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Article ; Online: Conservation biological control of arthropod pests using native plants.

Zaviezo, Tania / Muñoz, Alejandra E

2023 Volume 56, Page(s) 101022

Abstract: Habitat or vegetation manipulation is a strategy within conservation biological control, yet, its formal study is relatively recent and lacking in many parts of the world, particularly when using native plants. We found 56 studies dealing with native ... ...

Abstract	Habitat or vegetation manipulation is a strategy within conservation biological control, yet, its formal study is relatively recent and lacking in many parts of the world, particularly when using native plants. We found 56 studies dealing with native plants and conservation biological control, from 2002 to 2022. Most were carried out in developed countries, and studied the provision of flower resources to natural enemies' complexes in several crops. The main gaps in knowledge, similar to studies with non-native plants, were the lack of understanding mechanisms, unknown effects on pest populations, and absence of cost-benefit analyses. Breaching these gaps will allow this strategy to be more transferable among cropping systems and locations and will promote its use by farmers.
MeSH term(s)	Animals ; Arthropods ; Pest Control, Biological ; Ecosystem ; Crops, Agricultural
Language	English
Publishing date	2023-03-12
Publishing country	Netherlands
Document type	Journal Article ; Review
ZDB-ID	2772833-X
ISSN	2214-5753 ; 2214-5745
ISSN (online)	2214-5753
ISSN	2214-5745
DOI	10.1016/j.cois.2023.101022
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Mating behavior of Pseudococcus calceolariae and Pseudococcus longispinus (Hemiptera: Pseudococcidae): are asexual reproduction and hybridization possible?

Ballesteros, Carolina / Chorbadjian, Rodrigo A / Zaviezo, Tania

Journal of insect science (Online)

2023 Volume 23, Issue 4

Abstract: The study of insect reproduction is important from both basic and applied perspectives, particularly in mealybugs (Hemiptera: Pseudococcidae), because of the diversity of reproduction modes and also because they are important agricultural pests. Sex ... ...

Abstract	The study of insect reproduction is important from both basic and applied perspectives, particularly in mealybugs (Hemiptera: Pseudococcidae), because of the diversity of reproduction modes and also because they are important agricultural pests. Sex pheromone control strategies are currently being developed for many species. Pseudococcus calceolariae (Maskell) and Pseudococcus longispinus (Targioni Tozzetti) are closely related species that often coexist in the same host plant. In this study, mating behavior, the possible occurrence of asexual reproduction, and hybridization between them were investigated. We confirmed that both species did not show asexual reproduction and required the presence of a male to reproduce. When couples of the same species were put together, males had a highly stereotyped mating behavior, and females showed an active role in mating success by accepting or rejecting males with abdominal movements. In hybridization trials, no progeny was obtained for any of the interspecific combinations. Moreover, in interspecific pairs, males mainly moved randomly in the arena without direct contact with females and females showed no willingness to mate, escape, or not move in the presence of the male. Therefore, courtship and copulation success in both species were directly related to the specificity of the mating pair and, there was no evidence of hybridization. This information is useful for the understanding of reproduction in this family and supports the development of management techniques based on sex pheromones to disrupt reproduction or to monitor these mealybug species populations.
MeSH term(s)	Male ; Female ; Animals ; Hemiptera/genetics ; Sex Attractants ; Reproduction, Asexual ; Hybridization, Genetic ; Copulation ; Reproduction
Chemical Substances	Sex Attractants
Language	English
Publishing date	2023-08-11
Publishing country	United States
Document type	Journal Article
ZDB-ID	2049098-7
ISSN	1536-2442 ; 1536-2442
ISSN (online)	1536-2442
ISSN	1536-2442
DOI	10.1093/jisesa/iead058
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Article: First report of the rhodesgrass mealybug Antonina graminis (Maskell, 1897) (Hemiptera: Coccomorpha: Pseudococcidae) in Chile, with key to genera of Pseudococcidae

Amouroux, Paul / Zaviezo, Tania

International journal of tropical insect science. 2021 June, v. 41, no. 2

2021

Abstract: The rhodesgrass mealybug, Antonina graminis (Maskell, 1897), is reported for the first time from Chile, in the northern region of Tarapacá. This legless mealybug is widely distributed in tropical and subtropical regions around the world, and yet ... ...

