Parasitoids diversity in organic Sweet Pepper (Capsicum annuum) associated with Basil (Ocimum basilicum) and Marigold (Tagetes erecta)/Diversidade de parasitoides em Pimentao Organico (Capsicum annuum) associado com Manjericao (Ocimum basilicum) e Cravo Amarelo (Tagetes erecta).
Sweet pepper (Capsicum annuum L., 1753) is one of the most significant greenery cultivated in Brazil, with an annual production close to 290,000 tons of fruits. It is cultivated nationwide, especially in the states of Sao Paulo, Minas Gerais, Bahia, and Rio de Janeiro, which are the main producers (Marouelli and Silva, 2012).
Many arthropods are associated to this culture, and the damage from pests compromises the quantity and quality of the fruit, becoming a great problem to the production. The principal control method used is the application of phytosanitary products. In the ranking for foods with the highest pesticides index, sweet pepper is the leader. Almost all the cultivations in Brazil show high irregularities, as the presence of non-authorized active ingredients, and in higher concentrations than the maximum authorized by law (ANVISA, 2013).
The result of this inadequate management is the loss of ecological functions such as pollination and biological control, reducing the population of beneficial insects (Kruess and Tscharntke, 1994; Tilman et al., 2002; Poveda et al., 2008). Furthermore, it induces pesticide resistance in insects (Martins et al., 2012), hindering its control and increasing production cost.
On the other hand, the organic farming production adopts sustainable techniques, mainly aiming at improving the plant quality, and is an answer to the conventional production model, acting efficiently in maintaining the production of healthy plants without using phytosanitary products (Azadi et al., 2011).
Vegetable diversification is one of the main elements that can be managed to suppress undesirable insect populations in organic productions, for example, through the association of vegetable species. The simplification observed in conventional cultivation, generally characterized by monocultures, is considered responsible in part for the high incidence of pests and diseases (Michele, 1996). The inclusion of suitable vegetable species, in addition to diversified crops, guarantees the diversification and conservation of natural enemies.
The basil Ocimum basilicum L. (Lamiales: Lamiaceae) is an aromatic plant, cultivated in many countries due to its economic importance and great adaptability (Carovic-Stanko et al., 2010). The Ocimum genus has aromatic compounds as methyl eugenol, linalool, and, specially, eugenol, which are the most important constituents of the basil essential oil (Bhuvaneshwari et al. 2016). These compounds have nematicidal, pro-oxidants, anti-oxidants, dental anesthetics and disinfectant activity, as well as protect agents against nicotine toxicity in murine peritoneal macrophages (Kaya et al., 2008; Anamika et al., 2013).
The marigold Tagetes erecta L. (Asterales: Asteraceae) is a plant widely used in crop diversification studies on agricultural crops. Its colorful flowers, presence of nectar, and pollen can harbor alternative prey; moreover, it contains secondary metabolites that perform biological functions in nature, being able to control pests and diseases (Salinas-Sanchez et al., 2012). Marigold leaves and flowers have a volatile oil composed by a mixture of 29 and 27 compounds respectively (Haro, 2014). Among them, it stands out the (E)-P-farnesene found in leaves and flowers, compounds used by aphids as an alarm pheromone against predators (Bowers et al., 1972). Marigold plants also presents potential to diminish the use of synthetic insecticides (Serrato et al., 2007)
Flowering plants are used to maximize the biological pest control in agroecosystems, depending on the natural enemies' acceptance. Adult parasitoids have a free life, their nutritional needs are based on amino acids, vitamins, minerals, carbohydrates, lipids, and sterols (Panizzi and Parra, 2009), which promote higher longevity, search efficiency, and reproductive capacity (Mitsunaga et al. 2004, 2006), and may be available on pollen and nectar from the flowers.
The aromatic plants may be effective candidates to constitute diversified plantations since they can be cultivated in partially shaded environment, and are attractive and nutritious to predators and parasitoids due to their oils' fragrance and the nutrients they contain (Song et al. 2010).
