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Bragard C, Baptista P, Chatzivassiliou E, Di Serio F, Gonthier P, Jaques Miret JA, Justesen AF, Magnusson CS, Milonas P, Navas‐Cortes JA, Parnell S, Potting R, Reignault PL, Stefani E, Thulke H, Van der Werf W, Vicent Civera A, Yuen J, Zappalà L, Grégoire J, Malumphy C, Gobbi A, Kertesz V, Maiorano A, Sfyra O, MacLeod A. Pest categorisation of Dendrolimus punctatus. EFSA J 2024; 22:e8504. [PMID: 38444826 PMCID: PMC10912981 DOI: 10.2903/j.efsa.2024.8504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024] Open
Abstract
The EFSA Panel on Plant Health performed a pest categorisation of Dendrolimus punctatus (Lepidoptera: Lasiocampidae), following a commodity risk assessment of bonsai Pinus parviflora grafted onto P. thunbergii from China, in which D. punctatus was identified as a pest of possible concern to the European Union (EU). D. punctatus, also known as the Masson pine caterpillar, is present in China, Taiwan, Vietnam, India and has recently spread to Japanese islands close to Taiwan. Larval feeding on the needles of Pinus elliottii, P. luchuensis, P. massoniana, P. merkusii and P. tabulaeformis causes important damage. D. punctatus larvae can also feed on P. armandii, P. echinata, P. latteri, P. parviflora, P. sylvestris var. mongolica, P. taeda, P. taiwanensis and P. thunbergii, but full development on these hosts is uncertain. The pest has three to five generations per year; winter is spent as larvae on branch tips, on tree trunks and in the soil. The females lay egg clusters on pine needles. Pupation occurs in cocoons attached to branches or needles. D. punctatus could enter the EU either as eggs, larvae or pupae in the foliage of plants for planting or cut branches, as larvae on wood with bark or as overwintering larvae in branches, crevices in the bark or in the litter of potted plants. However, Annex VI of 2019/2072 prohibits the introduction of D. punctatus hosts (Pinus spp.) from countries and areas where the pest occurs. There are climate zones where the pest occurs in Asia that also occur in the EU, though they are limited, which constitutes an uncertainty regarding establishment. The pest's main hosts are not grown in the EU. However, the fact that it attacks the North American Pinus echinata, P. elliottii and P. taeda in its Asian native area suggests a potential capacity to shift to pine species occurring in the EU territory. D. punctatus satisfies all the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest. Whether the Pinus commonly found in Europe could act as hosts is unknown but is fundamental, affecting the criteria of establishment and magnitude of impact.
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Kirichenko NI, Ageev AA, Astapenko SA, Golovina AN, Kasparyan DR, Kosheleva OV, Timokhov AV, Tselikh EV, Zakharov EV, Musolin DL, Belokobylskij SA. The Diversity of Parasitoids and Their Role in the Control of the Siberian Moth, Dendrolimus sibiricus (Lepidoptera: Lasiocampidae), a Major Coniferous Pest in Northern Asia. Life (Basel) 2024; 14:268. [PMID: 38398777 PMCID: PMC10890493 DOI: 10.3390/life14020268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
The Siberian moth, Dendrolimus sibiricus Tschetv., 1908 (Lepidoptera: Lasiocampidae) is a conifer pest that causes unprecedented forest mortality in Northern Asia, leading to enormous ecological and economic losses. This is the first study summarizing data on the parasitoid diversity and parasitism of this pest over the last 118 years (1905-2022). Based on 860 specimens of freshly reared and archival parasitoids, 16 species from two orders (Hymenoptera and Diptera) were identified morphologically and/or with the use of DNA barcoding. For all of them, data on distribution and hosts and images of parasitoid adults are provided. Among them, the braconid species, Meteorus versicolor (Wesmael, 1835), was documented as a parasitoid of D. sibiricus for the first time. The eastern Palaearctic form, Aleiodes esenbeckii (Hartig, 1838) dendrolimi (Matsumura, 1926), status nov., was resurrected from synonymy as a valid subspecies, and a key for its differentiation from the western Palaearctic subspecies Aleiodes esenbeckii ssp. esenbecki is provided. DNA barcodes of 11 parasitoid species from Siberia, i.e., nine hymenopterans and two dipterans, represented novel records and can be used for accurate molecular genetic identification of species. An exhaustive checklist of parasitoids accounting for 93 species associated with D. sibirisus in northern Asia was compiled. Finally, the literature and original data on parasitism in D. sibiricus populations for the last 83 years (1940-2022) were analysed taking into account the pest population dynamics (i.e., growth, outbreak, decline, and depression phases). A gradual time-lagged increase in egg and pupal parasitism in D. sibiricus populations was detected, with a peak in the pest decline phase. According to long-term observations, the following species are able to cause significant mortality of D. sibiricus in Northern Asia: the hymenopteran egg parasitoids Telenomus tetratomus and Ooencyrtus pinicolus; the larval parasitoids Aleiodes esenbeckii sp. dendrolimi, Cotesia spp., and Glyptapanteles liparidis; and the dipteran pupal parasitoids Masicera sphingivora, Tachina sp., and Blepharipa sp. Their potential should be further explored in order to develop biocontrol programs for this important forest pest.