Abstract	The rhodesgrass mealybug, Antonina graminis (Maskell, 1897), is reported for the first time from Chile, in the northern region of Tarapacá. This legless mealybug is widely distributed in tropical and subtropical regions around the world, and yet mentioned in the neighbouring countries. It feeds on a large variety of grasses (Poaceae), and can be considered as pest. The species identification was based on morphological and molecular data using the 28S gene as barcode marker. Of the five sites sampled, A. graminis was found in only one, indicating it may correspond to a recent introduction. Thus, it would be important to survey more closely its distribution within the country. A key to the genera of Pseudococcidae from Chile is provided, including relevant genera considered as pest, and not established in the country. This key is of direct interest to stakeholders in Chile, such as national phytosanitary services, and farm advisors.
Keywords	Antonina graminis ; Poaceae ; farms ; genes ; insects ; pests ; species identification ; stakeholders ; Chile
Language	English
Dates of publication	2021-06
Size	p. 1863-1868.
Publishing place	Springer International Publishing
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	2166668-4
ISSN	1742-7592 ; 1742-7584
ISSN (online)	1742-7592
ISSN	1742-7584
DOI	10.1007/s42690-020-00382-7
Database	NAL-Catalogue (AGRICOLA)

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Article: Native flowering shrubs promote beneficial insects in avocado orchards

Muñoz, Alejandra E. / Amouroux, Paul / Zaviezo, Tania

Agricultural and forest entomology. 2021 Nov., v. 23, no. 4

2021

Abstract: Flower strips can promote and conserve beneficial insects in agroecosystems. Knowing which groups are favoured and which plant traits affect visitation rates by beneficial insects is important for the design of plant strips. We established 21 Native ... ...

Abstract	Flower strips can promote and conserve beneficial insects in agroecosystems. Knowing which groups are favoured and which plant traits affect visitation rates by beneficial insects is important for the design of plant strips. We established 21 Native Flower Strips (NFS) in avocado orchards in Central Chile. NFS contained 7–11 plant species, with variable corolla length and flowering period, to promote beneficial insects. We assessed flight activity of ladybirds (Coccinellidae) and bees (Apiformes) in sites adjacent to and far from NFS within avocado orchards. Additionally, we evaluated flower visitation for the main flower visitor groups (Apiformes, Lepidoptera, Diptera, and Coleoptera) to the plant species in NFS according to season and corolla length. We found almost six times greater flight activity of coccinellids and bees in NFS than sites far from NFS within avocado orchards. Visitation rates of pollinator groups varied according to corolla length and season. Diptera, Coleoptera, and Lepidoptera consistently visited short corolla flowers. NFS were highly visited in summer and autumn, when avocados were not in bloom. NFS in orchards should be encouraged by policymakers because they support beneficial insects that could deliver ecosystem services and contribute to local biological conservation.
Keywords	Coccinellidae ; Diptera ; Lepidoptera ; agroecosystems ; autumn ; avocados ; corolla ; entomology ; flight ; forests ; pollinators ; summer ; Chile
Language	English
Dates of publication	2021-11
Size	p. 463-472.
Publishing place	Blackwell Publishing Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1444210-3
ISSN	1461-9563 ; 1461-9555
ISSN (online)	1461-9563
ISSN	1461-9555
DOI	10.1111/afe.12447
Database	NAL-Catalogue (AGRICOLA)

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Article: Mating Disruption of Pseudococcus calceolariae (Maskell) (Hemiptera, Pseudococcidae) in Fruit Crops

Ballesteros, Carolina / Romero, Alda / Castro, María Colomba / Miranda, Sofía / Bergmann, Jan / Zaviezo, Tania

Insects. 2021 Apr. 13, v. 12, no. 4

2021

Abstract: Pseudococcus calceolariae, the citrophilous mealybug, is a species of economic importance. Mating disruption (MD) is a potential control tool. During 2017–2020, trials were conducted to evaluate the potential of P. calceolariae MD in an apple and a ... ...

Abstract	Pseudococcus calceolariae, the citrophilous mealybug, is a species of economic importance. Mating disruption (MD) is a potential control tool. During 2017–2020, trials were conducted to evaluate the potential of P. calceolariae MD in an apple and a tangerine orchard. Two pheromone doses, 6.32 g/ha (2017–2018) and 9.45 g/ha (2019–2020), were tested. The intermediate season (2018–2019) was evaluated without pheromone renewal to study the persistence of the pheromone effect. Male captures in pheromone traps, mealybug population/plant, percentage of infested fruit at harvest and mating disruption index (MDI) were recorded regularly. In both orchards, in the first season, male captures were significantly lower in MD plots compared to control plots, with an MDI > 94% in the first month after pheromone deployment. During the second season, significantly lower male captures in MD plots were still observed, with an average MDI of 80%. At the third season, male captures were again significant lower in MD than control plots shortly after pheromone applications. In both orchards, population by visual inspection and infested fruits were very low, without differences between MD and control plots. These results show the potential use of mating disruption for the control of P. calceolariae.
Keywords	Pseudococcus calceolariae ; apples ; fruits ; males ; orchards ; pheromones ; tangerines
Language	English
Dates of publication	2021-0413
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
Note	NAL-AP-2-clean
ISSN	2075-4450
DOI	10.3390/insects12040343
Database	NAL-Catalogue (AGRICOLA)

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Article: Intraspecific variation in biocontrol traits in Mastrus ridens (Hymenoptera: Ichneumonidae) laboratory populations

Zaviezo, Tania / Romero, Alda / Calleja, Felipe / Calvo, Cristóbal / Osorio, Roberto / Casanoves, Fernando / Irles, Paula

BioControl. 2021 Aug., v. 66, no. 4

2021

Abstract: Breeding natural enemies to generate populations with improved characteristics is an attractive idea, particularly nowadays with the increase in use of biological control and the availability of modern molecular and genetic tools. A first step in the ... ...