Basedow et al. (2006) found that the association of basil with broad bean (Vicia faba L.) (Fabales: Fabaceae) act as repellent to the black bean aphid (Aphis fabae Scopoli) (Hemiptera: Aphididae), bringing benefits to the main crop. Roxas (2009) found that the association of chinese cabbage (Brassica pekinensis (Lour.) Rupr.) (Brassicales: Brassicaceae) with basil reduced the population of striped flea beetle (Phyllotreta striolata Fabricius) (Coleoptera: Chrysomelidae). In a study conducted by Montserrat et al. (2012), it has been shown that the use of basil facilitates the installation of Orius laevigatus Fieber (Hemiptera: Anthocoridae), predator of thrips, aphids, white-flies, and mites in sweet pepper plantation. There are few studies on the diversification between vegetables and basil, and even less information on the effects of its parasitoids to the detriment of insect pests.
Studies conducted on the T. erecta association to different crops shown that its presence aid in natural pest regulation and act in the attraction of their natural enemies. According to Silveira et al. (2009), lines of marigold close to onion crops promote higher richness and abundance of parasitoids when compared with lines containing only onion. Nevertheless, our goal was to evaluate the attraction of parasitoids by the association of basil and marigold in organic sweet pepper plantation, as follows: 1) increases in abundance, richness, and diversity of parasitoids associated to the basil; 2) increases in abundance, richness, and diversity of parasitoids associated to marigold.
2. Material and Methods
The experiment was conducted in an organic field at the Olericulture sector (21[degrees]13'51.06" S, 44[degrees]58'34.36" W, 905 m of altitude), in the Agriculture department of the Federal University of Lavras, in Lavras, MG. The experiment was composed of three treatments: a) in the sweet pepper monoculture: 72 plants were used, distributed in 4 garden beds with 60 cm between the plants and 1 m between the lines, with 9 plants in each line and 18 plants per bed; b) for the association of sweet pepper and basil: 72 sweet peppers plants were used with same spacing as the other treatment, and the basil were planted at the borders in a spacing of 40cm, being 72 plants in total; c) for the association of sweet pepper and marigold: 72 sweet peppers plants were used with same spacing, and marigold was planted at the borders in a spacing of 40 cm, containing 72 plants in total.
The Hymenoptera parasitoids samples were collected weekly. The sampling process started five weeks after the sweet pepper seedlings transplantation, fifteen days after the transplantation of basil and marigold, and was conducted over 14 weeks.
Two pan traps adapted from Moericke (1951) were fixed 15 cm below the average height of the sweet pepper plants in each treatment. These traps were developed for the sampling of flying insects in different altitudes in crop plantations or natural ecosystems, giving good results (Moericke, 1951), being useful in this case to verify the parasitoids flux along treatments. All parasitoids were counted and brought to Conservation Biological Control Laboratory on the Entomology Department of UFLA for identification. The specimen were identified to the lowest taxonomy level possible using the identification keys of Fernandez and Sharkey (2006) and through consultation with specialists (Taxonomists).
The diversity index: a) Insect richness, which is used to evaluate the composition of insect species in a community; b) Diversity, using Shannon H', an index to evaluate the diversity of the community; c) Insect abundance, which shows total number of insects collected; and d) Dominance, using the Berger-Parker test, which shows if there is a specie more dominant than the others; were all estimated through the Software Past[R], and their mean was analysed by the Scott Knott test at a level of significance of 5%, using the R Studio Package ExpDes.pt. To evaluate the community composition a Non-Metric Multidimensional Scaling (NMDS) was performed, using Bray-Curtis as a similarity index. After, the data was submitted to an analyse of similarity (ANOSIM) to find the numeric differences in the composition and, following, SIMPER tests were used to see which insects were responsible for the difference. All those tests were conducted with PAST[R] software (Hammer et al., 2001), and mean differences were performed at R Studio Software (R Development Core Team, 2015).
Two hundred and sixty-eight individuals, from 12 families and 41 taxa were collected. Each treatment: monoculture, sweet pepper-basil intercropping, and sweet pepper-marigold intercropping, hosted 40, 98, and 130 insects, respectively (Table 1 ). The plants of basil and marigold affected the increase in the parasitoid abundance index (CV= 36.19%, d.f = 11, P =0.010208) when compared to the plantation with only sweet pepper (Figure 1).
Overall, Richness showed 24 basil's and 23 marigold's treatments, not different from the 24 sweet pepper treatments (CV= 32.39%, d.f. = 11, P = 0.69109) (Table 1) (Figure 2). The species similarity was different between the monoculture treatment and both diversification treatments, (p= 0.0287) basil and (p= 0.0301) marigold, by ANOSIM test (Table 2). The diversification treatments of basil (1.73) and marigold (1.78) did not present Shannon diversity index (CV= 16.34%, d.f. = 11, P = 0.22702), differently from the monoculture (2.1) (Figure 3). There was a dominance (Figure 4) of Berger-Parker index among the treatments, with sweet pepper 0.20, basil 0.41, and marigold 0.45, showing a significant difference between monoculture and diversified plantation (CV= 24.93%, d.f. = 11, P = 0.00804).