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Affiliation(s)
- Natalia I. Kirichenko
- Federal Research Center, Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50/28, 660036 Krasnoyarsk, Russia
- Institute of Ecology and Geography, Siberian Federal University, Svobodny pr. 79, 660041 Krasnoyarsk, Russia
- All-Russian Plant Quarantine Center (FGBU VNIIKR), Krasnoyarsk Branch, Zhelyabova Str., 6/6, 660020 Krasnoyarsk, Russia
| | - Alexander A. Ageev
- All-Russian Research Institute of Forestry and Forestry Mechanization (VNIILM), “Forest Pyrology Center”, Krasnoyarsk Branch, Krupskoy St., 42, 660062 Krasnoyarsk, Russia; (A.A.A.); (S.A.A.); (A.N.G.)
| | - Sergey A. Astapenko
- All-Russian Research Institute of Forestry and Forestry Mechanization (VNIILM), “Forest Pyrology Center”, Krasnoyarsk Branch, Krupskoy St., 42, 660062 Krasnoyarsk, Russia; (A.A.A.); (S.A.A.); (A.N.G.)
- Federal Budgetary Institution “Russian Forest Protection Center”, Akademgorodok 50/2, 660036 Krasnoyarsk, Russia
| | - Anna N. Golovina
- All-Russian Research Institute of Forestry and Forestry Mechanization (VNIILM), “Forest Pyrology Center”, Krasnoyarsk Branch, Krupskoy St., 42, 660062 Krasnoyarsk, Russia; (A.A.A.); (S.A.A.); (A.N.G.)
| | - Dmitry R. Kasparyan
- Zoological Institute of the Russian Academy of Sciences, Universitetskaya nab. 1, 199034 Saint Petersburg, Russia; (D.R.K.); (E.V.T.)
| | - Oksana V. Kosheleva
- All-Russian Institute of Plant Protection (FSBSI VIZR), Podbelskogo 3, 196608 Saint Petersburg, Russia;
| | - Alexander V. Timokhov
- Department of Entomology, Lomonosov Moscow State University, Leninskie Gory, 119234 Moscow, Russia;
| | - Ekaterina V. Tselikh
- Zoological Institute of the Russian Academy of Sciences, Universitetskaya nab. 1, 199034 Saint Petersburg, Russia; (D.R.K.); (E.V.T.)
| | - Evgeny V. Zakharov
- Canadian Center for DNA Barcoding, Centre for Biodiversity Genomics, College of Biological Sciences, University of Guelph, 50 Stone Road, Guelph, ON N1G 2W1, Canada;
| | - Dmitrii L. Musolin
- European and Mediterranean Plant Protection Organization, 21 Boulevard Richard Lenoir, 75011 Paris, France;
| | - Sergey A. Belokobylskij
- Zoological Institute of the Russian Academy of Sciences, Universitetskaya nab. 1, 199034 Saint Petersburg, Russia; (D.R.K.); (E.V.T.)
