Diversity and Abundance of Pest Insects Associated with <i>Solanum aethiopicum</i> Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon)

Boris Fouelifack-Nintidem; Jeanne Aggripine Yetchom-Fondjo; Sedrick Junior Tsekane; Babell Ngamaleu-Siewe; Edith Laure Kenne; Miric Biawa-Kagmegni; Patrick Steve Tuekam-Kowa; Abdel Kayoum Yomon; Rossi Merlin Kentsop-Tsafong; Armel Moise Dim-Mbianda; Martin Kenne

doi:doi:10.11648/j.aje.20210503.14

Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon)

Boris Fouelifack-Nintidem, Jeanne Aggripine Yetchom-Fondjo, Sedrick Junior Tsekane, Babell Ngamaleu-Siewe, Edith Laure Kenne, Miric Biawa-Kagmegni, Patrick Steve Tuekam-Kowa, Abdel Kayoum Yomon, Rossi Merlin Kentsop-Tsafong, Armel Moise Dim-Mbianda, Martin Kenne

Published in American Journal of Entomology (Volume 5, Issue 3)

Received: 24 August 2021 Accepted: 6 September 2021 Published: 14 September 2021

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Abstract

Despite chemical treatments, all development stages of Solanum aethiopicum Linnaeus, 1756 plants are damaged in the field by insects in Balessing locality (West-Cameroon). During ecological surveys conducted from July to October 2020 in 11 plots presenting four development stages: seedlings (St1), fruit setting plants (St2), flowering phase plants (St3), and fruiting phase plants (St4). Insects active on stems, leaves, flowers and fruits, were captured, identified and the community structure was characterized. Abundance of each species and the part of the plant attacked were noted. Specimens were stored in vials containing 70° alcohol while immature insects were reared in the laboratory till the adult emergence. A total of 155 specimens collected in the field belonged to four orders, 13 families and 22 species. Lepidoptera and Hemiptera were most abundant (38.7% and 34.8% of the total collection respectively). Coleoptera and Orthoptera were least abundant (14.2% and 12.3% respectively). In the laboratory rearing, two Lepidoptera emerged from reared caterpillars: the Crambidae (Leucinodes orbonalis Guenee, 1854) and the Noctuidae [Helicoverpa armigera (Hübner, 1808)]. This gives a total of four orders, 14 families, 22 genera and 23 species associated with eggplant plants. In the field, plants were damaged by three borer species (13.0%) [Phrissotrichum grenieri (Desbrochers, 1875) (Coleoptera, Brentidae), Le. orbonalis (Lepidoptera, Crambidae) and H. armigera (Lepidoptera, Noctuidae)], by five phytophagous pest species (21.7%) [Lagria villosa (Fabricius, 1781) (Coleoptera, Tenebrionidae), Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae), Manduca sexta Linnaeus, 1763 (Lepidoptera, Sphingidae), Sphaerocoris annulus (Fabricius, 1775) (Hemiptera, Scutelleridae) and Taphronota ferruginea (Fabricius, 1781) (Orthoptera, Pyrgomorphidae)], three sap-feeding species (13.0%) [Dysdercus volkeri (Schmidt, 1932) (Hemiptera, Pyrrhocoridae), Edessa rufomarginata (De Geer, 1773) (Hemiptera, Pentatomidae) and Gonocerus acuteangularis (Goeze, 1778) (Hemiptera, Coreidae)] and 12 species of unknown pest-status. We recorded 11 pest species (47.8% of the total species richness) [six (26.1%) non-native and five (21.7%) native species]. Coleoptera presented a high number of species (34.8%) followed by Hemiptera (30.4%), Orthoptera (21.7%) and Lepidoptera (13.0%). Lepidoptera Crambidae (38.1%) was the most represented, followed by Hemiptera Pentatomidae (14.1%), Orthoptera Acrididae (10.2%), Hemiptera Coreidae and Hemiptera Pyrrhocoridae (7.7% respectively), Hemiptera Scutelleridae (5.2%), Coleoptera Tenebrionidae (5.1%), Coleoptera Chrysomelidae (4.5%), Orthoptera Pyrgomorphidae (3.9%) and Coleoptera Brentidae (1.3%). Three families (Carabidae, Sphingidae and Scarabeidae) were rare (<1% of the total collection). Chemicals were not efficient in Balessing, since entomofauna associated with eggplant plants remained diverse and consisted mostly of alien species. The situation calls for more research on the bio-ecology of the recorded pests with further goal of developing sustainable management strategies to reduce yield losses.