The monoculture treatment was different from the associated treatments with basil and marigold, and had distinct grouping; the low stress value (0.1623) indicated the reliability of such treatments (Figure 5). There was a 75.12% dissimilarity between monoculture treatment and associated treatment with basil (Table 3), and 79.75% dissimilarity with treatment associated with marigold (Table 4). Furthermore, there was 56.45% dissimilarity between the two associated treatments (Table 5) on the SIMPER test.
It is known that the association with basil attracts lot of bees to the culture (Malerbo-Souza et al., 2000), which helps in the fruit production since sweet pepper is mainly pollinated by bees. In our experiment, it also acted as good attractive to parasitoids, as a higher quantity of parasitoids was found in the systems associated with basil (98 individuals) than in the monoculture (40 individuals). In the same way, the association with marigold provided an parasitoids increasing (130 individuals), as also found in plantations of onion (Silveira et al., 2009), garlic (Silva et al., 2012), lettuce (Haro, 2015), and kale (Silva et al. 2016). Numerous past studies support that vegetable diversification increases the number of parasitoid looking for food, host, and shelter (Pereira et al., 2015).
The most abundant insect in all associated treatments was the Didyctium sp. 1 (Hymenoptera: Figitidae), specially in associated treatment with basil. This genre is associated to the parasitism of Diptera Order insects, mainly those from the Phoridae family (Beardsley, 1989; Van Noort et al., 2015) and the Chloropidae family (Kocak and Ozdemlr, 2012). The attractive plants are possibly attracting more their hosts than the monoculture.
The second most abundant taxa in the associated treatments was the Polynema sp. 1 (Hymenoptera: Mymaridae), which is an egg parasitoid that has a great range of host, but above all the Hemiptera (specially from the families Cicadellida, Membracidae, Miridae, Nabidae, and Anthocoridae) and the Odonata (Huber, 1986; Huber et al., 2009). The high abundance of this insect can be explained by the possible great abundance of Anthocoridae in the treatments because, as reported by Silveira et al., (2009), these insects are attracted by marigold.
Apanteles sp. 1 (Hymenoptera: Braconidae) was the third most abundant in the associated treatments, also more numerous in the association with marigold. These insects are parasitoids of the Lepidoptera larvae (Whitfield et al., 2001; Varone et al., 2015), an insect that is greatly found in any plantation. Also theMeteorus sp. 1 (Hymenoptera: Braconidae), which was found in great abundance, is a parasitoid of the Lepidoptera larvae (Berry et al., 2016; Sobczak et al., 2012).
Of great importance was also our finding of Aphidius genre individuals (Hymenoptera: Braconidae), including A. ervi and A. platensis that are important parasitoids of the aphids (Bueno et al., 1993), only in the associated treatments, showing us the good results as of these plants utilization as attractive plants.
With the diversification, we found a significant difference in insect abundance along the treatments, with less insects in the monoculture than in the diversified treatments, a result also find by Root (1973), Andow (1991), Altieri and Roge (2009), Nicholls and Altieri (2012). The Berber-Parker Index was also significantly different for monoculture, having less dominant insects. A noteworthy point is that parasitoids are highly related to their hosts and habitat (Shaw, 2006). The diversification provides a more complex habitat and, therefore, a more suitable habitat for parasitoids (Aranda and Graciolli, 2015; Fabian et al., 2013) that are at a higher and susceptible trophic level (Fabian et al., 2013), meaning they need a more stable habitat to live. The diversification provides better habitat quality than the monoculture, thus the parasitoids are more likely to live in these diversified habitats.
Looking at the Shannon diversity index and the insects richness we found no difference among treatments, indicating that the association with basil and marigold have no influence on these attributes in sweet pepper plantations when compared to monoculture. Using the Non-Metric Multidimensional Scaling (NMDS) for the insect abundance, which is a tool to find groups of similar patterns and create maps displaying the relative positions of a number of objects (Clarke, 1993; Kruskal and Wish, 1978), it was possible to find three groups of Didyctium sp., Apanteles sp., and Polynema sp., and both associated treatments were more closely related to it than the monoculture treatment, what meant that the monoculture was different from both associated treatments in parasitoids abundance. This was expected when diversifying the plantation, as proposed by Andow (1991) and Nicholls and Altieri (2012).
