sexmaculatus and Leptothrips spp. were reported as effective plastic Cryovial Non-Sterile (Sorenson BioScience, South West Salt biological control agents (Johansen, 1983; Mound and Marullo, Lake City, UT, USA) containing alcohol-glycerin-acetic acid (10 parts 1996, 1998). F. orizabensis was extensively studied for its mass of 60% alcohol, 1 part of glycerin and 1 part of glacial acetic acid) or rearing technique, and its biology and efficacy for biological control alcohol-glycerin-acetic acid (AGA) preservative (Mound and Pitkin, of avocado thrips, Scirtothrips perseae Nakahara (Thysanoptera: 1972). The
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