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Gómez Marco F, Yanega D, Ruiz M, Hoddle MS. Proactive classical biological control of Lycorma delicatula (Hemiptera: Fulgoridae) in California (U.S.): Host range testing of Anastatus orientalis (Hymenoptera: Eupelmidae). Front Insect Sci 2023; 3:1134889. [PMID: 38469513 PMCID: PMC10926463 DOI: 10.3389/finsc.2023.1134889] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/08/2023] [Indexed: 03/13/2024]
Abstract
Lycorma delicatula (Hemiptera: Fulgoridae), the spotted lanternfly, native to China, invaded and established in the northeast U.S. in 2014. Since this time, populations have grown and spread rapidly, and invasion bridgeheads have been detected in mid-western states (i.e., Indiana in 2021). This invasive pest presents a significant threat to Californian agriculture. Therefore, a proactive classical biological control program using Anastatus orientalis (Hymenoptera: Eupelmidae), a L. delicatula egg parasitoid native to China, was initiated in anticipation of eventual establishment of L. delicatula in California. In support of this proactive approach, the potential host range of A. orientalis was investigated. Eggs of 34 insect species either native or non-native to the southwestern U.S. were assessed for suitability for parasitism and development of A. orientalis. Of the native species tested, 10, 13, and one were Hemiptera, Lepidoptera, and Mantodea, respectively. Of the non-native species, eight Hemiptera and two Lepidoptera were evaluated. Host range tests conducted in a quarantine facility, exposed individually mated A. orientalis females (Haplotype C) to non-target and target (i.e., L. delicatula) eggs in sequential no-choice and static choice experiments to determine suitability for parasitization and development. Additionally, the sex ratio, fertility, and size of offspring obtained from non-target and target eggs were evaluated. Results of host range testing indicated that A. orientalis is likely polyphagous and can successfully parasitize and develop in host species belonging to at least two different orders (i.e., Hemiptera, Lepidoptera) and seven families (Coreidae, Erebidae, Fulgoridae, Lasiocampidae, Pentatomidae, Saturniidae and Sphingidae). Prospects for use of A. orientalis as a classical biological control agent of L. delicatula in the southwestern U.S. are discussed.
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Affiliation(s)
- Francesc Gómez Marco
- Department of Entomology, University of California, Riverside, CA, United States
| | - Douglas Yanega
- Department of Entomology, University of California, Riverside, CA, United States
| | - Marta Ruiz
- Department of Botany & Plant Sciences, University of California, Riverside, CA, United States
| | - Mark S. Hoddle
- Department of Entomology, University of California, Riverside, CA, United States
- Center for Invasive Species Research, University of California, Riverside, CA, United States
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Stewart D, Djoumad A, Holden D, Kimoto T, Capron A, Dubatolov VV, Akhanaev YB, Yakimova ME, Martemyanov VV, Cusson M. A TaqMan Assay for the Detection and Monitoring of Potentially Invasive Lasiocampids, With Particular Attention to the Siberian Silk Moth, Dendrolimus sibiricus (Lepidoptera: Lasiocampidae). J Insect Sci 2023; 23:5. [PMID: 36723233 PMCID: PMC9890919 DOI: 10.1093/jisesa/ieac062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Indexed: 05/25/2023]
Abstract
The Siberian silk moth, Dendrolimus sibiricus Tschetverikov, is a very serious pest of conifers in Russia and is an emerging threat in North America where an accidental introduction could have devastating impacts on native forest resources. Other Dendrolimus Germar species and related Eurasian lasiocampids in the genus Malacosoma (Hubner) could also present a risk to North America's forests. Foreign vessels entering Canadian and U.S. ports are regularly inspected for Lymantria dispar (Linnaeus) and for the presence of other potentially invasive insects, including suspicious lasiocampid eggs. However, eggs are difficult to identify based on morphological features alone. Here, we report on the development of two TaqMan (Roche Molecular Systems, Inc., Rotkreuz, Switzerland) assays designed to assist regulatory agencies in their identification of these insects. Developed using the barcode region of the cytochrome c oxidase I (COI) gene and run in triplex format, the first assay can detect Dendrolimus and Malacosoma DNA, and can distinguish North American from Eurasian Malacosoma species. The second assay is based on markers identified within the internal transcribed spacer 2 (ITS2) region and was designed to specifically identify D. sibiricus, while discriminating closely related Dendrolimus taxa. In addition to providing direct species identification in the context of its use in North America, the D. sibiricus assay should prove useful for monitoring the spread of this pest in Eurasia, where its range overlaps with those of the morphologically identical D. superans (Butler) and similar D. pini (Linnaeus). The assays described here can be performed either in the lab on a benchtop instrument, or on-site using a portable machine.