According to Clarke (1993), using ANOSIM (Analysis of Similarities) is possible to quantify this difference, and we found an Rglobal of0.4283, meaning that the difference was not great, but we also found a significant difference between monoculture and basil (p= 0.0287), and between monoculture and marigold (p=0.0301), reinforcing the results obtained by the NMDS graphic.
Overall, the difference of parasitoids composition in diversified sweet pepper plantations is related to the presence of marigold and basil, providing a difference in the parasitoids species when compared with monoculture, being Didyctium, Apanteles, and Polynema the responsible for such difference.
The SIMPER (Similarity Percentage) is an easy test for assessing which taxa are primarily responsible for an observed difference between groups of samples (Clarke, 1993). In our analyses, we found that the monoculture showed an average dissimilarity of 75.12% with the associated treatments to basil, and an average dissimilarity of79.75% with marigold associated treatments. Moreover, when we compared both associated treatments we found only an average dissimilarity of 56.45%, showing that these treatments are more similar among them than with monoculture.
In study made by Fabian et al. (2013), they figured out that vegetable diversifications with wildflower lines increase the diversity and abundance of pollinators and biological control agents, favoring a potentially stable Hymenoptera community. Similarly to the findings in our study, it showed the importance of diversified crop concerning monoculture. The marigold and basil treatments were better evaluated than sweet pepper monoculture in all indexes. The parasitoids attraction and diversity index was higher in marigold plants than in basil. In contrast, basil plants had higher richness in species than marigold. The vegetable diversification of marigold or basil may be recommended in sweet pepper crops because they attract natural enemies of the various sweet pepper pests. Although there was no significant difference, both associated treatments had a high similarity of parasitoids species, and the intercropping with marigold stood out when compared to basil.
As propose by Aranda and Graciolli (2015), it is important to know the Hymenoptera fauna in different environments. In the Brazilian sweet pepper crop, the parasitoids fauna is not well known, and the effects of the vegetable diversification are crucial factors for the structuring and composition of the parasitoids community because it can help to diminish the pesticides use in the crop due to the attraction of natural enemies of the pests. Therefore, the vegetable diversification with basil and marigold in sweet pepper crop positively affects the attraction of parasitoids.
Therefore, when cultivating sweet pepper in association with basil or marigold, we can have an increase in the parasitoids abundance. The association with basil and marigold brought no increment to the parasitoid diversity in organic sweet pepper, but we found 24 species of parasitoids associated to the sweet pepper, basil, and marigold intercropping.
This study sustains that the use of basil and marigold in the sweet pepper crop may have an influence on parasitoids attraction. Additional studies are needed to determine whether other vegetable species are more beneficial to increase the abundance of parasitoids within the sweet pepper crops, preferably those strongly orientated to practical issues such as the relative benefits of parasitoids.
We are grateful to Mr. Pedro and Mr. Jozimar of the Olericulture Sector of the Agriculture department at the Federal University of Lavras, in Lavras, MG. This work was supported by CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior).
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I. L. Souza (a) *, V. B. Tomazella (a), A. J. N. Santos (b), T Moraes (c) and L. C. P Silveira (a)
(a) Laboratorio de Controle Biologico Conservativo, Departamento de Entomologia, Universidade Federal de Lavras UFLA, Av. Doutor Sylvio Menicucci, 1001, Kennedy, CEP 37200-000, Lavras, MG, Brasil
(b) Companhia Nacional de Abastecimento--CONAB, Rua Tobias Barreto, s/n, Bebedouro, CEP 57013-000, Maceio, AL, Brasil
(c) Laboratorio de Ecologia Molecular de Artropodes, Departamento de Entomologia, Escola Superior de Agricultura "Luiz de Queiroz"--ESALQ, Av. Padua Dias, 11, CEP 13418-900, Piracicaba, SP, Brasil
* e-mail: firstname.lastname@example.org
Received: September 17, 2017--Accepted: March 26, 2018--Distributed: November 30, 2019 (With 5 figures)
Caption: Figure 1. Graphic of Insect abundance with standard errors and significance letters of treatments. T0--Sweet Pepper Monoculture, T1--Sweet Pepper associated with Basil and T2- Sweet Pepper associated with Marigold.