Published in	American Journal of Entomology (Volume 5, Issue 3)
DOI	10.11648/j.aje.20210503.14
Page(s)	70-91
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Solanum aethiopicum, Pest Insects, Biodiversity, Balessing (Cameroon)

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Boris Fouelifack-Nintidem, Jeanne Aggripine Yetchom-Fondjo, Sedrick Junior Tsekane, Babell Ngamaleu-Siewe, Edith Laure Kenne, et al. (2021). Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon). American Journal of Entomology, 5(3), 70-91. https://doi.org/10.11648/j.aje.20210503.14

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Boris Fouelifack-Nintidem; Jeanne Aggripine Yetchom-Fondjo; Sedrick Junior Tsekane; Babell Ngamaleu-Siewe; Edith Laure Kenne, et al. Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon). Am. J. Entomol. 2021, 5(3), 70-91. doi: 10.11648/j.aje.20210503.14

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Boris Fouelifack-Nintidem, Jeanne Aggripine Yetchom-Fondjo, Sedrick Junior Tsekane, Babell Ngamaleu-Siewe, Edith Laure Kenne, et al. Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon). Am J Entomol. 2021;5(3):70-91. doi: 10.11648/j.aje.20210503.14

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@article{10.11648/j.aje.20210503.14,
  author = {Boris Fouelifack-Nintidem and Jeanne Aggripine Yetchom-Fondjo and Sedrick Junior Tsekane and Babell Ngamaleu-Siewe and Edith Laure Kenne and Miric Biawa-Kagmegni and Patrick Steve Tuekam-Kowa and Abdel Kayoum Yomon and Rossi Merlin Kentsop-Tsafong and Armel Moise Dim-Mbianda and Martin Kenne},
  title = {Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon)},
  journal = {American Journal of Entomology},
  volume = {5},
  number = {3},
  pages = {70-91},
  doi = {10.11648/j.aje.20210503.14},
  url = {https://doi.org/10.11648/j.aje.20210503.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aje.20210503.14},
  abstract = {Despite chemical treatments, all development stages of Solanum aethiopicum Linnaeus, 1756 plants are damaged in the field by insects in Balessing locality (West-Cameroon). During ecological surveys conducted from July to October 2020 in 11 plots presenting four development stages: seedlings (St1), fruit setting plants (St2), flowering phase plants (St3), and fruiting phase plants (St4). Insects active on stems, leaves, flowers and fruits, were captured, identified and the community structure was characterized. Abundance of each species and the part of the plant attacked were noted. Specimens were stored in vials containing 70° alcohol while immature insects were reared in the laboratory till the adult emergence. A total of 155 specimens collected in the field belonged to four orders, 13 families and 22 species. Lepidoptera and Hemiptera were most abundant (38.7% and 34.8% of the total collection respectively). Coleoptera and Orthoptera were least abundant (14.2% and 12.3% respectively). In the laboratory rearing, two Lepidoptera emerged from reared caterpillars: the Crambidae (Leucinodes orbonalis Guenee, 1854) and the Noctuidae [Helicoverpa armigera (Hübner, 1808)]. This gives a total of four orders, 14 families, 22 genera and 23 species associated with eggplant plants. In the field, plants were damaged by three borer species (13.0%) [Phrissotrichum grenieri (Desbrochers, 1875) (Coleoptera, Brentidae), Le. orbonalis (Lepidoptera, Crambidae) and H. armigera (Lepidoptera, Noctuidae)], by five phytophagous pest species (21.7%) [Lagria villosa (Fabricius, 1781) (Coleoptera, Tenebrionidae), Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae), Manduca sexta Linnaeus, 1763 (Lepidoptera, Sphingidae), Sphaerocoris annulus (Fabricius, 1775) (Hemiptera, Scutelleridae) and Taphronota ferruginea (Fabricius, 1781) (Orthoptera, Pyrgomorphidae)], three sap-feeding species (13.0%) [Dysdercus volkeri (Schmidt, 1932) (Hemiptera, Pyrrhocoridae), Edessa rufomarginata (De Geer, 1773) (Hemiptera, Pentatomidae) and Gonocerus acuteangularis (Goeze, 1778) (Hemiptera, Coreidae)] and 12 species of unknown pest-status. We recorded 11 pest species (47.8% of the total species richness) [six (26.1%) non-native and five (21.7%) native species]. Coleoptera presented a high number of species (34.8%) followed by Hemiptera (30.4%), Orthoptera (21.7%) and Lepidoptera (13.0%). Lepidoptera Crambidae (38.1%) was the most represented, followed by Hemiptera Pentatomidae (14.1%), Orthoptera Acrididae (10.2%), Hemiptera Coreidae and Hemiptera Pyrrhocoridae (7.7% respectively), Hemiptera Scutelleridae (5.2%), Coleoptera Tenebrionidae (5.1%), Coleoptera Chrysomelidae (4.5%), Orthoptera Pyrgomorphidae (3.9%) and Coleoptera Brentidae (1.3%). Three families (Carabidae, Sphingidae and Scarabeidae) were rare (<1% of the total collection). Chemicals were not efficient in Balessing, since entomofauna associated with eggplant plants remained diverse and consisted mostly of alien species. The situation calls for more research on the bio-ecology of the recorded pests with further goal of developing sustainable management strategies to reduce yield losses.},
 year = {2021}
}