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Affiliation(s)
- Don Stewart
- Laurentian Forestry Centre, Natural Resources Canada, Quebec City, Quebec, Canada
| | - Abdelmadjid Djoumad
- Laurentian Forestry Centre, Natural Resources Canada, Quebec City, Quebec, Canada
| | - Dave Holden
- Canadian Food Inspection Agency, Burnaby, British Columbia, Canada
| | - Troy Kimoto
- Canadian Food Inspection Agency, Burnaby, British Columbia, Canada
| | - Arnaud Capron
- Department of Forest and Conservation Sciences, Faculty of Forestry, University of British Columbia, Vancouver, British Columbia, Canada
| | - Vladimir V Dubatolov
- Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Yuriy B Akhanaev
- Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Maria E Yakimova
- Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
- Department of Information Biology, Novosibirsk State University, Novosibirsk, Russia
| | - Vyacheslav V Martemyanov
- Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Michel Cusson
- Laurentian Forestry Centre, Natural Resources Canada, Quebec City, Quebec, Canada
- Département de biochimie, de microbiologie et de bio-informatique, Université Laval, Quebec City, Quebec, Canada
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Jeger M, Bragard C, Caffier D, Candresse T, Chatzivassiliou E, Dehnen-Schmutz K, Gilioli G, Jaques Miret JA, MacLeod A, Navajas Navarro M, Niere B, Parnell S, Potting R, Rafoss T, Rossi V, Urek G, Van Bruggen A, Van der Werf W, West J, Winter S, Kirichenko N, Kertész V, Grégoire JC. Pest categorisation of Dendrolimus sibiricus. EFSA J 2018; 16:e05301. [PMID: 32625938 PMCID: PMC7009379 DOI: 10.2903/j.efsa.2018.5301] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The Panel on Plant Health performed a pest categorisation of the Siberian moth, Dendrolimus sibiricus Tschetverikov (Lepidoptera: Lasiocampidae). D. sibiricus is a well‐defined and distinguishable species, native to Asian Russia and northern regions of Kazakhstan, Mongolia, China and North Korea, and recognised as a severe pest of Pinaceae conifers, mainly larch (Larix spp.), fir (Abies spp.), spruce (Picea spp.), five‐needle pines (Pinus spp.). It has also a potential to develop on non‐native Pinaceae: Cedrus, Pseudotsuga, Tsuga. It defoliates healthy trees and kills thousands of hectares of forests. It is absent from the EU and is listed as a quarantine pest in Annex IAI of Directive 2000/29/EC. Plants for planting, branches of conifers and non‐squared wood from its distribution range are considered as pathways for the pest, which can also disperse by flight over tens of kilometres. The females produce sex pheromones. Adults do not feed and can survive for about 2 weeks. One female lays up to 400 eggs, attaching them to needles. One generation usually develops in 2–3 years, with larvae passing winter diapause and some undergoing facultative summer diapause. Exceptionally, 1‐year generations may occur if the number of degree‐days above 10°C is higher than 2,200. Larvae feed on needles through 5–6 instars and pupate in a cocoon on tree branches. Mature larvae have urticating setae on thoracic segments that protect them from enemies and may cause allergic reactions in humans and animals. The contradictory studies regarding the climatic requirements of D. sibiricus make the issue of its establishment in most of the EU territory uncertain, although its host trees are widely present. All criteria for considering D. sibiricus as a potential quarantine pest are met. The species is presently absent from the EU, and thus, the criteria for consideration as a potential regulated non‐quarantine pest are not met.