Caption: Figure 2. Graphic of Insect Richness with standard errors of treatments. T0--Sweet Pepper Monoculture, T1--Sweet Pepper associated with Basil and T2--Sweet Pepper associated with Marigold.
Caption: Figure 3. Graphic of Shannon diversity index with standard errors of treatments. T0--Sweet Pepper Monoculture, T1--Sweet Pepper associated with Basil and T2--Sweet Pepper associated with Marigold.
Caption: Figure 4. Graphic of Berger-Parker index with standard errors and significance letters of treatments. T0--Sweet Pepper Monoculture, T1--Sweet Pepper associated with Basil and T2- Sweet Pepper associated with Marigold.
Caption: Figure 5. Graphic of NMDS of treatments stress = 0,1615.
Table 1. Parasitoids taxon abundance and frequency in monoculture sweet pepper (MBP), associated with basil (BPB), marigold (BPMg), and richness. MBP Families and Species n freq. Bethylidae Dissomphalus sp.1 Ashmead. 1893 -- -- Braconidae Aleiodes sp.1 Wesmael. 1838 -- -- Apanteles sp.1 Forster. 1862 1 2.5 Aphidius platensis Viereck. 1912 -- -- Aphidius ervi Haliday. 1834 -- -- Aphidius sp.1 Nees. 1818 -- -- Cotesia sp.1 Cameron. 1891 1 2.5 Deuterixys sp.1 Mason. 1981 -- -- Distatrix sp.1 Mason. 1981 -- -- Glyptapanteles sp.1 Ashmead. 1904 1 2.5 Hypomicrogaster sp.1 Ashmead. 1898 - - Meteorus sp.1 Haliday. 1835 2 5 Microgastrinae sp.1 Forster. 1862 -- -- Opius sp.1 Wesmael. 1835 2 5 Diapriidae Coptera sp.1 Say. 1816 -- -- Dryinidae Aphelopinae sp.1 Perkins. 1912 -- -- Encyrtidae Copidosoma sp.1 Ratzeburg. 1844 -- -- Metaphycus sp.1 Mercet. 1917 1 2.5 Eulophidae Aprostocetus sp.1 Westwood. 1833 -- -- Chrysocharis sp.1 Forster. 1856 1 2.5 Entedonastichus sp.1 Girault. 1920 1 2.5 Euderomphale sp.1 Girault. 1916 1 2.5 Thripastichus sp.1 Graham. 1987 1 2.5 Figitidae Aganaspis sp.1 Lin. 1987 3 7.5 Didyctium sp.1 Riley. 1879 3 7.5 Gronotoma sp.1 Forster. 1869 1 2.5 Ichneumonidae Anomalon cuetoi Gauld & Bradshaw. 1997 1 2.5 Anomalon sinuatum Morlers. 1912 1 2.5 Campopleginae Forster sp.1 1869 1 2.5 Campopleginae Forster sp.2 1869 1 2.5 Campopleginae Forster sp.3 1869 -- -- Cryptinae sp. 1 Kirby. 1837 -- -- Ichneumoninae sp.1 Latreille. 1802 1 2.5 Syzeuctus sp.1 Foerster. 1869 1 2.5 Megaspilidae Dendrocerus sp.1 Chow. 2000 2 5 Mymaridae Cleruchus sp.1 Enock. 1909 -- -- Polynema sp.1 Haliday. 1833 7 17.5 Platygastridae Inostemma sp.1 Haliday. 1833 -- -- Pteromalidae Halticoptera sp.1 Spinola. 1911 2 5 Pachyneuron sp.1 Walker. 1833 1 2.5 Telenomus sp.1 Haliday. 1833 3 7.5 Total 40 100 Richness 24 BPB Families and Species n freq. Bethylidae Dissomphalus sp.1 Ashmead. 1893 2 2.04 Braconidae Aleiodes sp.1 Wesmael. 1838 -- -- Apanteles sp.1 Forster. 1862 7 7.14 Aphidius platensis Viereck. 1912 1 1.02 Aphidius ervi Haliday. 1834 1 1.02 Aphidius sp.1 Nees. 1818 1 1.02 Cotesia sp.1 Cameron. 1891 1 1.02 Deuterixys sp.1 Mason. 1981 -- -- Distatrix sp.1 Mason. 1981 -- -- Glyptapanteles sp.1 Ashmead. 