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TY  - JOUR
T1  - Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon)
AU  - Boris Fouelifack-Nintidem
AU  - Jeanne Aggripine Yetchom-Fondjo
AU  - Sedrick Junior Tsekane
AU  - Babell Ngamaleu-Siewe
AU  - Edith Laure Kenne
AU  - Miric Biawa-Kagmegni
AU  - Patrick Steve Tuekam-Kowa
AU  - Abdel Kayoum Yomon
AU  - Rossi Merlin Kentsop-Tsafong
AU  - Armel Moise Dim-Mbianda
AU  - Martin Kenne
Y1  - 2021/09/14
PY  - 2021
N1  - https://doi.org/10.11648/j.aje.20210503.14
DO  - 10.11648/j.aje.20210503.14
T2  - American Journal of Entomology
JF  - American Journal of Entomology
JO  - American Journal of Entomology
SP  - 70
EP  - 91
PB  - Science Publishing Group
SN  - 2640-0537
UR  - https://doi.org/10.11648/j.aje.20210503.14
AB  - Despite chemical treatments, all development stages of Solanum aethiopicum Linnaeus, 1756 plants are damaged in the field by insects in Balessing locality (West-Cameroon). During ecological surveys conducted from July to October 2020 in 11 plots presenting four development stages: seedlings (St1), fruit setting plants (St2), flowering phase plants (St3), and fruiting phase plants (St4). Insects active on stems, leaves, flowers and fruits, were captured, identified and the community structure was characterized. Abundance of each species and the part of the plant attacked were noted. Specimens were stored in vials containing 70° alcohol while immature insects were reared in the laboratory till the adult emergence. A total of 155 specimens collected in the field belonged to four orders, 13 families and 22 species. Lepidoptera and Hemiptera were most abundant (38.7% and 34.8% of the total collection respectively). Coleoptera and Orthoptera were least abundant (14.2% and 12.3% respectively). In the laboratory rearing, two Lepidoptera emerged from reared caterpillars: the Crambidae (Leucinodes orbonalis Guenee, 1854) and the Noctuidae [Helicoverpa armigera (Hübner, 1808)]. This gives a total of four orders, 14 families, 22 genera and 23 species associated with eggplant plants. In the field, plants were damaged by three borer species (13.0%) [Phrissotrichum grenieri (Desbrochers, 1875) (Coleoptera, Brentidae), Le. orbonalis (Lepidoptera, Crambidae) and H. armigera (Lepidoptera, Noctuidae)], by five phytophagous pest species (21.7%) [Lagria villosa (Fabricius, 1781) (Coleoptera, Tenebrionidae), Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae), Manduca sexta Linnaeus, 1763 (Lepidoptera, Sphingidae), Sphaerocoris annulus (Fabricius, 1775) (Hemiptera, Scutelleridae) and Taphronota ferruginea (Fabricius, 1781) (Orthoptera, Pyrgomorphidae)], three sap-feeding species (13.0%) [Dysdercus volkeri (Schmidt, 1932) (Hemiptera, Pyrrhocoridae), Edessa rufomarginata (De Geer, 1773) (Hemiptera, Pentatomidae) and Gonocerus acuteangularis (Goeze, 1778) (Hemiptera, Coreidae)] and 12 species of unknown pest-status. We recorded 11 pest species (47.8% of the total species richness) [six (26.1%) non-native and five (21.7%) native species]. Coleoptera presented a high number of species (34.8%) followed by Hemiptera (30.4%), Orthoptera (21.7%) and Lepidoptera (13.0%). Lepidoptera Crambidae (38.1%) was the most represented, followed by Hemiptera Pentatomidae (14.1%), Orthoptera Acrididae (10.2%), Hemiptera Coreidae and Hemiptera Pyrrhocoridae (7.7% respectively), Hemiptera Scutelleridae (5.2%), Coleoptera Tenebrionidae (5.1%), Coleoptera Chrysomelidae (4.5%), Orthoptera Pyrgomorphidae (3.9%) and Coleoptera Brentidae (1.3%). Three families (Carabidae, Sphingidae and Scarabeidae) were rare (<1% of the total collection). Chemicals were not efficient in Balessing, since entomofauna associated with eggplant plants remained diverse and consisted mostly of alien species. The situation calls for more research on the bio-ecology of the recorded pests with further goal of developing sustainable management strategies to reduce yield losses.
VL  - 5
IS  - 3
ER  -