Abstract	Breeding natural enemies to generate populations with improved characteristics is an attractive idea, particularly nowadays with the increase in use of biological control and the availability of modern molecular and genetic tools. A first step in the process is to characterize traits which can be important for biological control and their intraspecific variation. In this study we characterized fecundity, longevity and dispersal-related traits of four endogamic and three exogamic laboratory populations (lines) of Mastrus ridens, an important parasitoid of the codling moth (Cydia pomonella (L.)). We found that several traits were positively correlated and that there was variability among lines and between endogamic and exogamic lines. Exogamic lines presented a better combination of trait values than endogamic lines. The absence of trade-offs among the traits studied in M. ridens would be advantageous for a breeding program. Nevertheless, it would be important not to lose genetic variability in the process, because of the presence of complementary sex determination (CSD) and negative effects of inbreeding on other traits. The results of this study could be useful for the selection of M. ridens lines with better traits and as preliminary information for breeding programs.
Keywords	Cydia pomonella ; Ichneumonidae ; biological control ; fecundity ; genetic variation ; intraspecific variation ; longevity ; parasitoids ; sex determination
Language	English
Dates of publication	2021-08
Size	p. 475-485.
Publishing place	Springer Netherlands
Document type	Article
ZDB-ID	1452737-6
ISSN	1573-8248 ; 1386-6141
ISSN (online)	1573-8248
ISSN	1386-6141
DOI	10.1007/s10526-021-10094-7
Database	NAL-Catalogue (AGRICOLA)

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Article: The positive association between natural vegetation, native coccinellids and functional diversity of aphidophagous coccinellid communities in alfalfa

Grez, Audrey A. / Zaviezo, Tania / Casanoves, Fernando / Oberti, Romina / Pliscoff, Patricio

Insect conservation and diversity. 2021 July, v. 14, no. 4

2021

Abstract: A greater taxonomic and functional diversity of natural enemies in agroecosystems is frequently positively associated with more effective pest control, due to the complementarity of species or traits. But this diversity has declined with landscape ... ...

Abstract	A greater taxonomic and functional diversity of natural enemies in agroecosystems is frequently positively associated with more effective pest control, due to the complementarity of species or traits. But this diversity has declined with landscape homogenisation and loss of natural covers, particularly losing native species, which play an important role in pest suppression within crops. We evaluated the effect of landscape on coccinellid communities and aphids, and the relative contribution of coccinellids and aphids in shaping taxonomic and functional diversity of coccinellid communities in alfalfa fields. We characterised the landscape at 1 km radius surrounding 17 alfalfa fields, and the taxonomic and functional diversity of coccinellid communities collected throughout the season in alfalfa. Functional diversity indices considered four traits: body size, habitat specialisation, ubiquity and temporal variability. We found a positive association among native coccinellids in alfalfa and the amount of natural cover in the landscape, while aphids positively associated with agricultural cover. Also, we found a positive association among functional and taxonomic diversity indices with native coccinellids, and a negative association with exotics, demonstrating the contribution of native coccinellids in adding taxonomic and functional diversity to the aphidophagous communities in alfalfa fields. Aphids also associated positively with some functional and taxonomic diversity indices. Our results highlight the need to promote appropriate management practices in agricultural landscapes in order to conserve native coccinellid species in alfalfa, maintain a diversified species pool and their potential for aphid pest suppression.
Keywords	Aphidoidea ; Coccinellidae ; agroecosystems ; alfalfa ; aphidophagous predators ; body size ; functional diversity ; habitats ; homogenization ; indigenous species ; landscapes ; pest control ; species diversity ; temporal variation ; vegetation
Language	English
Dates of publication	2021-07
Size	p. 464-475.
Publishing place	John Wiley & Sons, Ltd.
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2411024-3
ISSN	1752-4598 ; 1752-458X
ISSN (online)	1752-4598
ISSN	1752-458X
DOI	10.1111/icad.12473
Database	NAL-Catalogue (AGRICOLA)

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Article: Native flower strips increase visitation by non-bee insects to avocado flowers and promote yield

Muñoz, Alejandra E. / Plantegenest, Manuel / Amouroux, Paul / Zaviezo, Tania

Gesellschaft für Ökologie Basic and applied ecology. 2021 Nov., v. 56

2021

Abstract: Pollination is an essential ecosystem service for pollinator-dependent crops and plant communities. Apis mellifera L. is by far the most commonly used species to obtain this service in agriculture. However, there is growing evidence of the importance for ...