1904 1 1.02 Hypomicrogaster sp.1 Ashmead. 1898 - -- Meteorus sp.1 Haliday. 1835 2 2.04 Microgastrinae sp.1 Forster. 1862 -- -- Opius sp.1 Wesmael. 1835 -- -- Diapriidae Coptera sp.1 Say. 1816 2 2.04 Dryinidae Aphelopinae sp.1 Perkins. 1912 -- -- Encyrtidae Copidosoma sp.1 Ratzeburg. 1844 1 1.02 Metaphycus sp.1 Mercet. 1917 1 1.02 Eulophidae Aprostocetus sp.1 Westwood. 1833 -- -- Chrysocharis sp.1 Forster. 1856 - -- Entedonastichus sp.1 Girault. 1920 - -- Euderomphale sp.1 Girault. 1916 1 1.02 Thripastichus sp.1 Graham. 1987 -- -- Figitidae Aganaspis sp.1 Lin. 1987 1 1.02 Didyctium sp.1 Riley. 1879 40 40.82 Gronotoma sp.1 Forster. 1869 1 1.02 Ichneumonidae Anomalon cuetoi Gauld & Bradshaw. 1997 1 1.02 Anomalon sinuatum Morlers. 1912 4 4.08 Campopleginae Forster sp.1 1869 0 0.00 Campopleginae Forster sp.2 1869 1 1.02 Campopleginae Forster sp.3 1869 - 0.00 Cryptinae sp. 1 Kirby. 1837 1 1.02 Ichneumoninae sp.1 Latreille. 1802 -- -- Syzeuctus sp.1 Foerster. 1869 -- -- Megaspilidae Dendrocerus sp.1 Chow. 2000 -- -- Mymaridae Cleruchus sp.1 Enock. 1909 -- -- Polynema sp.1 Haliday. 1833 20 20.41 Platygastridae Inostemma sp.1 Haliday. 1833 1 1.02 Pteromalidae Halticoptera sp.1 Spinola. 1911 1 1.02 Pachyneuron sp.1 Walker. 1833 1 1.02 Telenomus sp.1 Haliday. 1833 5 5.10 Total 98 100 Richness 24 BPMg Families and Species n freq. Bethylidae Dissomphalus sp.1 Ashmead. 1893 1 0.77 Braconidae Aleiodes sp.1 Wesmael. 1838 1 0.77 Apanteles sp.1 Forster. 1862 32 24.62 Aphidius platensis Viereck. 1912 2 1.54 Aphidius ervi Haliday. 1834 -- -- Aphidius sp.1 Nees. 1818 4 3.08 Cotesia sp.1 Cameron. 1891 -- -- Deuterixys sp.1 Mason. 1981 1 0.77 Distatrix sp.1 Mason. 1981 2 1.54 Glyptapanteles sp.1 Ashmead. 1904 -- -- Hypomicrogaster sp.1 Ashmead. 1898 1 0.77 Meteorus sp.1 Haliday. 1835 8 6.15 Microgastrinae sp.1 Forster. 1862 2 1.54 Opius sp.1 Wesmael. 1835 2 1.54 Diapriidae Coptera sp.1 Say. 1816 -- -- Dryinidae Aphelopinae sp.1 Perkins. 1912 1 0.77 Encyrtidae Copidosoma sp.1 Ratzeburg. 1844 4 3.08 Metaphycus sp.1 Mercet. 1917 1 0.77 Eulophidae Aprostocetus sp.1 Westwood. 1833 1 0.77 Chrysocharis sp.1 Forster. 1856 -- -- Entedonastichus sp.1 Girault. 1920 -- -- Euderomphale sp.1 Girault. 1916 -- -- Thripastichus sp.1 Graham. 1987 -- -- Figitidae Aganaspis sp.1 Lin. 1987 6 4.62 Didyctium sp.1 Riley. 1879 34 26.15 Gronotoma sp.1 Forster. 1869 -- -- Ichneumonidae Anomalon cuetoi Gauld & Bradshaw. 1997 3 2.31 Anomalon sinuatum Morlers. 1912 -- -- Campopleginae Forster sp.1 1869 1 0.77 Campopleginae Forster sp.2 1869 -- -- Campopleginae Forster sp.3 1869 2 1.54 Cryptinae sp. 1 Kirby. 1837 -- -- Ichneumoninae sp.1 Latreille. 1802 -- -- Syzeuctus sp.1 Foerster. 1869 -- -- Megaspilidae Dendrocerus sp.1 Chow. 2000 -- -- Mymaridae Cleruchus sp.1 Enock. 1909 1 0.77 Polynema sp.1 Haliday. 1833 16 12.31 Platygastridae Inostemma sp.1 Haliday. 1833 -- -- Pteromalidae Halticoptera sp.1 Spinola. 