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Author Information

Boris Fouelifack-Nintidem

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Jeanne Aggripine Yetchom-Fondjo

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Sedrick Junior Tsekane

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Babell Ngamaleu-Siewe

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Edith Laure Kenne

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Miric Biawa-Kagmegni

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Patrick Steve Tuekam-Kowa

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Abdel Kayoum Yomon

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Rossi Merlin Kentsop-Tsafong

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Armel Moise Dim-Mbianda

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon
Martin Kenne

Department of the Biology and Physiology of Animal Organisms, University of Douala, Douala, Cameroon

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Boris Fouelifack-Nintidem, Jeanne Aggripine Yetchom-Fondjo, Sedrick Junior Tsekane, Babell Ngamaleu-Siewe, Edith Laure Kenne, et al. (2021). Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon). American Journal of Entomology, 5(3), 70-91. https://doi.org/10.11648/j.aje.20210503.14

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ACS Style

Boris Fouelifack-Nintidem; Jeanne Aggripine Yetchom-Fondjo; Sedrick Junior Tsekane; Babell Ngamaleu-Siewe; Edith Laure Kenne, et al. Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon). Am. J. Entomol. 2021, 5(3), 70-91. doi: 10.11648/j.aje.20210503.14

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Boris Fouelifack-Nintidem, Jeanne Aggripine Yetchom-Fondjo, Sedrick Junior Tsekane, Babell Ngamaleu-Siewe, Edith Laure Kenne, et al. Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon). Am J Entomol. 2021;5(3):70-91. doi: 10.11648/j.aje.20210503.14