Abstract	Pollination is an essential ecosystem service for pollinator-dependent crops and plant communities. Apis mellifera L. is by far the most commonly used species to obtain this service in agriculture. However, there is growing evidence of the importance for crop yields of the service provided by wild bees and non-bee insect pollinators. Establishing flower resources in agricultural landscapes is a management practice that can increase insect pollinator populations and improve crop yields. We established perennial native flower strips (NFS) in four avocado orchards in central Chile during autumn 2017. We monitored flower visitors and counted newly formed fruits in avocados near and far from NFS in spring 2019, to assess flower visitor groups, flower visitation rates and fruit numbers. Only A. mellifera visited avocado flowers within bees, whereas both the managed A. mellifera and wild bees were the main visitors to the NFS. NFS increased visitation rates to adjacent avocado of flies, and with a trend for the sum of all non-managed flower visitors (i.e. excluding A. mellifera). However, there were no differences in the rates of A. mellifera visitation to avocados near and far from NFS. Avocado fruit numbers were higher among avocados near NFS than among those farther away. This difference could be due to better pollination by the increased visits to avocado flowers by flies or other wild insects. Therefore, NFS could contribute to crop fruit number, as well as conservation of native flora, wild bees and non-bee pollinators on fruit farms in the “Central Chile” biodiversity hotspot.
Keywords	Apis mellifera ; applied ecology ; autumn ; avocados ; biodiversity ; ecosystem services ; flora ; flowers ; fruits ; pollinating insects ; pollination ; spring ; Chile
Language	English
Dates of publication	2021-11
Size	p. 369-378.
Publishing place	Elsevier GmbH
Document type	Article
ZDB-ID	2026806-3
ISSN	1439-1791
ISSN	1439-1791
DOI	10.1016/j.baae.2021.08.015
Database	NAL-Catalogue (AGRICOLA)

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Article: Mating Disruption of

Ballesteros, Carolina / Romero, Alda / Castro, María Colomba / Miranda, Sofía / Bergmann, Jan / Zaviezo, Tania

Insects

2021 Volume 12, Issue 4

Abstract: Pseudococcus ... ...

Abstract	Pseudococcus calceolariae
Language	English
Publishing date	2021-04-13
Publishing country	Switzerland
Document type	Journal Article
ISSN	2075-4450
ISSN	2075-4450
DOI	10.3390/insects12040343
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Article ; Online: Citizen Science and Phytosanitary Surveillance Systems Are Complementary Tools to Follow the Invasion of Harmonia axyridis.

Grez, Audrey A / Zaviezo, Tania / Orellana, Ignacio / Pino, Luna / Roy, Helen E / Torres, Fernando / Rebolledo, Claudia

Neotropical entomology

2022 Volume 52, Issue 1, Page(s) 46–56

Abstract: Citizen science is a valuable tool for early detection, distribution, and spread of invasive alien species (IAS). Nevertheless, citizen science initiatives have several potential biases and may be complemented with long-term structured monitoring schemes. ...

Abstract	Citizen science is a valuable tool for early detection, distribution, and spread of invasive alien species (IAS). Nevertheless, citizen science initiatives have several potential biases and may be complemented with long-term structured monitoring schemes. We analyzed the spatial-temporal dynamics of the invasion of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) in Chile, based upon two citizen sciences databases (WEB and INAT) and one structured monitoring (SAG). We collected 8638 H. axyridis occurrences between 2009 and 2020. WEB had a higher number of records than SAG and INAT, and in all databases, the number of records has increased over time. The three databases showed that the invasion started in central Chile and then spread toward the north and south. The WEB and SAG recorded occurrences in the extreme north and south, whereas INAT concentrated all the occurrences in a more limited area, included in WEB and SAG. Both citizen science initiatives concentrated their records in areas of high human populations whereas SAG records had a more even distribution across regions. At 2020, WEB accounted for 55%, SAG 54%, and INAT 8% of the total area accumulated with H. axyridis, with only 16% of area shared among databases. WEB and INAT obtained most of their records in urban and industrial land cover types, while SAG records were more evenly represented in different land cover types. Our results confirm that combined methods, including citizen science initiatives, national surveillance system, and localized samplings, complement each other in providing knowledge to understand the patterns, processes, and consequences of this invasion.
MeSH term(s)	Humans ; Animals ; Citizen Science ; Coleoptera ; Introduced Species ; Chile
Language	English
Publishing date	2022-12-12
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2105363-7
ISSN	1678-8052 ; 1519-566X
ISSN (online)	1678-8052
ISSN	1519-566X
DOI	10.1007/s13744-022-01014-0
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