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Wu L, Xiong X, Wang X, Xin T, Wang J, Zou Z, Xia B. The complete mitochondrial genome of Trabala vishnou guttata (Lepidoptera: Lasiocampidae) and the related phylogenetic analyses. Genetica 2016; 144:675-688. [PMID: 27770241 DOI: 10.1007/s10709-016-9934-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 10/17/2016] [Indexed: 10/20/2022]
Abstract
The bluish yellow lappet moth, Trabala vishnou guttata is an extraordinarily important pest in China. The complete mitochondrial genome is sequenced and determined firstly, which is based on traditional PCR amplification and primer walking methods with a length of 15,281 bp, including 13 protein-coding (PCG) genes, 22 transfer RNA (rRNA) genes, two ribosomal RNA (tRNA) genes, and an A + T-rich region. The gene order and orientation of the T. vishnou guttata mitogenome were identical to the other sequenced Lasiocampidae species. The overall nucleotide composition of T. vishnou guttata is A (40.27 %), T (40.59 %), C (11.58 %) and G (7.56 %), respectively. All the PCGs initiate with the three orthodox start codons ATN except for coxI with CGA start codon. Three PCGs (coxI, coxII and nad4) used incomplete stop codon T, while the other 10 PCGs terminate with complete stop codon TAA. All tRNA genes have a typical clover-leaf structure except for the absence of a dihydrouridine arm in trnS (AGN). The length of A + T-rich region is 383 bp. Phylogeny is established to reveal the genetic relationship between T. vishnou guttata and other lepidopteran species based on 13 PCGs nucleotide sequences of the sequenced species (32 taxa) by Maximum likelihood and Bayesian methods. Phylogenetic analyses presents that T. vishnou guttata and its closely related species (Dendrolimus taxa) are clustered on Lasiocampidae group. It is a sister clade relationship between Lasiocampidae and other families in Bombycoidea with a bootstrap value of 83 % and a posterior probability of 0.75. This study supports that Lasiocampidae may be independent from Bombycoidea.
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Affiliation(s)
- Liuyu Wu
- College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Xiao Xiong
- College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Xuming Wang
- Plant Protection Unit, Dayu County, Ganzhou, 341500, China
| | - Tianrong Xin
- College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Jing Wang
- College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Zhiwen Zou
- College of Life Science, Nanchang University, Nanchang, 330031, China
| | - Bin Xia
- College of Life Science, Nanchang University, Nanchang, 330031, China.
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Costa JT, Ross KG. HIERARCHICAL GENETIC STRUCTURE AND GENE FLOW IN MACROGEOGRAPHIC POPULATIONS OF THE EASTERN TENT CATERPILLAR (MALACOSOMA AMERICANUM). Evolution 1994; 48:1158-1167. [PMID: 28564470 DOI: 10.1111/j.1558-5646.1994.tb05302.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/1993] [Accepted: 10/20/1993] [Indexed: 11/27/2022]
Abstract
Genetic structure and inferred rates of gene flow in macrogeographic populations of the eastern tent caterpillar Malacosoma americanum were analyzed at two hierarchical scales: local demes and regional subpopulations. Wright's F-statistics were used to estimate population genetic structure using multilocus genotypic data generated electrophoretically. Estimated values of FST and the distribution of private alleles were then used to obtain indirect estimates of gene flow. We found modest, though significant, genetic structure at both spatial scales, a pattern consistent with high rates of gene flow over the large distances involved. Modest values obtained for Nei's genetic distance also suggested high levels of gene flow across the range of this species, although some gene-flow restriction resulting from isolation by distance was suggested by a positive regression of genetic distance on geographic distance. The observed homogeneity at enzyme loci across the range of M. americanum parallels the reported uniformity in morphology, suggesting a general absence of local genetic differentiation in this widely distributed species. The genetic homogeneity observed in this wide-ranging insect is discussed in terms of organism-specific environmental experience at different spatial scales. Some organisms occupying apparently heterogeneous environments may ameliorate unsuitable local conditions through microhabitat selection or behavioral modification of their microenvironment. This may be accomplished in M. americanum through group shelter construction and behavioral thermoregulation, closely tying thermoregulation to social biology in this species. If in this way the tent helps produce an effectively homogeneous environment for this species across its extensive range, this system may provide a unique example of how social behavior can influence the distribution of genetic variation in a population.
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Affiliation(s)
- James T Costa
- Department of Entomology, University of Georgia, Athens, Georgia, 30602-2603
| | - Kenneth G Ross
- Department of Entomology, University of Georgia, Athens, Georgia, 30602-2603
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