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@article{10.11648/j.aje.20210503.14,
  author = {Boris Fouelifack-Nintidem and Jeanne Aggripine Yetchom-Fondjo and Sedrick Junior Tsekane and Babell Ngamaleu-Siewe and Edith Laure Kenne and Miric Biawa-Kagmegni and Patrick Steve Tuekam-Kowa and Abdel Kayoum Yomon and Rossi Merlin Kentsop-Tsafong and Armel Moise Dim-Mbianda and Martin Kenne},
  title = {Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon)},
  journal = {American Journal of Entomology},
  volume = {5},
  number = {3},
  pages = {70-91},
  doi = {10.11648/j.aje.20210503.14},
  url = {https://doi.org/10.11648/j.aje.20210503.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aje.20210503.14},
  abstract = {Despite chemical treatments, all development stages of Solanum aethiopicum Linnaeus, 1756 plants are damaged in the field by insects in Balessing locality (West-Cameroon). During ecological surveys conducted from July to October 2020 in 11 plots presenting four development stages: seedlings (St1), fruit setting plants (St2), flowering phase plants (St3), and fruiting phase plants (St4). Insects active on stems, leaves, flowers and fruits, were captured, identified and the community structure was characterized. Abundance of each species and the part of the plant attacked were noted. Specimens were stored in vials containing 70° alcohol while immature insects were reared in the laboratory till the adult emergence. A total of 155 specimens collected in the field belonged to four orders, 13 families and 22 species. Lepidoptera and Hemiptera were most abundant (38.7% and 34.8% of the total collection respectively). Coleoptera and Orthoptera were least abundant (14.2% and 12.3% respectively). In the laboratory rearing, two Lepidoptera emerged from reared caterpillars: the Crambidae (Leucinodes orbonalis Guenee, 1854) and the Noctuidae [Helicoverpa armigera (Hübner, 1808)]. This gives a total of four orders, 14 families, 22 genera and 23 species associated with eggplant plants. In the field, plants were damaged by three borer species (13.0%) [Phrissotrichum grenieri (Desbrochers, 1875) (Coleoptera, Brentidae), Le. orbonalis (Lepidoptera, Crambidae) and H. armigera (Lepidoptera, Noctuidae)], by five phytophagous pest species (21.7%) [Lagria villosa (Fabricius, 1781) (Coleoptera, Tenebrionidae), Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae), Manduca sexta Linnaeus, 1763 (Lepidoptera, Sphingidae), Sphaerocoris annulus (Fabricius, 1775) (Hemiptera, Scutelleridae) and Taphronota ferruginea (Fabricius, 1781) (Orthoptera, Pyrgomorphidae)], three sap-feeding species (13.0%) [Dysdercus volkeri (Schmidt, 1932) (Hemiptera, Pyrrhocoridae), Edessa rufomarginata (De Geer, 1773) (Hemiptera, Pentatomidae) and Gonocerus acuteangularis (Goeze, 1778) (Hemiptera, Coreidae)] and 12 species of unknown pest-status. We recorded 11 pest species (47.8% of the total species richness) [six (26.1%) non-native and five (21.7%) native species]. Coleoptera presented a high number of species (34.8%) followed by Hemiptera (30.4%), Orthoptera (21.7%) and Lepidoptera (13.0%). Lepidoptera Crambidae (38.1%) was the most represented, followed by Hemiptera Pentatomidae (14.1%), Orthoptera Acrididae (10.2%), Hemiptera Coreidae and Hemiptera Pyrrhocoridae (7.7% respectively), Hemiptera Scutelleridae (5.2%), Coleoptera Tenebrionidae (5.1%), Coleoptera Chrysomelidae (4.5%), Orthoptera Pyrgomorphidae (3.9%) and Coleoptera Brentidae (1.3%). Three families (Carabidae, Sphingidae and Scarabeidae) were rare (<1% of the total collection). Chemicals were not efficient in Balessing, since entomofauna associated with eggplant plants remained diverse and consisted mostly of alien species. The situation calls for more research on the bio-ecology of the recorded pests with further goal of developing sustainable management strategies to reduce yield losses.},
 year = {2021}
}