1911 -- -- Pachyneuron sp.1 Walker. 1833 -- -- Telenomus sp.1 Haliday. 1833 4 3.08 Total 130 100 Richness 23 Table 2. ANOSIM of treatments, RGlobal = 0.4283, p <0.05 and 9999 permutations. Monoculture Basil Marigold Monoculture 0 0.0287 0.0301 Basil 0.0287 0 0.49 Monoculture 0.0301 0.49 0 Table 3. SIMPER test between monoculture and basil treatments, showing the insects that contributed with 70% of the difference between treatments. Average dissimilarity = 75.12 Monoculture Basil Mean Mean Species Abundance Abundance 1. Didyctium sp. 1 0.75 10 2. Polynema sp. 1 1.75 5 3. Apanteles sp. 1 0.25 1.75 4. Telenomus sp. 1 0.75 1.25 5. Anomalon sinuatum 0.25 1 6. Meteorus sp. 1 0.5 0.5 7. Aganaspis sp. 1 0.75 0.25 8. Dissomphalus sp. 1 0 0.5 9. Halticoptera sp. 1 0.5 0.25 Species Contribution % Cumulative % 1. Didyctium sp. 1 33.05 33.05 2. Polynema sp. 1 12.34 45.39 3. Apanteles sp. 1 6.826 52.21 4. Telenomus sp. 1 5.077 57.29 5. Anomalon sinuatum 3.505 60.8 6. Meteorus sp. 1 2.964 63.76 7. Aganaspis sp. 1 2.694 66.45 8. Dissomphalus sp. 1 2.283 68.74 9. Halticoptera sp. 1 2.204 70.94 Table 4. SIMPER test between monoculture and marigold treatments, showing the insects that contributed with 70% of the difference between treatments. Average dissimilarity = 79.75 Monoculture Marigold Species Mean Abundance Mean Abundance 1. Didyctium sp. 1 0.75 8.5 2. Apanteles sp. 1 0.25 8 3. Polynema sp. 1 1.75 4 4. Meteorus sp. 1 0.5 2 5. Telenomus sp. 1 0.75 1 6. Aganaspis sp. 1 0.75 1.5 7. Aphidius sp. 1 0 1 8. Copidosoma sp. 1 0 1 Species Contribution % Cumulative % 1. Didyctium sp. 1 25.65 25.65 2. Apanteles sp. 1 21.25 46.9 3. Polynema sp. 1 6.815 53.71 4. Meteorus sp. 1 5.095 58.81 5. Telenomus sp. 1 3.544 62.35 6. Aganaspis sp. 1 3.461 65.81 7. Aphidius sp. 1 2.918 68.73 8. Copidosoma sp. 1 2.467 71.2 Table 5. SIMPER test between Basil and Marigold treatments, showing the insects that contributed with 70% of the difference between treatments. Average dissimilarity = 56.45 Basil Marigold Species Mean Abundance Mean Abundance 1. Didyctium sp. 1 10 8.5 2. Apanteles sp. 1 1.75 8 3. Meteorus sp. 1 0.5 2 4. Polynema sp. 1 5 4 5. Telenomus sp. 1 1.25 1 6. Aganaspis sp. 1 0.25 1.5 7. Anomalon sinuatum 1 0 8. Aphidius sp. 1 0.25 1 9. Copidosoma sp. 1 0.25 1 Species Contribution % Cumulative % 1. Didyctium sp. 1 22.22 22.22 2. Apanteles sp. 1 21.13 43.35 3. Meteorus sp. 1 5.644 48.99 4. Polynema sp. 1 5.142 54.13 5. Telenomus sp. 1 4.73 58.86 6. Aganaspis sp. 1 4.46 63.32 7. Anomalon sinuatum 3.274 66.6 8. Aphidius sp. 1 3.204 69.8 9. Copidosoma sp. 1 2.805 72.6
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|Title Annotation:||Original Article|
|Author:||Souza, I.L.; Tomazella, V.B.; Santos, A.J.N.; Moraes, T.; Silveira, L.C.P.|
|Publication:||Brazilian Journal of Biology|
|Date:||Sep 12, 2019|
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