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TY  - JOUR
T1  - Diversity and Abundance of Pest Insects Associated with Solanum aethiopicum Linnaeus, 1756 (Solanaceae) in Balessing (West-Cameroon)
AU  - Boris Fouelifack-Nintidem
AU  - Jeanne Aggripine Yetchom-Fondjo
AU  - Sedrick Junior Tsekane
AU  - Babell Ngamaleu-Siewe
AU  - Edith Laure Kenne
AU  - Miric Biawa-Kagmegni
AU  - Patrick Steve Tuekam-Kowa
AU  - Abdel Kayoum Yomon
AU  - Rossi Merlin Kentsop-Tsafong
AU  - Armel Moise Dim-Mbianda
AU  - Martin Kenne
Y1  - 2021/09/14
PY  - 2021
N1  - https://doi.org/10.11648/j.aje.20210503.14
DO  - 10.11648/j.aje.20210503.14
T2  - American Journal of Entomology
JF  - American Journal of Entomology
JO  - American Journal of Entomology
SP  - 70
EP  - 91
PB  - Science Publishing Group
SN  - 2640-0537
UR  - https://doi.org/10.11648/j.aje.20210503.14
AB  - Despite chemical treatments, all development stages of Solanum aethiopicum Linnaeus, 1756 plants are damaged in the field by insects in Balessing locality (West-Cameroon). During ecological surveys conducted from July to October 2020 in 11 plots presenting four development stages: seedlings (St1), fruit setting plants (St2), flowering phase plants (St3), and fruiting phase plants (St4). Insects active on stems, leaves, flowers and fruits, were captured, identified and the community structure was characterized. Abundance of each species and the part of the plant attacked were noted. Specimens were stored in vials containing 70° alcohol while immature insects were reared in the laboratory till the adult emergence. A total of 155 specimens collected in the field belonged to four orders, 13 families and 22 species. Lepidoptera and Hemiptera were most abundant (38.7% and 34.8% of the total collection respectively). Coleoptera and Orthoptera were least abundant (14.2% and 12.3% respectively). In the laboratory rearing, two Lepidoptera emerged from reared caterpillars: the Crambidae (Leucinodes orbonalis Guenee, 1854) and the Noctuidae [Helicoverpa armigera (Hübner, 1808)]. This gives a total of four orders, 14 families, 22 genera and 23 species associated with eggplant plants. In the field, plants were damaged by three borer species (13.0%) [Phrissotrichum grenieri (Desbrochers, 1875) (Coleoptera, Brentidae), Le. orbonalis (Lepidoptera, Crambidae) and H. armigera (Lepidoptera, Noctuidae)], by five phytophagous pest species (21.7%) [Lagria villosa (Fabricius, 1781) (Coleoptera, Tenebrionidae), Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae), Manduca sexta Linnaeus, 1763 (Lepidoptera, Sphingidae), Sphaerocoris annulus (Fabricius, 1775) (Hemiptera, Scutelleridae) and Taphronota ferruginea (Fabricius, 1781) (Orthoptera, Pyrgomorphidae)], three sap-feeding species (13.0%) [Dysdercus volkeri (Schmidt, 1932) (Hemiptera, Pyrrhocoridae), Edessa rufomarginata (De Geer, 1773) (Hemiptera, Pentatomidae) and Gonocerus acuteangularis (Goeze, 1778) (Hemiptera, Coreidae)] and 12 species of unknown pest-status. We recorded 11 pest species (47.8% of the total species richness) [six (26.1%) non-native and five (21.7%) native species]. Coleoptera presented a high number of species (34.8%) followed by Hemiptera (30.4%), Orthoptera (21.7%) and Lepidoptera (13.0%). Lepidoptera Crambidae (38.1%) was the most represented, followed by Hemiptera Pentatomidae (14.1%), Orthoptera Acrididae (10.2%), Hemiptera Coreidae and Hemiptera Pyrrhocoridae (7.7% respectively), Hemiptera Scutelleridae (5.2%), Coleoptera Tenebrionidae (5.1%), Coleoptera Chrysomelidae (4.5%), Orthoptera Pyrgomorphidae (3.9%) and Coleoptera Brentidae (1.3%). Three families (Carabidae, Sphingidae and Scarabeidae) were rare (<1% of the total collection). Chemicals were not efficient in Balessing, since entomofauna associated with eggplant plants remained diverse and consisted mostly of alien species. The situation calls for more research on the bio-ecology of the recorded pests with further goal of developing sustainable management strategies to reduce yield losses.
VL  - 5
IS  - 3
ER  -

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